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Unions 2-1/2"
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- HotSpring-Caldera
- ** UK's Top Selling Spa Parts **
Pump unions 2-1/2". This size of union will ONLY be found on the suction (face) of Waterway pumps when they have a 2-1/2" wet end. The diameter of the union is 105mm.
Unions 2-1/2" There are 4 products.
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£8.912-1/2" Pump and Heater Split Nut K-0453 (x1)
2-1/2" split nut to fit 2-1/2" suction wet ends and Low Flow heaters. For pumps, this will only ONE pump, the 2-1/2" Waterway. Internal Diameter is 3-1/2"
£8.91 -
£1.352-1/2" Pump O Ring Gaskets (pair) 711-6020(x2)
Large o ring gasket for Waterway 2-1/2" pump unions. Used (only) on the large front union of Waterway pumps. Gaskets are always measured by the internal diameter size of the pipe the fitting is connected to - really confusing when nothing measures what it says. To help, the outside diameter of these is 3-1/2" Every hot tub part is measured in inches.
£1.35 -
£12.16Pump Union 2-1/2" x 2" socket 400-5990
Assembly complete with nut, tailpiece and O ring. 2-1/2" union with 2" tailpiece. Sold individually
£12.16 -
£12.16Pump Union 2-1/2" x 2-1/2" socket 400-6010
Assembly complete with nut, tailpiece and O ring. 2-1/2" union with 2-1/2" tailpiece. Sold individually
£12.16