Heaters and Related Parts
Keep your hot tub or spa at the perfect temperature with our comprehensive selection of heaters and heating components. We carry complete heater assemblies, heating elements, heater manifolds, and related parts from top spa manufacturers. Whether you need a full heater replacement or just a component, we have you covered. We offer competitive international shipping rates to buyers worldwide.
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2 Inch Hot Tub Heater Pump Union Gasket 4-Pack | 2.5" Lip | Balboa Gecko Compatible
HTPOFAmerica
MSRP: $17.98$8.99This 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 -
2 Inch Heater Pump Union Gasket 3-Pack - 2.5 Inch Lip - Balboa Gecko Compatible
HTPOFAmerica
MSRP: $13.45$7.99This 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 -
2-Pack 2 Inch Hot Tub Heater/Pump Union Gaskets - 2.5" Lip - Balboa Gecko Compatible
HTPOFAmerica
MSRP: $8.99$6.99This product includes Two (2) Premium 2" Heater or Pump Union Gaskets featuring a lipped design with 2 1/2" center-to-center measurement. These gaskets measure 2 7/8" outer diameter, approximately 2 3/16" inner diameter, and feature a ridge with 2 1/2"...MSRP: $8.99$6.99 -
Spa Heater Union 2 1/2" Thread x 2" Slip with Matching Gasket - Hot Tub Parts
HTPOFAmerica
MSRP: $18.99$13.99This listing includes one 2 1/2" Thread X 2" Slip Heater Union complete with matching Gasket. This union connects 2" plumbing to a 2 1/2" heater flange. The slip side accepts 2" pipe or fittings for gluing (measuring approximately 2 3/8" across), while...MSRP: $18.99$13.99 -
Discontinued 2 1/2" Thread X 1 1/2" Slip Heater Union with Gasket for Hot Tub Spa
HTPOFAmerica
MSRP: $18.99$13.99This component is no longer manufactured by the original supplier.This listing is for a 2 1/2" Thread X 1 1/2" Slip Heater Union complete with matching Gasket. This union accepts a 1 1/2" pipe or fitting on the slip (glue) side and threads onto a 2 1/2"...MSRP: $18.99$13.99Qty in Cart: 0Quantity:Price:MSRP: $18.99$13.99Subtotal: -
Hot Tub Spa 1 1/2" Thread X 1" Slip Heater Union Video How To
HTPOFAmerica
MSRP: $15.99$9.99This part is a 1 1/2" Threaded X 1" Slip Heater Union with Gasket or O-Ring that matches Union. The Union recieves a 1" pipe or fitting on one side that measures 1 1/4" Outside Diameter and then Screws to a 1 1/2"...MSRP: $15.99$9.99 -
2 1/2 Inch Hot Tub Heater Union Nut Kit with Therm Gasket - Set of 2
HTPOFAmerica
MSRP: $64.99$37.99Complete 2 1/2" Heater Connection Kit - Pair IncludedThis comprehensive kit contains everything needed for professional heater tube installation: 2 complete sets, each featuring a 2 1/2" flange nut, split retainer ring, and Therm-style gasket designed...MSRP: $64.99$37.99 -
2-Pack 2-1/2" Spa Pump Union T Gaskets - 3 5/8" Thread Fit - Replacement Seals
HTPOFAmerica
MSRP: $19.99$14.99These replacement gaskets come as a pair (2 pieces) designed for 2 1/2" pump or heater unions with approximately 3 5/8" interior thread measurement. Each gasket features precise dimensions of 3 1/4" O.D. x 2 3/8" I.D. with a 2 7/8" center-to-center lip...MSRP: $19.99$14.99 -
2 1/2" Hot Tub Heater Union Nut & Retainer Kit with Installation Guide
HTPOFAmerica
MSRP: $28.99$18.99Important: Verify Measurements Before Ordering - This 2 1/2" size is uncommon and typically found only in swim spas with large 3" heaters or select smaller hot tubs. Most standard hot tubs use 2" heater unions, which are also available at Global. Please...MSRP: $28.99$18.99 -
2 1/2" Hot Tub Heater Union Nut Kit with Therm Gasket - Installation Guide
HTPOFAmerica
MSRP: $31.99$21.99Important - Verify Size Before Ordering: This 2 1/2" heater union nut is uncommon in standard hot tubs. Typically found only in swim spas with large 3" heaters or select smaller tubs. The standard 2" size fits most applications. Please confirm your...MSRP: $31.99$21.99 -
Set of 2 Gate Slice Valves 1 1/2" & 2" Heater Unions for Hot Tub Spa - Installation Video
HTPOFAmerica
MSRP: $56.99$49.99This complete set includes (2) 1 1/2" Spigot X 1 1/2" Slip Gate Slice Valves plus (2) 1 1/2 X 2" Heater Unions with Gaskets. Each valve features a 1 1/2" spigot connection that accepts pipe or fittings measuring approximately 1 7/8" OD on one end, while...MSRP: $56.99$49.99 -
1 1/2" & 2" Spa Isolation Slice Valve with Heater Union Kit - Installation Guide Video
HTPOFAmerica
MSRP: $34.99$28.99This package includes one 1 1/2" Spigot X 1 1/2" Slip Slice Gate Valve paired with a 1 1/2" X 2" Heater Union complete with matching Gasket or O-ring. The valve features a 1 1/2" pipe connection on one end and a slip fitting on the opposite end...MSRP: $34.99$28.99