🔥 Elevate Your Heating Game with Watts!
The Watts Automatic Fill Valve B911S-M3 is designed for hydronic heating systems, providing a combination of feed water pressure regulation and backflow prevention. Its all-bronze construction ensures durability, while the 1/2 inch union solder inlet and NPT threaded outlet make installation a breeze. Enjoy quick system filling and purging for optimal performance.
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