Hydrostatic Relief Valve With Collector Tube filter-internal-diameter_13 9/16 inches This is a Generic Filter

This is a Generic Filter Diaphragm Gasket G-178 replacement with dimensions for Hayward Perflex EC40 and EC50A Extended-Cycle DE Filters

Smith Residential Diving Board Mounting Kit (Pewter Gray) for residential boards sizes 6

The Nebraska Pool Rules Sign has been designed in accordance with the Nebraska Title 178 NAC 2 and is printed on 40 mil styrene

these types of valves are designed to allow excess pressure to escape

Hydrostatic Relief Valve With Collector Tube filter-internal-diameter_13 9/16 inches This is a Generic FilterThe AquaStar Hydrostatic Relief Valve is a self contained unit that helps prevent swimming pool damage due to hydrostatic pressure beneath the pool shell. This valve assembly has a built in collector tube and installs directly into the pool finish with no additional plumbing connection required. Made in the USA, this assembly is an easy solution for preventing hydrostatic pressure damage to your pool.