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Combination Boiler Trim-Out Packages



Series ET-ASF Combination Boiler Trim-Out Packages are for use on commercial and residential closed loop hydronic heating systems. It includes an ET expansion tank an AS air separator, and an FV4-M1 float vent valve. The package is provides an economical solution for buying boiler components.

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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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Click here for informative resources to help you protect against these dangers.

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