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Unions

Unions

Welcome to the pipe unions section of our store.

We stock all sizes of spa pipe plumbing unions such as heater unions, socket unions, pump unions 1 inch, 1.5 inch, 2 inch, and 2.5 inch along with all other types and sizes designed to fit Aqua-flo, Hydroair, LX and Waterway hot tub pumps.

Here is a quick guide to the approximate outside thread diameters of pump connections,

1.5" unions: 63 mm OD, 2" unions: 78 mm OD, 2.5" unions: 93 mm OD.

HTP547
£565 (£471 Ex. VAT)
46 item(s)
+
HTP674
£192 (£160 Ex. VAT)
9 item(s)
+
HTP285
£282 (£235 Ex. VAT)
14 item(s)
+
HTP117
£548 (£457 Ex. VAT)
HTP252
£264 (£220 Ex. VAT)
HTP251
£358 (£298 Ex. VAT)
113 item(s)
+
HTP1405
£540 (£450 Ex. VAT)
HTP1797
£516 (£430 Ex. VAT)
236 item(s)
+
HTP414
£364 (£303 Ex. VAT)
6 item(s)
+
HTP311
£452 (£377 Ex. VAT)
HTP172
£654 (£545 Ex. VAT)
149 item(s)
+
HTP256
£928 (£773 Ex. VAT)
30 item(s)
+
HTP257
£928 (£773 Ex. VAT)
73 item(s)
+
HTP291
£726 (£605 Ex. VAT)
46 item(s)
+
HTP255
£851 (£709 Ex. VAT)