Using a genuine Daikin-McQuay fan blade ensures the assembly operates within specific RPM tolerances

you should never step down

This intermittent pilot ignition assembly is designed for field service durability

the BQC-AA provides reliable superheat control in light air conditioning and commercial refrigeration systems

this replacement heat exchanger restores factory-rated AFUE efficiency and prevents dangerous CO leakage into the building envelope

Lennox 80K12 Control R-410A Using a genuine Daikin-McQuay fanThe Lennox 80K12 (OEM 35 605903 223) is a high performance direct spark ignition control module engineered for precise furnace repair and system reliability. This microprocessor based control regulates the combustion sequence, offering a 30 second pre purge and a 30 second inter purge to ensure safe startup. Operating on a 24 VAC input, the module manages the gas valve and spark multi trial sequences with a 7 second trial for ignition. Designed as a