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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
including the PE2XR and PE4403SF series
The Reznor 221637 Gasket set is a critical OEM replacement part designed specifically for sealing the header and heat exchanger interfaces in high-efficiency gas-fired unit heaters
maintaining system efficiency and reducing static pressure
resisting the wear common in heavy-duty boiler rooms
Resideo SCV-050 Check Valve 323080-701 including the PE2XR and PE4403SFThe Resideo SCV 050 Check Valve is a heavy duty 1 2 inch service check valve engineered to provide reliable backflow prevention in hydronic heating and domestic water systems. Designed for the rigors of mechanical rooms, this valve features a 1 2" FNPT inlet and a male threaded outlet, making it a drop in solution for expansion tank loops and boiler feed lines. With a robust 100 PSI maximum operating pressure and a high temperature threshold of 240F,
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