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The Watts 0856764 model is a 1 inch Sweat 2-Way Universal Flow Check Valve, ideal for commercial and residential hydronic heating systems. It ensures positive shutoff when the circulator is inactive, preventing water flow to radiation units and supporting gravity circulation.
Constructed from robust iron with a bronze seat and brass center guide, this valve is designed for longevity and reliability. The design allows for easy integration into existing heating systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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