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the 61-101684-92 is a "valve only" assembly
contractors ensure leak-proof seals and system integrity
An auto-reset switch closes the circuit once it cools down
Simplified Installation: Standard terminal designations allow for fast field replacement
MARS 39026 Limit Switch 321142-301 the 61-101684-92 is a "valveThe MARS 39026 Limit Switch is a high performance L220 4 HVAC temperature control designed for precise thermal management in furnace and air handling systems. As an Open on Rise limit switch, this component is engineered to automatically interrupt the circuit when the temperature reaches the 220F (104C) cut out setpoint, ensuring system safety and preventing heat exchanger damage. Once the temperature drops to the 180F cut in threshold, the switch