Rain Bird P2A Water Pressure Test Gauge, 3/4" Female Hose Thread, 0-200 PSI. Easy-to-read gauge supplies water pressure readings from 0-200 PSI. The 3/4” female hose thread adapter quickly attaches to outside faucet or hose. Accurate measurements are critical to an effective irrigation system design...

This filter head O-Ring replacement is designed to use with Hayward Star-Clear Plus cartridge filter series and separation tank. Weighs 5.5 pounds.

The Hayward seven-position valve features an easy-to-use lever action handle that lets you dial up to seven filter functions: filter, backwash, waste, rinse, closed, winter or recirculate. Complete with an integral sight glass that lets you see when the backwashing cycle is completed. Automatic self...

This side mount gauge fits most D.E. filter, sand and cartridge filters on all major brands including Hayward, Pentair, Jandy, Zodiac, Waterway

This boxed pressure gauge is designed to use with Micro-Clear vertical grid, Perflex extended-cycle D.E. filter and Sand filter models EC30, EC40, EC40AC, I_PFPPTS, S160T, S200, S240, S245T, S190T and also compatible with Hayward Pro Series sand filter models S210S, S244S, S310S, S140T, S144T, S180T...

Hayward Jacks multilube is an unique lubricant and protecting agent for equipment exposed to water. Designed to eliminate rust, corrosion and reduces 80-percent wear. It used on all metal parts or gaskets exposed to water, salt, pool chemicals or constant water pressure. Comes in 1-ounce tube.

Hayward 1.5" Vari-Flo Valve SP0714T Series Cover O-Ring SPX0714L O-336

This metal reinforced filter seal replacement is designed to use with Hayward Pro Grid vertical D E filter models DE2420, DE3620, DE4820, DE6020, DE7220 and also compatible with Hayward Swim Clear cartridge filter C2020, C3020, C4020, C5020. Weight 2.0-pound.

This valve o-ring is designed to use with Hayward Pro series sand filter model S144T and also compatible with Hayward multiport valve model GM400. Weight 6 pounds.

Be aware all of the reviews from 2015 and earlier were based on products that Professor Foam did NOT sell!Professor Foam started selling his EPDM Chemical resistant o rings in 2016! The previous seller was sending a Buna-N o rings wihch will last 2 - 3 weeks. This is NOT what Professor Foam is selli...