Unions, Heater

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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  • Voltage in The Water on a Hot Tub How To Video from The Spa Guy

    Hot Tub Electrical Safety: Detecting Voltage in Spa Water - Expert Repair Guide from Global

    Spa Guy How To Videos

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    This educational video demonstrates how to identify dangerous electrical current in hot tub water and diagnose the root cause. Watch as our expert technician discovers a critical missing ground connection on the GFCI breaker box during the spa's initial...
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  • How To Video Hot Tub GFCI Breakers The Basics The Spa Guy Breaker

    GFCI Hot Tub Breaker Wiring Tutorial - Essential Installation Guide Video

    Spa Guy How To Videos

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    Learn the fundamentals of GFCI breaker installation and hot tub electrical wiring in this comprehensive tutorial video. Global's expert technician walks you through the complete process of properly wiring your spa's Ground Fault Circuit Interrupter...
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  • How To Video GFCI Breaker Tripping New Wire Up Hot Tub Diagnose The Spa Guy

    GFCI Breaker Tripping Tutorial - New Hot Tub Installation Troubleshooting Video Guide

    Spa Guy How To Videos

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    This instructional video demonstrates professional techniques for troubleshooting GFCI breaker issues during fresh hot tub electrical installations. Learn expert diagnostic methods for situations where your spa trips the circuit breaker immediately after...
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  • 2" Flex Pipe, 12" length for Manifolds, Slice Valves or Unions 2" Flex Pipe, 12" length for Manifolds, Slice Valves or Unions

    12 Inch Flexible 2 Inch Spa Pipe for Manifolds, Unions & Slice Valves

    HTPOFAmerica

    MSRP: $18.99
    $13.99
    This component is a 12 Inch Length of 2 Inch Flexible Spa Pipe designed for use with manifolds, unions, or slice valves... The exterior diameter of this flexible pipe measures approximately 2 3/8 inches.   
    MSRP: $18.99
    $13.99
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  • 2" Flex Pipe, 6" length for Manifolds, Slice Valves or Unions 2" Flex Pipe, 6" length for Manifolds, Slice Valves or Unions

    2 Inch Flexible Spa Pipe - 6 Inch Length for Manifolds, Slice Valves & Unions

    HTPOFAmerica

    MSRP: $12.99
    $6.99
    This listing includes one 6 inch section of 2 inch flexible spa piping with approximately 2 inch internal diameter and roughly 2 3/8 inch external diameter. Compatible with manifold systems, slice valve assemblies, and union connections for hot tub...
    MSRP: $12.99
    $6.99
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    $6.99
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  • Spin Kit, 2" Coupler and Flex Pipe Kit to Spin To Win It for Manifolds, Slice Valves or Unions Spin Kit, 2" Coupler and Flex Pipe Kit to Spin To Win It for Manifolds, Slice Valves or Unions

    2" Coupler & Flex Pipe Spin Kit for Hot Tub Plumbing Connections - Manifolds, Unions, Slice Valves

    HTPOFAmerica

    MSRP: $14.99
    $9.99
    This professional plumbing repair kit includes a 2" Coupler and 6" length of 2" Flex Pipe designed for seamlessly connecting new plumbing components to existing spa systems. This innovative connection method involves rotating the coupler onto your...
    MSRP: $14.99
    $9.99
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  • Gasket & O-Ring for 5" Flange Heater Hot Tub Spa Part Brett Aqualine Vita Gasket & O-Ring for 5" Flange Heater Hot Tub Spa Part Brett Aqualine Vita

    5 Inch Flange Heater Gasket & O-Ring Set - Brett Aqualine Vita Spa Replacement Part

    HTPOFAmerica

    MSRP: $19.99
    $14.99
    This replacement set includes both the Gasket and O-Ring designed for use with 5" x 5" Flange Heaters. IMPORTANT: Heater element not included with purchase. These sealing components are commonly installed in plastic heater housings manufactured for Brett...
    MSRP: $19.99
    $14.99
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  • 10X Hot Tub Spa 2" Heater or Pump Union Gasket Balboa Gecko ACC Video How To 10X Hot Tub Spa 2" Heater or Pump Union Gasket Balboa Gecko ACC Video How To

    10-Pack 2" Spa Heater Pump Union Gaskets 2.5" Lip - Balboa Gecko Compatible

    HTPOFAmerica

    MSRP: $44.95
    $11.99
    This product includes a bulk package of ten (10) standard 2-inch heater and pump union gaskets featuring a 2 1/2" center-to-center lip design. These replacement gaskets measure 2 7/8" on the outer diameter with an inner diameter of approximately 2 3/16"...
    MSRP: $44.95
    $11.99
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  • 8X Hot Tub Spa 2" Heater  or Pump Union Gasket Balboa Gecko ACC Video How To 8X Hot Tub Spa 2" Heater  or Pump Union Gasket Balboa Gecko ACC Video How To

    2" Heater/Pump Union Gaskets for Hot Tub Spa - 8 Pack Set - Balboa Gecko Compatible

    HTPOFAmerica

    MSRP: $35.96
    $10.99
    This listing includes a complete package of eight (8) standard 2" union gaskets designed for hot tub and spa heater or pump connections. Each gasket features a 2 1/2" lip measurement (center to center). External diameter measures 2 7/8" across, while the...
    MSRP: $35.96
    $10.99
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  • 6X Hot Tub Spa 2" Heater  or Pump Union Gasket Balboa Gecko ACC Video How To 6X Hot Tub Spa 2" Heater  or Pump Union Gasket Balboa Gecko ACC Video How To

    2" Heater Pump Union Gaskets for Hot Tub Spa - 6 Pack | 2 1/2" Lip | Balboa Gecko Compatible

    HTPOFAmerica

    MSRP: $26.97
    $9.99
    This product includes a pack of six (6) standard 2" union gaskets designed for spa heaters and pumps, featuring a 2 1/2" center-to-center lip configuration. These replacement gaskets measure 2 7/8" on the outer diameter with an inner diameter of...
    MSRP: $26.97
    $9.99
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  • 4X Hot Tub Spa 2" Heater  or Pump Union Gasket Balboa Gecko ACC Video How To 4X Hot Tub Spa 2" Heater  or Pump Union Gasket Balboa Gecko ACC Video How To

    2 Inch Hot Tub Heater Pump Union Gasket 4-Pack | 2.5" Lip | Balboa Gecko Compatible

    HTPOFAmerica

    MSRP: $17.98
    $8.99
    This package includes Four (4) Standard 2" Heater Pump Union Gaskets featuring a 2 1/2" center-to-center lip design. These replacement gaskets measure 2 7/8" on the outer diameter with an inner diameter of approximately 2 3/16". The ridge lip that...
    MSRP: $17.98
    $8.99
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  • 3X Hot Tub Spa 2" Heater  or Pump Union Gasket Balboa Gecko ACC Video How To 3X Hot Tub Spa 2" Heater  or Pump Union Gasket Balboa Gecko ACC Video How To

    2 Inch Heater Pump Union Gasket 3-Pack - 2.5 Inch Lip - Balboa Gecko Compatible

    HTPOFAmerica

    MSRP: $13.45
    $7.99
    This package contains THREE (3) standard 2 inch heater or pump union gaskets featuring a 2 1/2 inch center-to-center lip. These gaskets measure 2 7/8 inches outer diameter with an inner diameter of approximately 2 3/16 inches. The lip designed to seat...
    MSRP: $13.45
    $7.99
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