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the bimetal disc triggers a circuit break to prevent heat exchanger fracturing or component damage
The manual reset feature is essential for diagnostic purposes
The Nordyne 626350R Roll-Out Switch is a critical SPST safety component designed for gas furnace flame rollout protection
providing essential proof of airflow before allowing the ignition sequence to proceed
Lennox 34M76 Pressure Switch the bimetal disc triggers aThe Lennox 34M76 Pressure Switch is a critical safety component designed for high efficiency condensing gas furnaces. Engineered with an actuation set point of . 86" WC (Water Column) and a reset point of 1. 01" WC, this Single Pole Single Throw (SPST) switch ensures the inducer motor establishes a proper vacuum before the ignition sequence begins. Designed for a 1 4" barb connection, it provides a reliable pneumatic seal to prevent the furnace from