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- Sale!
- Fittings & Valves: Unions
Waterway 45° Wye [1-1/2″ Male Buttress Thread x 1″ Slip x Union Low Profile] (400-3145)
- Original price was: $5.59.$4.30Current price is: $4.30.
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- Sale!
- Fittings & Valves: Unions
Waterway Adapter [1-1/2″ MPT x 1-1/2″ Barb] (417-6241)
- Original price was: $5.59.$4.15Current price is: $4.15.
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- Sale!
- Fittings & Valves: Unions
Waterway Crystal Water Standard Base Cartridge/DE Coupling [2″ Union x 1-1/2″ MPT] (419-7241)
- Original price was: $15.19.$8.37Current price is: $8.37.
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- Sale!
- Fittings & Valves: Unions
Waterway Plastics 2″ MBT x 2″ Slip For Split Nut (417-5050)
- Original price was: $4.79.$3.15Current price is: $3.15.
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- Sale!
- Fittings & Valves: Unions
Waterway Pump Union [2″] [Qty 2] (400-5570-2B)
- Original price was: $16.79.$12.37Current price is: $12.37.
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- Sale!
- Fittings & Valves: Unions
Waterway Split Nut [DE Filter/Heaters 2-1/2″ PVC Bagged] (400-5271B)
- Original price was: $11.19.$6.13Current price is: $6.13.
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- Sale!
- Fittings & Valves: Unions
Waterway Split Nut [Heater 1-1/2″ Buttress Thd Large Flange] (400-5461)
- Original price was: $7.19.$4.72Current price is: $4.72.
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- Sale!
- Fittings & Valves: Unions
Waterway Tailpiece [2″ Slip] (417-5121)
- Original price was: $6.39.$3.85Current price is: $3.85.
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- Sale!
- Fittings & Valves: Unions
Waterway Tailpiece [2″ Union x 2″ Spg] (417-5060)
- Original price was: $4.79.$3.25Current price is: $3.25.
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- Sale!
- Fittings & Valves: Unions
Waterway Union [Champion 2″ MBT x 2″s Blk] [Qty 2] (400-9631-2B)
- Original price was: $17.58.$11.54Current price is: $11.54.
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- Sale!
- Fittings & Valves: Unions
Waterway Union Assy [1-1/2″s Pump Bag] (400-4060B)
- Original price was: $4.70.$2.79Current price is: $2.79.
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- Sale!
- Fittings & Valves: Unions
Waterway Union Nut [1″] (415-2000)
- Original price was: $2.79.$1.80Current price is: $1.80.
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![Waterway 45° Wye [1-1/2″ Male Buttress Thread x 1″ Slip x Union Low Profile] (400-3145)](https://www.hotcleanpoolparts.com/wp-content/uploads/2026/09/waterway-45-wye-1-1-2-male-buttress-thread-x-1-slip-x-union-low-profile-400-3145.webp)
![Waterway Adapter [1-1/2″ MPT x 1-1/2″ Barb] (417-6241)](https://www.hotcleanpoolparts.com/wp-content/uploads/2026/09/waterway-adapter-1-1-2-mpt-x-1-1-2-barb-417-6241.webp)
![Waterway Crystal Water Standard Base Cartridge/DE Coupling [2″ Union x 1-1/2″ MPT] (419-7241)](https://www.hotcleanpoolparts.com/wp-content/uploads/2026/09/waterway-crystal-water-standard-base-cartridge-de-coupling-2-union-x-1-1-2-mpt-4.webp)
![Waterway Pump Union [2″] [Qty 2] (400-5570-2B)](https://www.hotcleanpoolparts.com/wp-content/uploads/2026/09/waterway-pump-union-2-qty-2-400-5570-2b.webp)
![Waterway Split Nut [DE Filter/Heaters 2-1/2″ PVC Bagged] (400-5271B)](https://www.hotcleanpoolparts.com/wp-content/uploads/2026/09/waterway-split-nut-de-filter-heaters-2-1-2-pvc-bagged-400-5271b.webp)
![Waterway Split Nut [Heater 1-1/2″ Buttress Thd Large Flange] (400-5461)](https://www.hotcleanpoolparts.com/wp-content/uploads/2026/09/waterway-split-nut-heater-1-1-2-buttress-thd-large-flange-400-5461.webp)
![Waterway Tailpiece [2″ Slip] (417-5121)](https://www.hotcleanpoolparts.com/wp-content/uploads/2026/09/waterway-tailpiece-2-slip-417-5121.webp)
![Waterway Tailpiece [2″ Union x 2″ Spg] (417-5060)](https://www.hotcleanpoolparts.com/wp-content/uploads/2026/09/waterway-tailpiece-2-union-x-2-spg-417-5060.webp)
![Waterway Union [Champion 2″ MBT x 2″s Blk] [Qty 2] (400-9631-2B)](https://www.hotcleanpoolparts.com/wp-content/uploads/2026/09/waterway-union-champion-2-mbt-x-2-s-blk-qty-2-400-9631-2b.webp)
![Waterway Union Assy [1-1/2″s Pump Bag] (400-4060B)](https://www.hotcleanpoolparts.com/wp-content/uploads/2026/09/waterway-union-assy-1-1-2-s-pump-bag-400-4060b.webp)
![Waterway Union Nut [1″] (415-2000)](https://www.hotcleanpoolparts.com/wp-content/uploads/2026/09/waterway-union-nut-1-415-2000.webp)