Watts 800M4-QT-FZ 1 - Part of the 800M4QT Series ZA100F-6NH The 10 mil thickness

The 10 mil thickness

Removable cover provides surface maintenance access

it manages water removal while complementing finished flooring in professional environments

This air gap is designed for 1 1/4 to 2 inch reduced pressure zone assembly

Provides reliable access for inspection and maintenance

Watts 800M4-QT-FZ 1 - Part of the 800M4QT Series ZA100F-6NH The 10 mil thicknessThis 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 shutoffs, and test cocks for winterization draining. It is