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Pipe Unions

Pipe Unions

Plumbing Unions

This category contains all the unions used on a hot tub and spas plumbing. We stock a wide range of replacement plumbing unions, socket unions, split unions, unions for many brands of pumps, heaters and air blowers.

A quick guide to unions & measurements

Split Unions - Used for heaters and can be used for when a pump union collar has cracked.

1" Unions - Connect onto pumps or heaters with a 50mm thread diameter
1.5" Unions - Connect onto pumps or heaters with a 62mm thread diameter
2" Unions - Connect onto pumps or heaters with a 78mm thread diameter

2.5" Pump Unions - Connect onto pumps with a 90mm thread diameter
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16 Per Page
2" to 2.5" Face Plate Adapter
2" to 2.5" Face Plate Adapter
£9.00 (£7.50 Ex. VAT)
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-14%
50mm Hydroair Pump Union
50mm Hydroair Pump Union
£4.72 (£3.93 Ex. VAT)
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-7%
1"_Spa_Pump_Union
Pump Union 1"x 1" Socket
£4.05 (£3.37 Ex. VAT)
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-10%
1.5"_Spa_Pump_Union
Pump Union 1.5"x 1.5" Socket
£4.85 (£4.04 Ex. VAT)
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2-Inch_Spa_Pump_Union
Pump Union 2"x 2" Socket
£7.01 (£5.84 Ex. VAT)
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2.5"_Pump_Union_With_2"_Socket
Pump Union 2.5" x 2" Socket
£9.89 (£8.24 Ex. VAT)
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2.5_Inch_Spa_Pump_Union
Pump Union 2.5" x 2.5" Socket
£9.91 (£8.26 Ex. VAT)
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Waterway_2"_45_Degree_Male_Pump_Union
Waterway 2" 45 Degree Male Pump Union
£7.74 (£6.45 Ex. VAT)
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-13%
Waterway_2"_90_Degree_Swept_Pump_Union
Waterway 2" 90 Degree Swept Pump Union
£7.14 (£5.95 Ex. VAT)
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