This unit supports remote or local flame sensing and is compatible with natural

and UBZ models in the 200

What transducer is required for this control

cycle the 24V power to see if the microprocessor resets to a normal operating state

using an exact-match Lennox 20J9001 replacement is non-negotiable for maintaining the manufacturer's specified combustion timing

Fenwal 35-665535-113 Control R-410A This unit supports remote orThe Fenwal 35 665535 113 Control is a microprocessor based hot surface ignition (HSI) module engineered to handle automated sequencing and flame monitoring in 24 VAC gas fired heating systems. This Fenwal replacement ignition board features an integrated combustion blower relay with a 60 second post purge and a 15 second pre purge, optimizing airflow before and after the heating cycle. Designed for high reliability start ups, the igniter control