Technicians should use a manometer to measure the actual vacuum at the switch port

Extended Reach: 48-inch length provides flexibility for remote installations and complex internal routing

it provides efficient low-power consumption while managing substantial inductive and resistive loads

Rugged Electrical Specs: Rated for 5

Lennox 52M74 Rollout Switch Technicians should use a manometerThe 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