PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
With the Fujitsu FJ-IR-WIFI-1NA Wi-Fi adapter, you will be able to control your Halycon mini split systems from the palm of your hand. It allows you to customize your indoor units to more efficient control of your heating and cooling needs.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
The Mitsubishi PAR-40MAAU wired remote control replaces PAR-33MAA-J. It is designed to control your CITY MULTI, M-Series and P-Series mini split systems. The Deluxe MA wired remote control comes with a large back lit screen, easy to use menus and also has multi language display and weekly timer functions are available.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
The UTY-TFNXZ2 is a Fujitsu WIFI Interface Module that provide remote cloud control and monitoring of the mini-split system using a smartphone or tablet through the free FGLair App.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
PAC-US445CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 and CNH02 connector. Any system that can be controlled by the MHK1/MHK2 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
Airzone AZAI6WSCMEL Wi-Fi interface adapter allows for remote wireless control of Mitsubishi Electric indoor units through a phone or tablet via the Airzone Aidoo cloud app. The adapter is externally powered with the Airzone Aidoo cloud app being available for iOS and Android devices.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
The Aidoo Fujitsu adapter is a Wi-Fi interface that allows for indoor units to be managed and integrated remotely from the cloud through the Airzone Aidoo app and features a port for intergration via the Modbus protocol. The app allows for online control of single or several indoor units provided each unit has an adapter and is externally powered by the indoor unit while also offering a dual Wi-Fi connection.
Wired Remote Controller used to provide control and additional functionality for Fujitsu Mini Split Indoor Units. The remote may operate a single compatible wall mounted unit, or it may be daisy-chained to multiple compatible compact ceiling cassette or concealed duct units to provide identical settings for multiple zones.
Fujitsu UTY-RSNUM Simple Wired Remote Controller is used in cooling and heating applications of zones that frequently change. Compatible with most wall mounted, ducted, small cassette, and floor-mounted models. A number of indoor units can be operated at the same time using a single remote controller as well as when connected for dual remote controllers(Option is not available for wall-mounted type indoor unit.)
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
PAC-US444CN-1 thermostat interface enables the use of a third-party thermostat to control your Mitsubishi Electric indoor units. It provides 3 input terminals to control fan Speed: Auto, Medium, High, and custom auto. The Thermostat Interface allows HVAC thermostats and input/output controllers to control either residential or commercial indoor units through its CN105 connector. Any system that can be controlled by the MHK1 controller model, can now be controlled by a third-party HVAC thermostat or input/output controller.
Mitsubishi Electric PAC-USWHS002-WF-2 Wireless Interface
Mitsubishi Wireless Interface 2 is the latest Kumo cloud Adapter that gives you complete control of your Mitsubishi mini-split systems. This WiFi interface adapter facilitates programming and operation of your mini-split system through a wireless or local network.
The controller provides straightforward control over your unit's operation mode, desired temperature, fan speed, and airflow direction. A single MA controller can control up to 16 separate Mitsubishi mini split indoor units, making it easy to manage multiple zones with similar temperature requirements.