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this thermocouple is designed to operate with both Natural Gas and Liquid Propane standing pilot systems
ensuring reliable millivolt output for automatic pilot controls
Using a longer lead does not significantly impact the millivolt signal
it also provides a primary seal for 3 and 33 series liquid drainers and air vents
Rheem-Ruud 42-19736-02 RELAY this thermocouple is designed toThe Rheem Ruud 42 19736 02 is a high performance 24V SPDT Relay engineered for precise switching in residential and light commercial HVAC systems. Designed as a genuine OEM repair part, this Single Pole Double Throw relay provides reliable control over two separate circuits, making it an essential component for furnace control boards, fan logic, and air conditioning sequencing. With a robust 24VAC coil and a contact rating typically capable of