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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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1 Inch Socket Union
1 Inch Socket Union
€8.43 (€7.03 Ex. VAT)
128 item(s)
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1.5 Inch Socket Union
1.5 Inch Socket Union
€16.80 (€14.00 Ex. VAT)
47 item(s)
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1.5 inch Socket Union (M Thread to F Socket)
1.5 inch Socket Union (M Thread to F Socket)
€14.44 (€12.04 Ex. VAT)
7 item(s)
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1.5"_Heater_Union_Tail_Peice
1.5" Heater Union Tail Piece
€2.30 (€1.92 Ex. VAT)
73 item(s)
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1.5"_Split_Heater_Union_Nut
1.5" Split Heater Union Nut
€4.14 (€3.45 Ex. VAT)
56 item(s)
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2 Inch Socket Union (with Female Thread)
2 Inch Socket Union (with Female Thread)
€22.51 (€18.76 Ex. VAT)
5 item(s)
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2"_Heater_Union_Tail_Peice
2" Heater Union Tail Piece
€3.18 (€2.65 Ex. VAT)
79 item(s)
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2"_Split_Heater_Union_Nut
2" Split Heater Union Nut
€3.85 (€3.20 Ex. VAT)
77 item(s)
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2"_Split_Pump_Union_Nut
2" Split Pump Union Nut
€7.94 (€6.62 Ex. VAT)
76 item(s)
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2" to 2.5" Face Plate Adapter
2" to 2.5" Face Plate Adapter
€9.80 (€8.16 Ex. VAT)
93 item(s)
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1"_Spa_Pump_Union
Pump Union 1"x 1" Socket
€5.35 (€4.46 Ex. VAT)
12 item(s)
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1.5"_Spa_Pump_Union
Pump Union 1.5"x 1.5" Socket
€6.65 (€5.54 Ex. VAT)
32 item(s)
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2-Inch_Spa_Pump_Union
Pump Union 2"x 2" Socket
€7.70 (€6.41 Ex. VAT)
31 item(s)
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2.5"_Pump_Union_With_2"_Socket
Pump Union 2.5" x 2" Socket
€10.90 (€9.09 Ex. VAT)
24 item(s)
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2.5_Inch_Spa_Pump_Union
Pump Union 2.5" x 2.5" Socket
€10.90 (€9.09 Ex. VAT)
16 item(s)
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Waterway_2"_45_Degree_Male_Pump_Union
Waterway 2" 45 Degree Male Pump Union
€8.54 (€7.11 Ex. VAT)
4 item(s)
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Waterway_2"_90_Degree_Swept_Pump_Union
Waterway 2" 90 Degree Swept Pump Union
€10.02 (€8.35 Ex. VAT)
44 item(s)
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