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.

Grid List
400-5271B
Waterway Split Nut [DE Filter/Heaters 2-1/2" PVC Bagged] (400-5271B)

$30.52 $19.87

400-5171
Waterway Split Nut [2" Heater] (400-5171)

$22.00 $14.19

400-5570-2B
Waterway Pump Union [2"] [Qty 2] (400-5570-2B)

$37.62 $29.81

419-7241
Waterway Crystal Water Standard Base Cartridge/DE Coupling [2" Union x 1-1/2" MPT] (419-7241)

$34.07 $26.97

417-6241
Waterway Adapter [1-1/2" MPT x 1-1/2" Barb] (417-6241)

$17.74 $9.93

400-3145
Waterway 45° Wye [1-1/2" Male Buttress Thread x 1" Slip x Union Low Profile] (400-3145)

$17.74 $9.93

400-6021
Waterway 2-1/2" Union Nut [w/ 2-1/2" Slip Tailpiece and Gasket] (400-6021)

$32.65 $21.29

415-5090
Waterway 2" Union Nut [Self-Aligning] (415-5090)

$24.13 $15.61

417-5210
Waterway 2" Socket Buttress Tailpiece [Self-Aligning] (417-5210)

$14.19 $7.80

417-5171
Waterway 2" Male Buttress Thread x 2" Male Pipe Thread Tailpiece (417-5171)

$17.74 $9.93

415-4051
Waterway 1-1/2" Split Union Nut [Buttress Thread Tall] (415-4051)

$19.87 $11.35

400-4740
Waterway 1.5" Low Profile Union Tee Assembly (400-4740)

$19.87 $11.35

417-2020
Waterway 1" Slip Tailpiece (417-2020)

$14.90 $8.51

400-4060-2B
Waterway #7 Union Assembly [1-1/2" Pump End] [Qty 2] (400-4060-2B)

$32.65 $21.29

2500310001
Speck Pumps Union Nut [E45 Sawtooth] (2500310001)

$9.93 $5.67

5863272102
Speck Pumps Union End [E71 Suction 1.5" MPT] (5863272102)

$26.26 $17.03

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