the spring return pushes the valve shut if the pneumatic signal is lost

Thermal Resistance: Specifically rated for the high-intensity heat generated during gas-fired combustion cycles

this thermostatic expansion valve regulates flow based on evaporator load

This normally closed solenoid valve features a 1/2" ODF sweat connection and a 9/32" port size

Utica-Dunkirk 109007718AC Control Box 318423-701 the spring return pushes theMaintaining the structural integrity of your boilers electrical housing is critical for long term reliability. The Utica Dunkirk 109007718AC Control Box (PNL CVR CTRL BOX PWXL BLU) is an OEM replacement part designed specifically for ECR International hydronic systems. This powder coated blue control box cover provides a robust protective barrier for sensitive internal components, including the integrated boiler control board and wiring harnesses,