common in most Nordyne-manufactured gas furnaces and electric air handlers

such as pressure switch stuck open

This part is compatible with various KMC series actuators where a 2-inch diameter active area is required for force transmission

making it a reliable choice for commercial heating

Contractors looking for OEM Aaon replacement parts will find this module integrates seamlessly into existing rooftop units (RTU) and air handling units (AHU) where high-capacity 30 Amp SCR Control is required

Lochinvar & A.O. Smith 100111064 Air Switch L99H008 common in most Nordyne-manufactured gasThe Lochinvar & A. O. Smith 100111064 Air Switch is a critical safety component designed for precise pressure sensing in high efficiency boilers and water heaters. Engineered with a 6. 0" WC to 5. 0" WC set point, this differential pressure switch ensures the combustion blower is moving sufficient air before allowing the ignition sequence to proceed. As a genuine OEM replacement part, it maintains the precise calibration required to prevent nuisance