O-Rings & Gaskets
Stop leaks in your hot tub or spa with our comprehensive selection of o-rings and gaskets. From pump seal o-rings to jet body gaskets, our parts are manufactured from EPDM and silicone materials rated for hot, chemically treated spa water. We carry hundreds of sizes to fit nearly any spa application. We offer competitive international shipping rates to buyers worldwide.
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5" x 5" Flange Element Gasket for Spa Heater Housing
Therm Products
$10.99Square 5" x 5" Flange Element ComponentFeatures welded construction design, primarily compatible with plastic manifold systems including Brett Aqualine, Premier, Allstate, and Hot Water product lines. Equipped with dual 5/16" thermowells, integrated...$10.99 -
MSRP: $4.34$3.38 -
6 Inch ID Pump Trap Lid O-Ring, 1/4 Inch Cross Section - Hayward, Jandy, Pentair, Waterco Compatible
Hot Tub Parts or America
MSRP: $7.99$5.99Premium replacement seal measuring 6" Inside Diameter with 1/4" thick cross section for pool pump trap lids. Part Type O-RingO Reference Number O-13Inside Diameter 6"idCross Section ...MSRP: $7.99$5.99 -
Waterway 1" Waterfall Control Valve Gasket - Single Port On/Off Plunger Seal
HTPOFAmerica
MSRP: $5.99$3.99Waterway 1" Single Port On/Off Valve Plunger Gasket This genuine replacement gasket is specifically designed for installation on the bottom of the plunger assembly in Waterway 1" single port on/off waterfall control valves. This essential seal component...MSRP: $5.99$3.99 -
Aqua-Flo XP Flo-Master Wet End Face O-Ring - 6" ID x 1/8" Thick - 48 Frame Pump Seal
HTPOFAmerica
MSRP: $6.99$4.99Aqua-Flo XP Flo-Master 48 Frame Pump Face O-Ring - This precision seal fits the wet end face of Aqua-Flo XP 48 frame pumps equipped with 2-inch inlet and outlet ports (approximately 3 inches measured across the threaded connections). Measuring 6 inches...MSRP: $6.99$4.99 -
2 1/2" Therm Style Union Gasket for Hot Tub Heater & Pump - 3 1/4" OD x 2 3/4" ID
HTPOFAmerica
MSRP: $9.99$7.99This component is a 2 1/2" Therm Style Union Gasket Only designed for installation with 2 1/2" heater or pump unions in your spa system.When working with 2 1/2" heaters or pumps, please verify measurements carefully as Global offers two distinct sizes of...MSRP: $9.99$7.99 -
2" Spa Pump & Heater Union Gasket - Extra Thick 1/4" Flat Seal
Waterway Plastics
MSRP: $6.31$4.91This extra thick 1/4" flat seal gasket is specifically designed for 2" pump and heater unions in hot tubs and spas. Engineered with superior thickness for enhanced durability and leak prevention, this replacement gasket ensures a watertight connection...MSRP: $6.31$4.91 -
Cal Spa Mo-Flo Heater Union Gasket 2" ID x 3" ID with 2-5/8" Thin Lip
HTPOFAmerica
MSRP: $5.99$4.99This Mo-Flo heater union gasket is designed specifically for Cal Spa applications featuring a 2" inner diameter and 2-3/4" outer diameter. The distinguishing feature of this gasket is its 2-5/8" center to center small lip design. The lip profile is...MSRP: $5.99$4.99 -
5-1/8" ID O-Ring, 3/16" Cross Section for Sta-Rite Dura-Jet DJ, Hayward, Pentair Wet Ends
HTPOFAmerica
MSRP: $8.99$5.99Precision-engineered O-Ring designed for reliable sealing in pump wet end assemblies. Features 5 1/8" Inside Diameter and 3/16" cross section dimensions, providing dependable performance between volute and face plate connections or beneath trap lid...MSRP: $8.99$5.99 -
O-Ring O-330, 5-7/8" ID x 3/16" Cross Section for Filter Housings & Pressure Filters
HTPOFAmerica
MSRP: $6.99$4.99This versatile O-330 replacement o-ring measures 5-7/8" inside diameter with a 3/16" cross section, designed for versatile sealing applications across filter systems and pool equipment. Commonly used to seal screw-on filter housing bodies and top-load...MSRP: $6.99$4.99 -
2-1/2" Pump Union T Gasket - 3 5/8 Inside Thread Compatibility - 3 1/4" O.D. x 2 3/8" I.D.
HTPOFAmerica
MSRP: $9.99$7.99This 2 1/2" Pump Union Gasket Only creates a watertight seal between your pump and its 2 1/2" union fitting. Designed for unions measuring approximately 3 5/8" Inside Threads, this gasket features precise dimensions of 3 1/4" O.D. x 2 3/8" I.D. with a 2...MSRP: $9.99$7.99 -
1 1/2" Union Gasket for Heater or Pump - 1 7/8" Groove - 2 3/8" Diameter
HTPOFAmerica
MSRP: $7.99$4.99IMPORTANT: This gasket is NOT compatible with Coleman SALUSPA systems. Please refer to specific Saluspa gaskets for those models.This is a standard 1 1/2" union gasket designed for heater or pump connections. With an outer diameter of 2 3/8" and...MSRP: $7.99$4.99