Lennox 52M74 Rollout Switch it supports a maximum working

it supports a maximum working pressure of 10

75-inch form factor required for modern control panels

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

It meets multiple technical certifications

Always verify the model number on the unit’s data plate to ensure a match with the manufacturer's cross-reference

Lennox 52M74 Rollout Switch it supports a maximum workingThe 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