Watts U800M4QT 1 - Part of the 800M4QT Series ADS It obtains optimum adhesion when

It obtains optimum adhesion when the intended surfaces to be bonded are warm or at least 45°F or more

it performs reliably in non-traffic areas such as kitchens

Contains O-Ring

it’s ideal for directing roof runoff into downspout systems while minimizing leaks and maintenance

Watts U800M4QT 1 - Part of the 800M4QT Series ADS It obtains optimum adhesion whenThis 1 inch anti siphon pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O ring seal, a lightweight plastic disc float, tee handle shutoff, and test cocks for winterization draining. It is