this unit is fully compatible with R404A

the piezo button is the primary suspect and should be tested for continuity or replaced

The 59436 specification encompasses both washable foam and aluminum mesh variants depending on the specific model year of the HVAC unit

Key Benefits: OEM Compatibility: Precision-fit for Heil

To ensure accurate differential pressure sensing

Heil Quaker ICP 1174409 TXV R-410A this unit is fully compatibleThe Heil Quaker ICP 1174409 TXV is a precision engineered thermal expansion valve designed for 2 ton R410A air conditioning systems. Engineered for high efficiency refrigerant metering, this hard shut off TXV features a 95 inch capillary tube, ensuring optimal superheat control and preventing liquid floodback to the compressor. As a genuine ICP OEM replacement part, it guarantees correct fitment and pressure ratings for Heil, Tempstar, Comfortmaker,