Pump Unions and Related Parts
Hot tub pump unions provide the removable, leak-free connections between your spa pump and plumbing, making pump removal and servicing straightforward. Our pump unions are available in 1.5", 2", and 2.5" sizes to fit most hot tub pump configurations. We offer competitive international shipping rates to buyers worldwide.
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2" Street x 2" Threaded 45° PVC Spa Pump Union with Gasket - Instructional Video Included
HTPOFAmerica
MSRP: $17.99$14.99This component is a 45° 2" Street X 2" Threaded PVC Pump Union complete with Gasket or O-ring designed to match your union assembly. One end glues into a 2" fitting (measures 2 3/8") while the opposite end screws onto a 2" Wet End (Pump) threaded...MSRP: $17.99$14.99 -
(2X) 2" Spa Pump Union Split Nut Repair Kit w/ Gasket - Emergency Hot Tub Fix
HTPOFAmerica
MSRP: $49.99$34.99This emergency repair solution includes TWO (2) complete 2" Pump Union Split Nut Repair Kits. Each kit contains one split nut, two mounting screws, and one T gasket designed for 2" pump union applications. The split nut features approximately 3" internal...MSRP: $49.99$34.99 -
2" Pump Union Split Nut Emergency Repair Kit with T Gasket & Screws - Hot Tub Spa Parts
HTPOFAmerica
MSRP: $29.99$19.99This is a complete 2" Pump Union Emergency Repair Kit featuring a split nut, T-style gasket, and (2) mounting screws designed for 2" pump union applications. The split nut component features approximately 3" measurement on the interior threaded section...MSRP: $29.99$19.99 -
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 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 -
Pair of 1" Barb x 1" FTB Pump Unions with O-Rings - Waterway Tiny Might & Compatible Spa Pumps
HTPOFAmerica
MSRP: $27.99$21.99This package includes two (2) 1" FTB X 1" Barb Pump Unions complete with matching O-rings. Each union features a barbed end that accepts 1" Inside Diameter spa hose (approximately 1¼" outer diameter) and threaded end that connects to 1" Wet End pump...MSRP: $27.99$21.99 -
2-Pack Spa Pump Union 1" FTB x 3/4" Barb with O-Ring - Tiny Might Compatible
HTPOFAmerica
MSRP: $29.99$21.99This listing includes two (2) pump unions featuring 1" FTB x 3/4" barb connections, complete with matching O-rings. Each union accepts 3/4" Inside Diameter hosing (approximately 1" outer diameter) on the barbed end and threads onto 1" pump wetend...MSRP: $29.99$21.99 -
Pair of 1" Slip x 1" FTB Pump Union with O-Rings for Hot Tub Spa - Waterway Tiny Might Compatible
HTPOFAmerica
MSRP: $27.99$21.99This package includes Two (2) 1" FTB x 1" Slip Pump Unions complete with matching O-rings. Each union accepts 1" Inside Diameter pipe (approximately 1 1/4" outer diameter measurement) on the slip end, while the opposite threaded end connects to 1" pump...MSRP: $27.99$21.99 -
Jacuzzi J-Style Pump Union Kit with 1.5" Slice Valves (Set of 2) - Installation Guide
HTPOFAmerica
MSRP: $67.99$60.99This complete kit includes (2) Jacuzzi J-Style Pump Unions paired with 1 1/2" Slice Valves. Installation is straightforward: the 1 1/2" slice valve glues directly inside the J-style pump union, then your 1 1/2" pipe (approximately 1 7/8" OD) glues into...MSRP: $67.99$60.99 -
1 1/2" Slice Gate Valve & Jacuzzi® J-Style Pump Union Kit - Street x Slip with O-Ring
HTPOFAmerica
MSRP: $37.99$32.99This complete assembly features a 1 1/2" Street (Spigot) x 1 1/2" Slip Gate Valve paired with a Jacuzzi® J-Style Pump Union and matching O-Ring. The valve design accepts 1 1/2" pipe or fittings measuring 1 7/8" ID on the street side, while the slip end...MSRP: $37.99$32.99 -
2-Pack: 2" Gate Slice Valves Street x Slip with Pump Unions - Hot Tub Spa Replacement Kit
HTPOFAmerica
MSRP: $62.99$54.99This complete kit includes (2) Gate Slice Valves 2" Spigot X 2" Slip plus (2) 2" Pump Unions with matching Gaskets or O-Rings. Each valve features a 2" pipe or fitting connection on one end and slips directly into a 2" fitting on the opposite end...MSRP: $62.99$54.99