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Even slight deviations in bore size
Provides burner safety shutdown functionality
The MARS 92340 Relay is a heavy-duty DPDT 24V relay designed for demanding switching applications in residential and commercial HVAC units
This critical component is engineered to maintain precise water temperatures and prevent boiler overheating by interrupting power to the burner if the high-limit set point is exceeded
Carrier HH12ZB140 Limit Switch 319825-402 Even slight deviations in boreMaintain peak safety and performance in your rooftop or residential furnace systems with the Carrier HH12ZB140 Limit Switch. This genuine OEM HVAC replacement part is a factory authorized L140F 40 limit switch, specifically engineered for high limit protection in Carrier, Bryant, and Payne air handlers and package units. As an auto reset limit switch with a SPST (Single Pole Single Throw) configuration, it is designed to interrupt the heating circuit
