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.
1" Hydroair Union Nut£5.50Add to Basket
1" Pump Union£3.95Add to Basket
1.5" 2 Piece Heater Union Nut£3.10Add to Basket
1.5" Chinese Union£2.55
1.5" Heater Tail Piece£1.75Add to Basket
1.5" Socket Union£11.40Add to Basket
1.5" Threaded Socket Union£9.80Add to Basket
1.5" to 2" Face Plate Adapter£5.20Add to Basket
Converts pump wet ends to 2"
1.5" Waterway Pump Union£4.70Add to Basket (1)
2 Piece 2" Heater Union Nut£3.85Add to Basket (1)
2 Piece 2" Pump Union Nut£5.95Add to Basket (6)
2" 90° Sweep Union£8.30Add to Basket (2)
2" HA440 Pump Union£4.80Add to Basket
2" Heater Tail Piece£2.70Add to Basket (1)
2" Socket Union£11.80Add to Basket
2" to 2.5" Face Plate Adapter£6.50Add to Basket
Converts pump wet ends to 2.5"
2" Waterway Pump Union£6.60Add to Basket (1)
2.5" Waterway Pump Union£8.90Add to Basket
Fits 2" Plumbing
Please note all Hot tub Parts sold are UK Spec, which means designed for 230 V at 50Hz
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