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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
2" Heater Union 2" Slip with Gasket - Spa Heater Connection Fitting
HTPOFAmerica
MSRP: $15.99$9.99This product is a 2" Slip measuring approximately 2 3/8" ID X 2" measuring approximately 3" OD Heater Union with Gasket. This uMSRP: $15.99$9.99 -
2-Pack 2" Heater Union Split Nut Kit with Gaskets & Screws - Hot Tub Spa Parts
HTPOFAmerica
MSRP: $21.99$14.99Complete hardware kit containing (2) 2" split nuts with approximately 3" inside diameter, (4) mounting screws, and (2) gaskets designed for connecting 2" hMSRP: $21.99$14.99 -
2" Heater Union Split Nut Assembly Kit with Gasket (3" ID) - Includes Screws
HTPOFAmerica
MSRP: $14.99$9.99This complete heater connection kit features a 2" heater flange split nut with approximately 3" inner diameter, accompanied by a gasket and (2) mounting screws designed for 2"MSRP: $14.99$9.99 -
1.5 Inch Heater Split Nut Assembly Kit (Set of 2) with Gaskets for Spa Hot Tub Union Connection
HTPOFAmerica
MSRP: $18.99$14.49Complete assembly kit containing: (2) 1 1/2 inch heater flange split nuts, (4) mounting screws, and (2) gaskets designed for connecting 1 1/2 inch heater tubes to unions. The threaded union side...MSRP: $18.99$14.49 -
1.5 Inch Spa Heater Split Nut Assembly Kit with Gasket - Complete Installation Set
HTPOFAmerica
MSRP: $12.99$8.49This complete assembly is a 1 1/2 inch heater split nut kit featuring the split nut component, gasket, and (2) mounting screws designed for 1 1/2 inch heater unions measuring approMSRP: $12.99$8.49 -
1 1/2" Spa Heater Union O-Ring - 1 7/8" Center to Center Measurement
HTPOFAmerica
MSRP: $7.99$5.99This replacement O-ring is designed for 1 1/2" heater unions and measures 1 7/8" center to center.MSRP: $7.99$5.99
2 Pack - 2 1/2" Therm Style Heater Union Gaskets for Hot Tub Spa Pump Plumbing
HTPOFAmerica
MSRP: $19.99$14.99This is a pair of 2 1/2" Therm style union gaskets designed for sealing heater or pump unions in hot tub plumbing systems.These gaskets are specifically sized at 3 1/4" O.D. x 2 3/4" I.D. with lip...MSRP: $19.99$14.99
2 1/2" Threaded x 1" 90° Barb Heater Union with Gasket for Hot Tub Spa
HTPOFAmerica
MSRP: $28.99$21.99This component is a 2 1/2" Threaded X 1" 90 Degree Barb Heater Union with Gasket designed for spa heating systems.MSRP: $28.99$21.99
2" 45° Spa Pump Union Heater Connection Assembly with Gasket - Global Hot Tub Parts
HTPOFAmerica
MSRP: $30.99$25.99This component is a 2" 45° Heater Connection Assembly with Pump Union & Gasket. This union assembly features a dual-connection design: one end bonds permanently into a 2" fitting, while the opposite...MSRP: $30.99$25.99
2 Inch Hot Tub Heater Split Nut Assembly Kit - Set of 2 with Unions & Slice Gate Valves
HTPOFAmerica
MSRP: $89.96$67.99This package includes a complete set of TWO (2) 2" heater connection assemblies, each containing: one split nut, two screws, one 2" slip x 2" threaMSRP: $89.96$67.99
2" Heater Union Complete Kit - Split Nut, Slip x Thread Union, Gasket & Screws
HTPOFAmerica
MSRP: $44.98$34.98This complete kit includes everything needed for 2" heater connections: 2" Heater Split Nut Assembly, 2" Slip X 2" Threaded Union, Gasket, and (2) Mounting ScrewsMSRP: $44.98$34.98
2" Heater Split Nut & Union Kit Set of 2 - Hot Tub Spa Parts with Gaskets & Hardware
HTPOFAmerica
MSRP: $39.98$29.99This complete kit includes everything needed for TWO 2" Heater Connections: (2) split nuts, (4) mounting screws, (2) 2" Slip XMSRP: $39.98$29.99