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For proper operation and to meet most local codes
Engineered for Armstrong and Air Ease furnaces
this unit provides the necessary DC voltage to operate millivolt gas valves and relays without an external power source
Common Questions What are the specific temperature settings for the Williams P200400
Heavy-duty lead wires and insulation designed for the high-vibration environment of HVAC condensers
York S1-025-29093-002 Limit Switch Els PW 17895 For proper operation and toThe York S1 025 29093 002 Limit Switch is a critical safety component designed for high limit temperature monitoring in residential and commercial forced air furnaces. Engineered for precise thermal regulation, this 120 150F AUTO Limit Switch features a fixed set point that opens the circuit when temperatures exceed 150F and automatically resets once the exchanger cools to 120F. As an OEM York furnace replacement part, it ensures direct compatibility