Unions, Heater
Hot tub heater unions provide the critical connection between your heater assembly and spa plumbing. Our selection includes unions in various sizes to fit most heater configurations. A good union seal prevents leaks and makes future heater servicing quick and straightforward. We offer competitive international shipping rates to buyers worldwide.
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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 -
Union O-Ring 2-3/8" ID x 1/8" Width, 2 1/2" Center to Center for Heater & Pump
HTPOFAmerica
MSRP: $6.99$4.99Premium replacement union O-Ring designed for 2" heater tailpiece unions and pump unions in spa, pool, and hot tub systems. This versatile seal features precise dimensions: 2 3/8" inside diameter, 1/8" cross-section width, and 2 1/2" center to center...MSRP: $6.99$4.99 -
1-1/2" Flat Union Gasket for Spa Heater & Pump - 2-5/16" OD, 1-7/16" ID
HTPOFAmerica
MSRP: $4.51$3.51Premium flat gasket engineered for 1-1/2" union connections on spa pumps and heaters. Features 2-5/16" outer diameter and 1-7/16" inner diameter for precise fitment. This versatile gasket works alongside o-rings when additional sealing is required to...MSRP: $4.51$3.51 -
2" Union Flat Gasket - Pump & Heater - 2-15/16" OD x 2-1/8" ID - No Lip
HTPOFAmerica
MSRP: $7.99$5.99This versatile flat gasket works with 2" unions for pumps and heaters, featuring a no-lip design with 2-15/16" OD and 2-1/8" ID dimensions. Ideal for multiple spa and pool applications, this seal component can be paired with an o-ring when additional...MSRP: $7.99$5.99 -
2" Spa Heater Pump Union Gasket 2 1/2" Lip - Balboa Gecko Compatible
HTPOFAmerica
MSRP: $7.99$4.99This is a standard 2" heater or pump union seal featuring a 2 1/2" lip measurement center to center. External diameter measures 2 7/8" while the internal diameter is approximately 2 3/16". The raised ridge that inserts into the union measures 2 1/2"...MSRP: $7.99$4.99 -
Heater Union Tailpiece 2 1/2" mbt x 1" barb 90° with Pressure Tap & Gasket for Saratoga Retrofit
HTPOFAmerica
MSRP: $38.99$24.99Customized heater union tailpiece assembly featuring an integrated pressure switch tap, specifically designed for Saratoga retrofit heater installations. This 90 degree angled fitting accommodates heater tubes with approximately 3" internal diameter...MSRP: $38.99$24.99 -
2 1/2" Heater Flange Split Nut with Gasket - 3 9/16" ID for 3" Heater Tube Assembly
HTPOFAmerica
MSRP: $24.99$19.99This 2 1/2" heater flange split nut assembly includes a gasket and features a 3 9/16" inside diameter design. The split nut component fastens to your heater tube via 2 mounting screws and threads directly onto the heater union with the included gasket...MSRP: $24.99$19.99 -
12 Inch 1 1/2" Flexible Pipe for Spa Manifolds, Slice Valves & Unions
HTPOFAmerica
MSRP: $15.99$10.99Premium 1 1/2" flexible plumbing pipe measuring 12 inches in length, specifically designed for hot tub and spa applications. This versatile flex pipe connects seamlessly with 1 1/2 inch manifolds, slice valves, and union fittings to provide reliable...MSRP: $15.99$10.99 -
1-1/2" Flexible Spa Pipe 6" Length - Manifold, Slice Valve & Union Compatible
HTPOFAmerica
MSRP: $11.99$6.99This component is a 6 inch section of 1 1/2 inch flexible spa tubing with precise dimensions: 1 7/8 inch outer diameter and 1 1/2 inch inner diameter.This flexible tubing section works perfectly with 1 1/2 inch spa manifolds, slice valves, and unions for...MSRP: $11.99$6.99 -
12 Inch 1" Flexible Pipe for Spa Manifolds, Waterfall & Air Control Valves
HTPOFAmerica
MSRP: $13.99$8.99This flexible tubing component measures 12 inches in length and features a 1 inch diameter, specifically designed for integration with 1 inch manifold systems, waterfall installations, and air control valve assemblies in hot tubs and spas.The flexible...MSRP: $13.99$8.99 -
6" Flexible 1" Pipe - 1 1/4" OD for Spa Manifolds, Waterfall & Air Valves
HTPOFAmerica
MSRP: $12.99$5.99This is a 6 inch section of flexible 1 inch plumbing pipe with an outer diameter measuring approximately 1 1/4 inches OD. Designed for use with 1 inch spa manifolds, waterfall control valves, and air control valves in hot tub applications.Perfect for...MSRP: $12.99$5.99 -
GFCI Breaker Installation Guide for Hot Tubs & Spas - Expert DIY Instructions | Global
Spa Guy How To Videos
$0.00Global presents comprehensive guidance on installing and wiring GFCI breakers for hot tub and spa applications. Understanding proper ground fault circuit interrupter setup is crucial for safe spa operation and electrical protection.This detailed...$0.00Qty in Cart: 0Quantity:Price:$0.00Subtotal: