-
-
3" Heater Union O-ring Gasket, Gatsby Heater
MSRP: $12.95$9.95 -
-
Pump Union Increaser, 1-1/2" FBT x 2" MPT, 50100130
Was: $10.69Now: $9.95 -
-
Pump Union 2" un x 1-1/2" Slip (2" Spg)
Was: $11.12Now: $10.95 -
-
Waterway Tiny Might PVC Union 1", 400-1990
Was: $6.26Now: $5.95 -
Carvin/Jacuzzi
Jacuzzi Swivel Union Assy 1.5" sl / 2" spg X 1.5" sl / 2" spg, 31150303
Was: $43.05Now: $42.95 -
Carvin/Jacuzzi
Jacuzzi Swivel Union Assembly Pair 1.5" sl / 2" spg X 1.5" sl, 31-1586-03-R2
Was: $74.51Now: $62.95 -
SpaShopper
Hot Tub and Spa Pump Union 1-1/2" Slip x 1-1/2" FBT w/ Tailpiece & O-Ring
MSRP: $12.99$9.99 -
Pump Unions, Gaskets & O-rings
Pump unions, gaskets & O-rings are critical sealing and quick-disconnect components for hot tub and spa pumps. Unions allow easy pump removal (tailpiece + split nut + gasket), while gaskets and O-rings seal pump housing, volute cover, drain plug, and union connections to prevent leaks. These parts are essential for pump service, winterizing, or replacement without cutting pipes.
This category offers pump unions, gaskets & O-rings compatible with major pump brands: Waterway (Executive, Viper, EX2 unions), Aqua-Flo (XP series seals/unions), Balboa (universal pump unions), Gecko (in.stream fittings), Laing (circ pump seals), and universal fits. Common items: 1-1/2" and 2" pump unions (tailpiece/split nut kits), silicone/Viton O-rings (volute/drain), flat gaskets (union/volute cover), and union repair kits.
Pump unions, gaskets & O-rings vary by size (1-1/2" or 2"), type (union kit, volute O-ring, drain plug gasket), material (silicone for heat, Viton for chemicals), and pump/spa compatibility—precise matching ensures leak-free seals, no swelling/degradation, and proper compression.
Common problems include leaks from worn/cracked union gaskets or O-rings, loose split nuts causing drips, air leaks affecting pump priming, water intrusion from missing seals, or pump vibration from poor union alignment. Replacing these parts is quick maintenance—often a simple unscrew/swap—for leak-free, serviceable pumps.
To select the right pump union, gasket or O-ring:
- Identify your spa brand/model, year, pump brand/model (e.g., Waterway Executive, Aqua-Flo XP2e), part location (union tailpiece/split nut, volute cover seal, drain plug), size (1-1/2" or 2"), material preference, and any markings on existing parts.
- Note symptoms (leaks at pump unions, air in lines, drip from drain plug), or visible damage (cracked gasket, flattened O-ring).
- Avoid guessing—send us clear photos of the pump area (showing union/tailpiece, split nut, volute cover, drain plug, gasket/O-ring condition, pump label/model, and spa label with model/serial number) for expert verification.
**Text or send photos to: 772-800-5445**
**Or call us at: 844-500-4645**
We'll confirm compatibility before you order.
SpaShopper is not affiliated with any pump or spa manufacturer. Brand names and part numbers are used for compatibility and identification purposes only.
Shop our pump unions, gaskets & O-rings today to stop leaks, seal connections, and keep your hot tub pumps dry, serviceable, and performing reliably.