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Backflow Prevention


800MQT, 800MCQT

Compact Pressure Vacuum Breakers



1/2 and 3/4 in. (15 and 20mm)


Series 800MQT, 800MCQT Compact Pressure Vacuum Breakers are designed to prevent backsiphonage of contaminated water into the potable water supply. They are ideally suited for use in continuous pressure piping system applications when the water enters the equipment at or below its flood rim. Model 800MQT features a bronze body and Model 800MCQT features a bronze body with chrome finish. Maximum Pressure: 150psi (10.34 bar). Minimum Pressure: 15psi (103 kPa).

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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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