this valve is a critical safety component for maintaining ASME Section IV compliance in commercial and residential hydronic systems

providing flexibility for larger heating zones

81 inches in depth

Also referenced under part numbers 54G4401 and C7400A1038

High Electrical Capacity: Rated for up to 30A resistive loads

York S1-329-20425-001 Carryover Tube Refrigerant this valve is a criticalThe York S1 329 20425 001 Carryover Tube is a critical OEM replacement part designed for precision gas furnace ignition sequences. Engineered with a dedicated bleed hole, this component ensures reliable burner flame transfer across the manifold, preventing delayed ignition or "hard" starts that can compromise heat exchanger integrity. Its 1 2 inch metal construction is built to withstand the high thermal environments adjacent to the burner assembly,