Watts 800M4-FR 1 1/4 - Part of the 800M4FR Series Tactile Paving The relief valve outlet includes

The relief valve outlet includes a drain tube connection with a barB fitting

Robust Wet-Area Construction: Built from materials that resist corrosion

The waterproof sheet ships in a 100’ roll allowing for a long seamless barrier to be installed

The fibers are needeled and form a durable and stable network that allows the fibers to keep their relative position

The 6 mil thickness makes it ideal for applications such as industrial containment and construction barriers

Watts 800M4-FR 1 1/4 - Part of the 800M4FR Series Tactile Paving The relief valve outlet includesThis 1 1 4 inch freeze resistant 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, a built in relief valve to protect the internal components