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this differential pressure switch ensures the draft inducer motor maintains proper vacuum levels
This LP gas pressure kit acts as a primary safety mechanism
Precise Control: Maintains a steady dead-end lockup and precise pressure regulation for modern high-efficiency HVAC equipment
It is commonly found in Lennox CHA16
Durable Construction: Built to withstand high-temperature combustion environments for long-term service life
Trane SWT3968 Rollout Switch 319852-301 this differential pressure switch ensuresThe Trane SWT3968 Rollout Switch is a critical safety component engineered for gas fired furnaces and HVAC systems. As a genuine OEM replacement part, this manual reset flame rollout switch is calibrated to open the electrical circuit when internal temperatures at the burner box exceed the fixed threshold of 190F (L190F). Designed with an enclosed stainless steel disc and high grade unplated brass terminals, this SPST (Single Pole Single Throw)