Watts 800M4QT-SH 1 1/2 - Part of the 800M4QT Series silt-fence-selector This trap primer features a

This trap primer features a lead free brass body with EDPM seals

40 wire mesh liner

Non-mechanical seat-to-disc alignment will not stick or freeze

It features a white

dual weepholes (primary and secondary) for enhanced perimeter‐seepage protection

Watts 800M4QT-SH 1 1/2 - Part of the 800M4QT Series silt-fence-selector This trap primer features aThis 1 1 2 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, lever handle shutoff, and test cocks for winterization draining.