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Replacement for Discontinued HVAC Products

Discontinued or End-of-Life (EOL) products refer to systems, components, or models that are no longer manufactured or supported by the manufacturer. This typically means:

  • No New Production: The product is no longer being produced or sold by the manufacturer.
  • Limited Support: Replacement parts, servicing, and technical support become increasingly difficult to obtain.
  • Upgrades/Alternatives: Customers are encouraged to upgrade to newer models with improved efficiency, technology, or regulatory compliance.
  • Regulatory Changes: Products may be discontinued due to changes in environmental regulations or energy efficiency standards.
See below recommended replacements for various discontinued HVAC products. Please contact an Rfwel HVAC Controls expert if you cannot find what you are looking for.


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Discontinued Item Replacement Item
Mitsubishi Electric E12527426 Contact us for replacement
Mitsubishi Electric E12749426 Contact us for replacement
Mitsubishi Electric E12915426 E22915426
Mitsubishi Electric E12A58426 Contact us for replacement
Mitsubishi Electric E12A49426 Contact us for replacement
Mitsubishi Electric E12A53426 Contact us for replacement
Mitsubishi Electric E12D68426 Contact us for replacement
Mitsubishi Electric E12N94426 Contact us for replacement
Carrier KSACN0401AAA Contact us for replacement
Carrier KSACN0501AAA KSACN0701AAA
Mitsubishi Electric M21EC0397 M21ECW397
Mitsubishi Electric M21N28083 Contact us for replacement
Mitsubishi Electric MAC-333IF-E MAC-334IF-E
Mitsubishi Electric MAC-399IF-E MAC-334IF-E
Mitsubishi Electric MHK1 MHK2
Mitsubishi Electric MIFH1 MHK2
Samsung MIM-A00A Contact us for replacement
Samsung MIM-H04EN MIM-H04UN
Samsung MIM-H04UN MIM-H05UN
Mitsubishi Electric MRC1 Contact us for replacement