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and R134a compatible
it keeps the fan running to cool the heat exchanger while blocking the gas valve for safety
OEM Compatibility: Specifically designed to fit Honeywell TP970 and TP971 pneumatic thermostats commonly found in legacy HVAC systems
designed to monitor pressure differentials within the combustion chamber
For safety and performance
International Environmental 70006008 Limit Switch and R134a compatibleEnsure critical equipment protection with the International Environmental 70006008 High Limit Switch, a precise furnace safety sensor engineered for integrated HVACR systems. This OEM replacement part is configured as a normally closed (NC) auto reset limit switch, designed to disconnect the heating circuit when the supply plenum or heat exchanger exceeds safe operating thresholds. Featuring a calibrated temperature range of L130 L200F, this switch