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

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

ensuring the unit operates within its optimized cooling or heating parameters

Technicians can rely on this OEM York part for exact dimensional matching during service calls

What transducer is required for this control

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