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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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2 Inch Davey Pump/Heater Union (Sold in Pairs)
2 Inch Davey Pump/Heater Union (Sold in Pairs)
€66.89 (€55.74 Ex. VAT)
2 item(s)
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ESPA Pump Union (WIPER3)
ESPA Pump Union (WIPER3)
€23.67 (€19.73 Ex. VAT)
18 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)
4 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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2.5"_Pump_Union_With_2"_Socket
Pump Union 2.5" x 2" Socket
€10.90 (€9.09 Ex. VAT)
29 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"_90_Degree_Swept_Pump_Union
Waterway 2" 90 Degree Swept Pump Union
€10.02 (€8.35 Ex. VAT)
41 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)
92 item(s)
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2" to 1.5" Threaded Union Adapter
2" to 1.5" Threaded Union Adapter
€8.76 (€7.30 Ex. VAT)
140 item(s)
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Balboa_Heater_Union_Complete
2" Balboa Heater Union Collar & Tail Piece
€8.68 (€7.23 Ex. VAT)
17 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)
2 item(s)
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