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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
Sort Alphabetically: A to Z
50 Per Page
-1%
1 Inch Socket Union
1 Inch Socket Union
€7.97 (€6.63 Ex. VAT)
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-1%
1"_Hydroair_Union_Complete
1" Hydroair Union Complete - Genesis Air Blowers
€7.84 (€6.53 Ex. VAT)
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-27%
1.5 Inch Hydroair Pump Union
1.5 Inch Hydroair Pump Union
€4.93 (€4.11 Ex. VAT)
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-11%
1.5 Inch Socket Union
1.5 Inch Socket Union
€14.21 (€11.84 Ex. VAT)
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-15%
1.5 inch Socket Union (M Thread to F Socket)
1.5 inch Socket Union (M Thread to F Socket)
€11.70 (€9.74 Ex. VAT)
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-15%
1.5"_Heater_Union_Tail_Peice
1.5" Heater Union Tail Piece
€1.87 (€1.56 Ex. VAT)
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-10%
1.5"_Split_Heater_Union_Nut
1.5" Split Heater Union Nut
€3.55 (€2.95 Ex. VAT)
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-20%
2 Inch Davey Pump/Heater Union (Sold in Pairs)
2 Inch Davey Pump/Heater Union
€51.15 (€42.62 Ex. VAT)
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-18%
2 Inch HA440 Pump Union
2 Inch HA440 Pump Union
€6.05 (€5.04 Ex. VAT)
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2 Inch Socket Union
2 Inch Socket Union
€18.22 (€15.18 Ex. VAT)
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2 Inch Socket Union (with Female Thread)
2 Inch Socket Union (with Female Thread)
€25.52 (€21.26 Ex. VAT)
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-16%
Balboa_Heater_Union_Complete
2" Balboa Heater Union Collar & Tail Piece
€6.95 (€5.79 Ex. VAT)
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-15%
2"_Heater_Union_Tail_Peice
2" Heater Union Tail Piece
€2.57 (€2.14 Ex. VAT)
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-15%
2"_Split_Heater_Union_Nut
2" Split Heater Union Nut
€3.10 (€2.59 Ex. VAT)
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-15%
2"_Split_Pump_Union_Nut
2" Split Pump Union Nut
€6.43 (€5.36 Ex. VAT)
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-2%
2" to 1.5" Threaded Union Adapter
2" to 1.5" Threaded Union Adapter
€8.20 (€6.83 Ex. VAT)
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2" to 2.5" Face Plate Adapter
2" to 2.5" Face Plate Adapter
€15.50 (€12.91 Ex. VAT)
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-18%
50mm Hydroair Pump Union
50mm Hydroair Pump Union
€5.28 (€4.40 Ex. VAT)
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-12%
1"_Spa_Pump_Union
Pump Union 1"x 1" Socket
€4.50 (€3.76 Ex. VAT)
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-14%
1.5"_Spa_Pump_Union
Pump Union 1.5"x 1.5" Socket
€5.45 (€4.54 Ex. VAT)
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2-Inch_Spa_Pump_Union
Pump Union 2"x 2" Socket
€7.90 (€6.57 Ex. VAT)
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2.5"_Pump_Union_With_2"_Socket
Pump Union 2.5" x 2" Socket
€11.01 (€9.17 Ex. VAT)
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2.5_Inch_Spa_Pump_Union
Pump Union 2.5" x 2.5" Socket
€11.15 (€9.29 Ex. VAT)
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Waterway_2"_45_Degree_Male_Pump_Union
Waterway 2" 45 Degree Male Pump Union
€8.62 (€7.18 Ex. VAT)
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-23%
Waterway_2"_90_Degree_Swept_Pump_Union
Waterway 2" 90 Degree Swept Pump Union
€7.38 (€6.15 Ex. VAT)
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