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" Gate Slice Valve Kit with Pump Union - Spigot x Slip Connection for Hot Tub Spa Plumbing
HTPOFAmerica
MSRP: $39.99$29.99This complete kit includes one 2" Spigot X 2" Slip Gate Slice Valve plus one 2" Pump Union with matching Gasket or O-ring. The valve features a 2" street connection on one end that accepts pipe or fittings, while the opposite slip end inserts into 2"...MSRP: $39.99$29.99 -
2" Slip x 2" Threaded Hot Tub Pump Union Set (2) with Gasket/O-ring - Global
HTPOFAmerica
MSRP: $23.99$18.99This package includes Two (2) 2" Slip X 2" Threaded Pump Unions complete with matching Gasket or O-ring. Each union accepts a 2" pipe or fitting on the slip side and threads directly onto a 2" Wetend (Pump) threaded connection on the opposite side. The...MSRP: $23.99$18.99 -
2" Pump Union Split Nut Emergency Repair Kit (Set of 2) for Hot Tub Spa - Includes Mounting Screws
HTPOFAmerica
MSRP: $49.98$29.99This is a Set of Two (2) 2" Spa Pump Union Split Nut Emergency Repair Kits with each kit containing one split nut plus two mounting screws designed for 2" pump unions. Each replacement split nut features internal threading that measures approximately 3"...MSRP: $49.98$29.99 -
Jacuzzi® J-Style 2 Inch Pump Union Slice Valve Kit - Set of 2 with Couplers
HTPOFAmerica
MSRP: $102.98$64.99This complete assembly includes a pair of 2 inch Spigot X 2 inch Slip Slice Gate Valve Kits featuring Jacuzzi® J-Style Pump Unions with O-rings, (2) 2 inch Street x Slip Slice Gate Valves, and (2) 2 inch Couplers designed for connecting 2 inch plumbing...MSRP: $102.98$64.99 -
2" Slice Gate Valve Kit for Jacuzzi® J Pump Union with Coupler and O-Ring
HTPOFAmerica
MSRP: $52.99$36.99This complete assembly features a 2" Spigot X 2" Slip Slice Gate Valve Kit paired with a Jacuzzi® J Style Pump Union (includes O-ring) plus a 2" Coupler for permanent connection to existing 2" plumbing. The valve design accepts 2" pipe or fitting on the...MSRP: $52.99$36.99 -
Jacuzzi® J Pump Union Pair - 1 1/2" Slip or 2" Street - Dual Plumbing Compatibility
HTPOFAmerica
MSRP: $45.98$29.99This package includes (2) Jacuzzi® J Pump Style Union Fittings compatible with both 1 1/2" and 2" plumbing configurations. These versatile unions accept 1 1/2" piping inserted into the interior back section or 2" pipe glued onto the exterior back surface...MSRP: $45.98$29.99 -
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 end threads securely onto a 2" Wet End (Pump) threaded...MSRP: $30.99$25.99 -
Standard 2 1/2" Pump Union O-Ring - Hot Tub Spa Replacement Seal
HTPOFAmerica
MSRP: $7.99$5.99This replacement seal is a Standard 2 1/2" Pump Union O-Ring designed for spa plumbing connections. Measuring 2 1/2" Center to Center in diameter, this o-ring provides a watertight seal for most pump unions, though compatibility varies by model—please...MSRP: $7.99$5.99 -
1" FTB x 1" Barb Spa Pump Union with O-Ring - Fits Waterway Tiny Might & Compatible Pumps
HTPOFAmerica
MSRP: $17.99$11.99This listing includes one 1" FTB X 1" Barb Pump Union complete with matching O-ring. This union accommodates a 1" Inside Diameter hose (approximately 1¼" outer diameter) on the barbed end, while the threaded Female Threaded Bottom side connects to 1"...MSRP: $17.99$11.99 -
1 1/2" Slip x 1 1/2" Threaded Spa Pump Union with Gasket/O-Ring
Magic Plastics
MSRP: $8.71$6.78This 1 1/2" pump union assembly features a slip connection on one end and threaded attachment on the other, complete with matching gasket or o-ring. Designed for hot tub circulation systems, this fitting connects 1 1/2" PVC pipe or fittings (via slip...MSRP: $8.71$6.78 -
Spa Pump Union 1" FTB x 3/4" Barb with O-Ring - Waterway Tiny Might Compatible
HTPOFAmerica
MSRP: $17.99$11.99This listing includes a 1" FTB X 3/4" Barb Pump Union complete with matching O-ring. Designed to connect 3/4" Inside Diameter hose (approximately 1" outer diameter) to pump wetend fittings with 1" threads (measuring roughly 1 7/8" outside diameter). The...MSRP: $17.99$11.99 -
1-1/2" FBT x 1-1/2" FPT Pump Union for Hot Tub & Spa Pumps
Waterway Plastics
MSRP: $18.99$13.99Hot Tub Pump Union – 1-1/2" FBT x 1-1/2" FPT Engineered for dependable connections in spa plumbing systems, this heavy-duty pump union delivers leak-free performance between your pump and piping. One end features a 1-1/2" Female Buttress Thread (FBT)...MSRP: $18.99$13.99