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Smith 100112658 Pressure Switch is a critical safety and operational component designed for high-efficiency water heaters and boiler systems
Common Questions: What are the symptoms of a failing potentiometer
Normally Closed Logic: Maintains system continuity until a high-pressure event occurs
Versatile Refrigerant Compatibility: Designed for use with R-404A
Resideo TH1110U4000 Thermostat 319847-401 Smith 100112658 Pressure Switch isThe Resideo TH1110U4000 FocusPRO Thermostat is a high performance non programmable digital thermostat designed for 1H 1C conventional systems and single stage heat pumps without auxiliary heat. Built on the UWP mounting system, this unit streamlines installation and serves as a direct cross reference for older models including the TH1100DH1004, TH3110U2008, and TH1110E1000. It operates on 24 VAC and supports a variety of fuel sources, including gas,