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ensuring the control board receives the necessary signal to proceed with the ignition sequence
it supports a maximum working pressure of 10
Optimized Millivolt Output: Delivers a stable 20-28 mV range
providing reliable switching for electric heat banks and blower motors
Lennox 52M74 Rollout Switch ensuring the control board receivesThe Lennox 52M74 Rollout Switch is a critical safety component designed for precise over temperature protection in Lennox furnace units and residential HVAC systems. As a Single Pole Single Throw (SPST) switch, this manual reset flame rollout switch is engineered to interrupt the ignition circuit when it detects temperatures reaching the 320 degrees F threshold. This prevents hazardous conditions resulting from heat exchanger failure or flue
US$ 179.50
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US$ 1100.00