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" FBT x 1-1/2" Slip Complete Pump Union Fitting for Hot Tub Spa
Hot Tub Parts or America
MSRP: $37.99$21.99Complete pump union fitting featuring 2" Female Buttress Thread connection with approximately 3" ID and 1-1/2" Slip connection with approximately 1 7/8" ID. This dual-purpose union assembly provides...MSRP: $37.99$21.99 -
MSRP: $20.14$15.67 -
Hayward SP1500 Pump Union Set 1-1/2" Threaded x 1-1/2" Slip (2-Piece Half Union)
HTPOFAmerica
MSRP: $33.37$25.99This complete half union fitting set is specifically designed for Hayward SP1500 pumps. The threaded connection measures approximately 2 3/8" inside diameter, while the slip glue end measures...MSRP: $33.37$25.99 -
1" FTB x 1" Slip Spa Pump Union with O-Ring for Waterway Tiny Might & Compatible Pumps
HTPOFAmerica
MSRP: $17.99$11.99This listing includes one 1" FTB x 1" Slip Pump Union complete with matching O-ring. This union connects on one end to 1" Inside Diameter pipe (measuring approximately 1 1/4" outeMSRP: $17.99$11.99 -
1-1/2" Pump Union - Threaded 2 3/8" I.D. x Spigot 1 7/8" O.D. - Waterway
Waterway Plastics
MSRP: $15.00$12.99This specialized pump union fitting features a 1-1/2" female buttress thread connection with an interior diameter measuring approximately 2 3/8" on one end. The opposite end is a street spigot...MSRP: $15.00$12.99 -
2" Pump Union O-Ring 2 5/8" Center to Center - Jacuzzi Premium & Sundance Spa Parts
HTPOFAmerica
MSRP: $7.99$4.99IMPORTANT: This is a NON-STANDARD 2 5/8" Center to Center replacement o-ring for 2" pumpMSRP: $7.99$4.99 -
2" Thread Water Union Gasket Only Saluspa Lay-Z-Spa™ "A" Coupling for Water
HTPOFAmerica
MSRP: $19.99$14.99This component serves as a replacement "A" Coupling Gasket "Only" designed for various Saluspa or Lay-Z-Spa AirJet™ Hot Tub models (including Siena, Miami, Havana, Paris, Palm Springs Air Jet, New...MSRP: $19.99$14.99 -
Cal Spa Safety Suction Tee - 2" Pump Union x 2" Slip x 1/8" MPT Tap Fitting
HTPOFAmerica
MSRP: $34.99$24.99This Cal Spa Safety Suction Tee Fitting features a 2" Pump Union measuring approximately 3" Inside Diameter combined with a 2" Slip Fitting at 2 3/8" Inside Diameter. Includes a 1/8" MPT Tap...MSRP: $34.99$24.99Qty in Cart: 0Quantity:Price:MSRP: $34.99$24.99Subtotal: -
2" 45° Pump Union Plumbing Glue Kit for Dynasty Spas - Complete Connection Set
HTPOFAmerica
MSRP: $99.99$77.99Important: Glue cannot be shipped outside the Lower 48 States due to shipping restrictions! This comprehensive 2" 45° Pump Union Plumbing Connection Kit is designed for DynaMSRP: $99.99$77.99 -
2" 45° Pump Union Plumbing Connection Assembly Kit for Dynasty Spas
HTPOFAmerica
MSRP: $79.99$59.99This complete assembly is a 2" 45° Pump Union Plumbing Connection Kit compatible with Dynasty Brand Hot Tubs and Spas. The pump union features approximately 3" interior thread diameter and bonds to a...MSRP: $79.99$59.99 -
Pump Union O-Ring 2-1/8" Center-to-Center for 1-1/2" Unions
HTPOFAmerica
MSRP: $8.99$5.99Replacement O-ring gasket designed for 1 1/2" pump unions with a 2 1/8" center-to-center measurement across the o-ring groove.Part Type O-RingJet Part Type Gasket/O-RingCross Section ...MSRP: $8.99$5.99 -
2" Threaded Split Nut Assembly with Gasket - Saluspa Lay-Z-Spa "A" Water Union Coupling Kit
HTPOFAmerica
MSRP: $37.99$32.99This replacement "A" Coupling component serves as the water connection fitting for various Saluspa and Lay-Z-Spa AirJet™ Hot Tub models, including Siena, Miami, Havana, Paris, Palm Springs Air Jet,...MSRP: $37.99$32.99