Lennox 52M74 Rollout Switch 75-inch form factor required for

75-inch form factor required for modern control panels

it supports a maximum working pressure of 10

ensuring the control board receives the necessary signal to proceed with the ignition sequence

Which water feeder models use this valve bracket gasket

Optimized Millivolt Output: Delivers a stable 20-28 mV range

Lennox 52M74 Rollout Switch 75-inch form factor required forThe 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