Utica-Dunkirk FE3980C070 Pressure Switch 320788-704 replacing it with a new

replacing it with a new 12988-002 can help stabilize the flame pattern and correct ignition issues caused by improper air-fuel mixing

allowing for local adjustments without reconfiguring the global BMS logic

The Reznor 103034 orifice features a machine-precise aperture designed for natural gas applications

This specific model features a cast iron body intended for standard water or glycol systems

Maintain critical head pressure and prevent evaporator freeze-up with the Trane AY28X079 Low Temp Cooling Kit

Utica-Dunkirk FE3980C070 Pressure Switch 320788-704 replacing it with a newThe Utica Dunkirk FE3980C070 Pressure Switch is an essential OEM safety component designed for high performance hydronic systems, including the CCB150 and CHB series boilers. As a veteran grade boiler water pressure switch, this part is engineered to monitor system pressure and prevent the burner from firing under unsafe low water or low pressure conditions. Built with ECR International sensors and featuring a 1 2" NPT connection, it ensures a secure,