Utica-Dunkirk 550002740 Gas Valve

The Utica-Dunkirk 550002740 Gas Valve is a critical OEM replacement component engineered for high-demand heating applications. Operating on 24VAC coil voltage, this direct-acting valve is factory-configured for Liquid Propane (LP) systems with a fixed 10" WC pressure setting. As an essential part of the MGC series gas-fired hot water boilers, it guarantees precise fuel regulation and reliable burner sequencing. The unit features standard 3/4" x 1/2" NPT connections, providing a versatile footprint for field installations. Designed for low-pressure LP gas, this valve ensures optimal gas flow control and maintains system integrity by accurately responding to signals from the electronic control module. This OEM gas valve is a drop-in solution for Utica and Dunkirk boiler maintenance, minimizing downtime for professional contractors and ensuring the heating system performance meets manufacturer specifications without the need for additional conversion kits.

• Precise Pressure Regulation: Fixed at 10 inches Water Column (WC) for consistent LP gas delivery to the burner manifold.
• Optimized Compatibility: Genuine OEM part specifically designed for Utica-Dunkirk MGC boilers and related propane-fired units.
• Durable Solenoid Construction: The 24V coil is built to withstand high-cycling environments common in residential and light commercial heating.
• Versatile Connection Sizes: Standard 3/4" x 1/2" ports facilitate standard piping without requiring extra adapters.

Is a conversion kit required for this valve?
No, the 550002740 gas valve is factory-set for Liquid Propane (LP) at 10" WC. If you are servicing a Natural Gas system, a different part number is required.

What boiler models use the Utica-Dunkirk 550002740?
This valve is most commonly used in MGC-8D, MGC-8DP, MGC-9D, and MGC-9DP series gas-fired hot water boilers. Always verify the part number on the appliance data plate.

Why is my furnace or boiler not igniting with this valve?
If the 24VAC signal is present at the coil but the valve fails to open, it typically indicates a mechanical failure within the internal operator or a blockage in the pilot tube connection.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.