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The standard Trerice 3-4F2 is designed for industrial HVAC systems
and HS26-042-03 series units
ensuring that the pressure switch closes reliably to prevent lockout codes
Engineered for seamless integration into Energy Management Systems
Lochinvar & A.O. Smith 100109825 Thermostat 322057-301 The standard Trerice 3-4F2 isThe Lochinvar & A. O. Smith 100109825 Thermostat is a critical OEM replacement part designed for high performance residential water heaters and select commercial boiler applications. Engineered for precision thermal regulation, this Lower Residential TOD (Therm O Disc) thermostat ensures accurate temperature sensing and high limit protection within the gas train assembly or electric heating circuit. As a veteran grade HVAC replacement control, it
