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It can be used in vertical and horizontal applications
or by knocking out the center it can be used as an end outlet to connect the channel to 4 in
Frost proof design
No-hub (standard) outlet connection with optional push-on
Compatibility: For use with ThermalMAX Series Roof Hatches
Watts 9DM2 (W/PRESS) 3/4 - Part of the 9D Series ZA100F-8NH It can be used inThis 3 4 inch dual check valve backflow preventer with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve is designed for continuous pressure non health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. It consists of a bronze body with stainless steel internal