Lennox 33F37 Flame Sensor Els PW 17895 this Single Pole Double Throw

this Single Pole Double Throw relay provides reliable control over two separate circuits

the 71491071 is the official successor to the 70005904 series

How should the switch be oriented during installation

This valve is typically rated for a Maximum Working Pressure (MWP) of 406 psig (28 bar)

It is not intended for use with high-voltage direct spark ignition modules from other families unless specified by the manufacturer

Lennox 33F37 Flame Sensor Els PW 17895 this Single Pole Double ThrowThe Lennox 33F37 Flame Sensor is a critical OEM replacement part engineered to maintain the safety and operational sequence of residential gas furnaces. As an HVAC flame rectification probe, it generates a microamp signal to the furnace control board upon detecting heat, ensuring the gas valve remains open only when a pilot or burner flame is present. This high integrity sensor is functionally identical to part 33F3701 and serves as a direct