It is specifically designed for technical compatibility with Series 53

providing a reliable connection for 1-stage electric heat panel control voltage to the fan coil master harness

engineered for exact fitment within the burner assembly

comes with a pre-installed breaker

reducing wear on the compressor and lowering energy consumption

Utica-Dunkirk 550001908 Gasket Kit 321702-401 It is specifically designed forThe Utica Dunkirk 550001908 Gasket Kit is a critical OEM replacement part designed for sealing industrial heating coils and ensuring the pressure boundary integrity of ECR International hydronic systems. This professional grade kit includes a high temp resilient coil gasket and a comprehensive hardware kit featuring stainless steel studs and top lock nuts to prevent vibration loosening and thermal bypass. As a veteran preferred boiler maintenance kit,