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Waterway Wet Ends
Waterway Hot Tub Pump Wet Ends
Waterway are the worlds most common pump brand, we have the full range of replacement Waterway wet ends on the shelf for all their hot tub pumps. Waterway wet ends are available in 48 frame and 56 frame sizes and a range of various horse powers.
The best way to work out which replacement you need is a follows,
Firstly work out whether you need a 48 frame or 56 frame, you can do this by removing you old wet end a measuring diagonally the centers of the four motor mounting studs. The center to center measurements are: 48 frame - 130mm and 56 frame - 147mm.
Secondly measure the inlet and outlet, Waterway wet ends come in four combinations of union sizes. 1.5" x 1.5", 2" x 2", 2.5" x 2" and 2.5" x 2.5". These are simply terms for the imperial pipework that the pump unions glue onto, the best way is to measure the outside diameters of the threaded union connections and use this conversion guide.
1.5" Union - 62mm thread diameter
2" Union - 78mm thread diameter
2.5" Union - 93mm thread diameter