Pay in 4 interest-free payments of $25.62 Learn more
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
By installing a genuine Marley 490062001
Maintains consistent 24Vac output to ensure optimal performance of sensitive 24V thermostats and building automation sensors
Can this relay be used for proof-of-flow on VFDs
This genuine OEM replacement part is engineered to monitor water temperatures within the heat exchanger
Common Questions & Troubleshooting Why is my furnace flashing a 'limit switch open' code
Fenwal 35-605601-203 Control R-410A By installing a genuine MarleyThe Fenwal 35 605601 203 is a professional grade 24V direct spark ignition (DSI) control module engineered for high performance gas fired heating systems. This microprocessor based HVAC ignition control provides precise timing sequences, featuring a 30 second pre purge to clear the combustion chamber and a 7 second trial for ignition (TFI) to ensure reliable burner start up. Designed with a durable Noryl gray fire retardant enclosure, this DSI module