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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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Waterway_2"_90_Degree_Swept_Pump_Union
Waterway 2" 90 Degree Swept Pump Union
€10.32 (€8.60 Ex. VAT)
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Waterway_2"_45_Degree_Male_Pump_Union
Waterway 2" 45 Degree Male Pump Union
€8.78 (€7.32 Ex. VAT)
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2.5_Inch_Spa_Pump_Union
Pump Union 2.5" x 2.5" Socket
€11.23 (€9.36 Ex. VAT)
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2.5"_Pump_Union_With_2"_Socket
Pump Union 2.5" x 2" Socket
€11.23 (€9.36 Ex. VAT)
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2-Inch_Spa_Pump_Union
Pump Union 2"x 2" Socket
€7.92 (€6.60 Ex. VAT)
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1.5"_Spa_Pump_Union
Pump Union 1.5"x 1.5" Socket
€6.85 (€5.71 Ex. VAT)
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1"_Spa_Pump_Union
Pump Union 1"x 1" Socket
€5.50 (€4.58 Ex. VAT)
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Marquis Spas 1.5" Heater Union Tailpiece (Male Slip)
Marquis Spas 1.5" Heater Union Tailpiece (Male Slip)
€5.96 (€4.97 Ex. VAT)
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ESPA Pump Union (WIPER3)
ESPA Pump Union (WIPER3)
€24.40 (€20.33 Ex. VAT)
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50mm Hydroair Pump Union
50mm Hydroair Pump Union
€6.60 (€5.50 Ex. VAT)
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2" to 2.5" Face Plate Adapter
2" to 2.5" Face Plate Adapter
€10.09 (€8.41 Ex. VAT)
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2" to 1.5" Threaded Union Adapter
2" to 1.5" Threaded Union Adapter
€9.03 (€7.52 Ex. VAT)
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