SKU: 56790471818
Pay in 4 interest-free payments of $27.34 Learn more
Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
If your furnace ignites but shuts off within seconds
For 208V or 240V applications
making it compatible with all standard nitrogen
allows for seamless integration into standard heater tappings while ensuring the sensing element is positioned accurately within the top 6 inches of the tank
The switch is factory-calibrated to cut out at 155 degrees F and features an automatic reset that restores the circuit once temperatures drop to 125 degrees F
Fenwal 35-665721-101 Control R-410A If your furnace ignites butThe Fenwal 35 665721 101 is a microprocessor based 24V Hot Surface Ignition (HSI) control designed for precise burner sequencing in gas fired equipment. This MiniIgnition control features a 4 second Trial for Ignition (TFI) and a 15 second pre purge cycle to exhaust residual gases from the combustion chamber, ensuring a safe start up. Built with a single trial ignition logic (1TRY), the 35 665721 101 provides reliable flame monitoring and utilizes