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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Dynasty Bahama Spa Pump Union Freeze Repair Tutorial Video - Global Hot Tub Parts
Spa Guy How To Videos
$0.00Watch this detailed instructional video demonstrating the proper method for repairing freeze-damaged pump unions on Dynasty Bahama hot tubs. This tutorial walks you through replacing a damaged pressure side pump union where it connects to the flex pipe...$0.00Qty in Cart: 0Quantity:Price:$0.00Subtotal: -
Emergency Hot Tub Pump Union Repair Tutorial - Split Nut Kit Installation Guide Video
Spa Guy How To Videos
$0.00Watch this comprehensive tutorial demonstrating emergency pump union repair techniques for spa circulation systems. Learn professional methods for fixing damaged pump unions using a split nut kit solution, eliminating the need to cut existing plumbing...$0.00Qty in Cart: 0Quantity:Price:$0.00Subtotal: -
1-1/2" FBT x 2" Male Hayward Thread Union Adapter (No O-Ring) - Discontinued Item
Waterway Plastics
MSRP: $13.17$11.99Important: This Hayward Union Adapter Assembly has been discontinued by the manufacturer This specialized adapter fitting enables conversion from the legacy Hayward 2" Thin Threaded Union configuration to a standard 1-1/2" threaded connection, which...MSRP: $13.17$11.99Qty in Cart: 0Quantity:Price:MSRP: $13.17$11.99Subtotal: -
2" to 1-1/2" Pump Union Adapter Assembly with O-Ring - Standard Threaded Reducer Fitting
Aquaflo/Gecko
MSRP: $17.63$13.99Threaded Pump Union Reducer AssemblyThis adapter fitting enables you to reduce a 2" threaded pump union connection (approximately 3" internal diameter) down to a 1-1/2" threaded connection that fits standard 1-7/8" outer diameter wet ends.Includes an...MSRP: $17.63$13.99 -
MSRP: $15.49$12.04 -
Emergency 2 1/2" Pump Union Split Nut Repair Kit with Screws
HTPOFAmerica
MSRP: $24.99$19.99This 2 1/2" Pump Union Split Nut Repair Kit provides an emergency solution for broken pump union nuts without replacing the entire union assembly and glued plumbing components. The kit includes one split nut plus (2) mounting screws designed for 2 1/2"...MSRP: $24.99$19.99 -
Pair of 1 1/2" Slip x 1 1/2" Spa Pump Unions with Gasket/O-Ring - Hot Tub Plumbing Fittings
HTPOFAmerica
MSRP: $21.99$18.49This listing includes a pair (2 pieces) of 1 1/2" Slip x 1 1/2" Pump Unions complete with matching Gasket or O-ring. Each union connects 1 1/2" pipe or fitting on one end via slip connection, while the opposite end threads directly onto a 1 1/2" Wet End...MSRP: $21.99$18.49 -
2 Inch Pump Union Pair - 2" Threaded x 2" Slip with Gasket/O-Ring
Hot Tub Parts or America
MSRP: $23.99$18.99Pair of 2" Slip x 2" Threaded Pump Unions - Each union includes matching gasket or o-ring for proper sealing.These unions connect 2" plumbing pipe on the slip end while threading directly onto 2" pump wetend fittings on the opposite end. The slip side...MSRP: $23.99$18.99 -
Jacuzzi® J-Style Pump Union - 1 1/2" Slip or 2" Street Connection - Beveled Mating Surface
HTPOFAmerica
MSRP: $22.99$15.99This component is a Jacuzzi® J-Style Pump Union designed for dual plumbing compatibility with 1 1/2" or 2" systems. The union accommodates a 1 1/2" fitting inserted into its interior back opening or accepts a 2" component glued onto its exterior back...MSRP: $22.99$15.99 -
2" Spa Pump & Heater Union Gasket - Extra Thick 1/4" Flat Seal
Waterway Plastics
MSRP: $6.31$4.91This extra thick 1/4" flat seal gasket is specifically designed for 2" pump and heater unions in hot tubs and spas. Engineered with superior thickness for enhanced durability and leak prevention, this replacement gasket ensures a watertight connection...MSRP: $6.31$4.91 -
Cal Spa Mo-Flo Heater Union Gasket 2" ID x 3" ID with 2-5/8" Thin Lip
HTPOFAmerica
MSRP: $5.99$4.99This Mo-Flo heater union gasket is designed specifically for Cal Spa applications featuring a 2" inner diameter and 2-3/4" outer diameter. The distinguishing feature of this gasket is its 2-5/8" center to center small lip design. The lip profile is...MSRP: $5.99$4.99 -
1 1/2" Slip x 1 1/2" Spa Pump Union with Gasket - Thread 2 3/8" Slip 1 7/8" I.D.
HTPOFAmerica
MSRP: $12.99$9.99This component is a 1 1/2" Slip X 1 1/2" Pump Union complete with matching Gasket or Oring. The union accepts a 1 1/2" pipe or fitting on the slip side while threading onto a 1 1/2" wet end (pump) threaded connection on the opposite side. This fitting...MSRP: $12.99$9.99