Resideo NK300S-100UP Boiler Feed 326010-701 whether you are performing a

whether you are performing a repair or a high-altitude conversion

Common Questions What is the exact shaft size for this bearing

Smaller valve sizes require different recondition kit part numbers

and an automatic pilot safety magnet to ensure positive shut-off in the event of pilot outage

including standard packaged rooftop units and heat pump systems

Resideo NK300S-100UP Boiler Feed 326010-701 whether you are performing aThe Resideo NK300S 100UP Boiler Feed Combination Valve is a comprehensive solution for managing closed loop hydronic heating systems. This high performance assembly integrates a pressure reducing valve, a double check backflow preventer with an atmospheric vent, and a 200 micron stainless steel strainer into a single, compact brass body. Engineered for professional contractors, the NK300S 100UP features 1 2 inch union press fittings to accelerate