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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

1" Hydroair Union Nut£9.62

1'' Pump Union

1" Pump Union£3.29

1.5'' 2 Piece Heater Union Nut

1.5" 2 Piece Heater Union Nut£2.65

1.5'' Chinese Union

1.5" Chinese Union£2.53

1.5'' Heater Tail Piece

1.5" Heater Tail Piece£1.97

1.5'' Socket Union

1.5" Socket Union£8.95

1.5'' Threaded Socket Union

1.5" Threaded Socket Union£9.85

1.5'' Waterway Pump Union

1.5" Waterway Pump Union£4.30

2 Piece 2'' Heater Union Nut

2 Piece 2" Heater Union Nut£3.40

2 Piece 2'' Pump Union Nut

2 Piece 2" Pump Union Nut£9.75

2'' 90 Sweep Union

2" 90 Sweep Union£8.84

2'' HA440 Pump Union

2" HA440 Pump Union£5.16

2'' Heater Tail Piece

2" Heater Tail Piece£4.21

2'' Socket Union

2" Socket Union£8.45

2'' to 2.5'' Face Plate Adapter

2" to 2.5" Face Plate Adapter£8.57

Converts pump wet ends to 2.5"

2'' Waterway Pump Union

2" Waterway Pump Union£6.35


2.5" Waterway Pump Union£8.19

Union Wrench

Union Wrench£19.55


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