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.
Zodiac 2" Slip x 2" Slip Pump Union Qty 2 (R0327301)
$78.99 $62.99
Zodiac 2" Slip x 2-1/2" Spg Pump Union Qty 2 (R0449000)
$83.49 $66.49
![Waterway Union Nut [1"] (415-2000)](http://www.bathandspaparts.com/cdn/shop/files/415-2000_XL_large.jpg?v=1778032667)
Waterway Union Nut [1"] (415-2000)
$6.49 $3.49
![Waterway Union [Champion 2" MBT x 2"s Blk] [Qty 2] (400-9631-2B)](http://www.bathandspaparts.com/cdn/shop/files/400-9631-2B_XL_large.jpg?v=1778032663)
![Waterway Tailpiece [2" Union x 2" Spg] (417-5060)](http://www.bathandspaparts.com/cdn/shop/files/89-270-1054_XL_large.jpg?v=1778032636)
Waterway Tailpiece [2" Union x 2" Spg] (417-5060)
$10.49 $5.99
![Waterway Tailpiece [2" Slip] (417-5121)](http://www.bathandspaparts.com/cdn/shop/files/89-270-1031_XL_large.jpg?v=1778032635)
Waterway Tailpiece [2" Slip] (417-5121)
$13.99 $7.99
![Waterway Tailpiece [2" Buttress x 2" Slip] (417-5041)](http://www.bathandspaparts.com/cdn/shop/files/417-5041_XL_large.jpg?v=1778032635)
![Waterway Split Nut [Heater 1-1/2" Buttress Thd Large Flange] (400-5461)](http://www.bathandspaparts.com/cdn/shop/files/89-270-1046_XL_large.jpg?v=1778032619)
![Waterway Split Nut [DE Filter/Heaters 2-1/2" PVC Bagged] (400-5271B)](http://www.bathandspaparts.com/cdn/shop/files/89-270-1316_XL_large.jpg?v=1778032618)
![Waterway Split Nut [2" Heater] (400-5171)](http://www.bathandspaparts.com/cdn/shop/files/89-270-1045_XL_large.jpg?v=1778032615)
Waterway Split Nut [2" Heater] (400-5171)
$15.49 $9.99
![Waterway Crystal Water Standard Base Cartridge/DE Coupling [2" Union x 1-1/2" MPT] (419-7241)](http://www.bathandspaparts.com/cdn/shop/files/419-7241_XL_large.jpg?v=1778020807)
![Waterway Adapter [1-1/2" MPT x 1-1/2" Barb] (417-6241)](http://www.bathandspaparts.com/cdn/shop/files/89-270-1041_XL_large.jpg?v=1778020723)
![Waterway 45° Wye [1-1/2" Male Buttress Thread x 1" Slip x Union Low Profile] (400-3145)](http://www.bathandspaparts.com/cdn/shop/files/89-270-1540_XL_large.jpg?v=1778020709)
![Waterway 2-1/2" Union Nut [w/ 2-1/2" Slip Tailpiece and Gasket] (400-6021)](http://www.bathandspaparts.com/cdn/shop/files/400-6021_XL_large.jpg?v=1778020701)
![Waterway 2" Union Nut [Self-Aligning] (415-5090)](http://www.bathandspaparts.com/cdn/shop/files/415-5090_XL_large.jpg?v=1778020690)
Waterway 2" Union Nut [Self-Aligning] (415-5090)
$16.99 $10.99