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How should the switch be oriented during installation
this Single Pole Double Throw relay provides reliable control over two separate circuits
The plated brass trim and 15% graphite-filled PTFE seats provide a tight shutoff with an ANSI Class IV leakage rating
The pre-wired design and color-coded leads reduce field installation time
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 How should the switch beThe 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
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