GDW 2" Hot Tub Pump Union Gasket for Gecko Spa Heater Seals 711-4030B (2 pcs)

• Spa Hot Tub Pump Heater Union Gasket/O-Ring - 2.2'' ID 3'' OD'' Flat Gasket Works on Variety of Spas , This gasket goes on unions between the union and pump wet end fittings and heaters and union fittings
• 2" Heater Gasket designed to fit all standard 2" Spa heater assemblies
• 2" Spa Hot Tub Heater Gasket For 2" Plumbing ( Actual Measurement Across Gasket is 3" )
• Spa Hot Tub Pump Heater Union Gasket/O-Ring for Hydro Quip, Aeware Oring Balboa Gecko O-Ring 711-4030B United and most other Flow Thu Assemblies
• Easy to install: Use your choice of silicone on one or both sides to help hold the spa gasket in place when assembling the live joint, which will also make for easier disassembly in the future

You will get (2) 2" pump and/or heater fitting gaskets. The pump and/or heater fitting has a 2" washer with a lip. The lip is usually 2 1/2" and is installed in the 2 1/2" recess of the fitting. The washer has an outside diameter of 2 7/8" and an inside hole of 2 3/16". The washer is located on the movable fitting between the movable fitting and the pump wet end fitting and between the heater and the movable fitting. Note: Some washers have a smaller outside diameter but have a 2 1/2" rib and this washer can be used for this application. There are also movable joints that require a flat washer or o-ring, but this washer is suitable for most 2" applications, which is the most popular!