Fittings & Valves: Unions
PVC unions make it easier to connect and disconnect plumbing sections for maintenance, inspection, or equipment replacement. Browse union fittings for pool, spa, and bath systems designed to provide secure seals while simplifying future repairs.
![Waterway Union Assy [1-1/2"s Pump Bag] (400-4060B)](http://www.bathandspaparts.com/cdn/shop/files/400-4060B_XL_large.jpg?v=1778032664)
Waterway Union Assy [1-1/2"s Pump Bag] (400-4060B)
$13.50 $8.35
![Waterway Pump Union [2"] [Qty 2] (400-5570-2B)](http://www.bathandspaparts.com/cdn/shop/files/89-270-1089_XL_large.jpg?v=1778032560)
Waterway Pump Union [2"] [Qty 2] (400-5570-2B)
$37.67 $29.85
![Waterway #7 Union Assembly [1-1/2" Pump End] [Qty 2] (400-4060-2B)](http://www.bathandspaparts.com/cdn/shop/files/400-4060-2B_XL_large.jpg?v=1778020647)
![Speck Pumps A91/E45 Pump Union [1.5" Slip Qty 2] (2500300916)](http://www.bathandspaparts.com/cdn/shop/files/35-475-1492_XL_large.jpg?v=1777961930)
![Balboa Heater Union Tailpiece [2" MBT x 2" S] (50085-WH)](http://www.bathandspaparts.com/cdn/shop/files/89-138-1003_XL_large.jpg?v=1718049940)
![Waterco MultiCyclone 2" Union [50mm] (WC6340245)](http://www.bathandspaparts.com/cdn/shop/files/17-252-1200_XL_large.jpg?v=1717027516)
Waterco MultiCyclone 2" Union [50mm] (WC6340245)
$56.87 $45.49
Waterco 1-1/2" Barb Black Tailpiece (WC122312)
$14.92 $8.52
![Generic Plastic Compression Fitting [3/8" MPT x 3/8" Tube] (89-555-1520)](http://www.bathandspaparts.com/cdn/shop/files/89-555-1520_XL_large.jpg?v=1715828094)
![Hydro-Quip 90° Barb Heater Tailpiece [2" MBT x 1"] (42-2387-K)](http://www.bathandspaparts.com/cdn/shop/files/89-355-1020_XL_large.jpg?v=1715657770)
![Hydro-Quip 90° Heater Tailpiece [2" MBT x 3/4" B] (42-2391-K)](http://www.bathandspaparts.com/cdn/shop/files/89-371-1071_XL_large.jpg?v=1715657766)
![Hydro-Quip Tailpiece [1-1/2" MBT x 1" S] (42-0031)](http://www.bathandspaparts.com/cdn/shop/files/89-238-1022_XL_large.jpg?v=1715657762)
Hydro-Quip Tailpiece [1-1/2" MBT x 1" S] (42-0031)
$14.92 $8.52
![Waterway Union Tailpiece [2" Flange x 2" MPT] (417-4220)](http://www.bathandspaparts.com/cdn/shop/products/417-4220_large.jpg?v=1486205543)
Waterway Union Tailpiece [2" Flange x 2" MPT] (417-4220)
$24.16 $15.63
![Waterway Union Tailpiece [2" Flange x 1-1/2" FPT Nut Tailpiece] (417-5130)](http://www.bathandspaparts.com/cdn/shop/products/417-5130_large.jpg?v=1486205541)
![Waterway Union Nut [2" Tailiece & Gasket] (400-5670)](http://www.bathandspaparts.com/cdn/shop/products/4005670_large.jpg?v=1486205504)
Waterway Union Nut [2" Tailiece & Gasket] (400-5670)
$22.03 $14.21
![Waterway Union Assembly [Single Barb - For Heat Jackets] [Without Nut] (417-2140)](http://www.bathandspaparts.com/cdn/shop/products/417-2140_large.jpg?v=1486205497)