Watts 757N-OSY 4 - Part of the 757 Series Window Well Extension This pressure relief valve has

This pressure relief valve has a 1 1/4 inch NPTF female inlet and outlet and a 35 psi pressure relief setpoint

NPT threaded union inlet and NPT female outlet

All of Access Tile's tactile paving mats are fully ADA Standard compliant with more than 30 years of engineering and in-field use

SITEDRAIN Sheet 96 is an economical solution for single-sided subsurface drainage applications requiring moderate strength

Watts 757N-OSY 4 - Part of the 757 Series Window Well Extension This pressure relief valve hasThis 4 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non potable quality from being pumped or siphoned into the potable contaminated water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and contaminated water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from other