Hot Tub Parts

Pump & Heater Unions

Unions for pumps are easy to replace if you have a leak, follow this guide to help you get the right size 'Pump Union' Hot Tub Pump Union Guide

Remember to click on the individual products specification tab to see the actual sizes in cm.

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1" Hydroair Union Nut £5.65	1" Pump Union £3.65	1.5" 2 Piece Heater Union Nut £2.85


1.5" Chinese Union £2.55	1.5" Heater Tail Piece £1.75	1.5" Socket Union £14.13


1.5" Threaded Socket Union £9.85	1.5" to 2" Face Plate Adapter £5.16 Converts pump wet ends to 2"	1.5" Waterway Pump Union £4.55 (1)


2 Piece 2" Heater Union Nut £2.65 (1)	2 Piece 2" Pump Union Nut £5.41 (6)	2" 90° Sweep Union £8.51 (2)


2" HA440 Pump Union £5.40	2" Heater Tail Piece £2.20 (1)	2" Socket Union £13.83


2" to 2.5" Face Plate Adapter £6.66 Converts pump wet ends to 2.5"	2" Waterway Pump Union £6.55 (1)	2.5" Waterway Pump Union £9.27 Fits 2" Plumbing

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Please note all Hot tub Parts sold are UK Spec, which means designed for 230 V at 50Hz