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Water Safety & Flow Control



Boiler Trim-Out Packages with Flow Check



Series HPP Boiler Trim-Out Packages with Flow Check are for use on commercial and residential closed loop hydronic heating systems. Packages include an air separator, a 1/8 in. (3mm) and 1/2 in. (15mm) service check valve, combination fill valve and backflow preventers, flow check and ET series expansion tank.

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Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

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