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BISHTA - Promoting safe spa water

Balboa Approved Stockist

HydroAir Approved Stockist

Pool and Spa Scene

Buizen

If you use this handy pipe size conversion this will help to determine the size of pipe work needed. Any Questions Please call.

Our Size (Internal Bore) Conversion (Outside Diameter)
1 inch  1.315 in (33.40 mm)
1-1/4 inch 1.660 in (42.16 mm)
1-1/2 inch 1.900 in (48.26 mm)
2 inch 2.375 in (60.33 mm)
2-1/2 inch 2.875 in (73.02 mm)
3 inch 3.500 in (88.90 mm)