This item is a 1/2" Slip x 1/2" Slip pvc coupler the inside diameter of the coupler is 3/4", This is a chart for the outside of your plumbing pipes so you can figure out what size parts to order. Note: The actual size a part is called is not the actual...

This part is a Gasket Heater Union Mo-Flo, 2" ID x 2-3/4" OD Cal Spa with a 2-5/8" Center to Center Small Lip.. The Lip is about 2-5/8" Center to Center but is really thin and tiny meaning the other style gasket with a thick 2-5/8" lip will not work....

This part is (1) Replacement Jet Back Diffuser for a 3 3/8" to 4" Waterway Poly Storm Jet...  Jet Part Type Diffuser Manufacturer Waterway Model Poly Storm Total Length 3-9/16" Color White Special...

Ozone Check Valve 1/4" Barb x 1/4" Barb Prozone Viton.. If this valve is bad you will get water in the Ozonator and possibly voltage in the water if your GFCI is not wired correctly or a breaker trip if it is wired correctly..

This is a plug used to plug off a 3/4" port on Waterway Smart Plumb Style Manifolds Only.. We offer many different plugs based on the brand of manifold.

This part is a 1 1/2" Slip X 1 1/2" Pump Union with Gasket or Oring that matches Union. See Pictures for measurements. The Union receives a 1 1/2" pipe or fitting on one side and then Screws to a 1 1/2" Wet...

This O-Ring is 5 1/8" Inside Diameter and 3/16" wide and is used in many applications for Wet Ends between the Face and Volute or under a Trap Lid brands include Hayward, PacFab, Pentair, Sta-Rite in these series Dura-Jet DJ Series Wet End Faces, Dynamo,...

This 5 7/8" O-Ring is used in many different applications such as filter housings with screw on housing bosides as well as some pool applications. The inside diameter is 5 7/8 and it is 3/16" wide.  This o-ring fits this Pressure filter...

This part is a 2 1/2" Pump Union Gasket Only for use with a 2 1/2" Pump Union that would measure about 3 5/8" Inside Threads. This gasket measures 3 1/4" O.D. x 2 3/8" I.D. and the lip is 2 7/8" center to center. This version is the 4th most...

Stainless Steel Worm Clamp5/16" hex head screw fits 7/16" to 1" OD Hoses

This part is a (1) 2" Slip X 2"Slip Coupler PVC Plumbing Fitting. The Coupler receives a 2" fitting which measures 2 3/8" OD on one side and then receives a 2" fitting which measures 2 3/8" OD on the other side. The inside diameter of...

This part is (1) 45 Degree 2" Street X 2"Slip PVC Plumbing Fitting. The Union glues into a 2" fitting on one side and then receives the fitting on the other side. It will Glue into any 2" fitting to make a tight plumbing application. The inside...