For balanced port applications such as the TJR series

but ensure that your actuator and valve seals are also rated for the specific thermal demands of your system

The KVL 22 effectively limits suction pressure to a set maximum value

this control is compatible with modern refrigerants

leading to high system pressure and potential compressor failure

Carrier HH84AA017 Circuit Board 30067439-890 For balanced port applications suchThe Carrier HH84AA017 Integrated Furnace Control Board is a critical replacement component designed for single stage heating and cooling systems. This OEM control board manages essential functions including gas valve sequencing, spark ignition, and blower motor timing. Engineered for specific Carrier, Bryant, and Payne induced combustion furnaces, the HH84AA017 ensures precise intermittent pilot ignition and safety monitoring. As a veteran technician