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Pipe fittings

Here you will find all the fittings most commonly used in a spa piping system : straight connectors, elbows, couplers, reducers... We offer fittings in metric sizes, but also and especially in inches.

Below are the inside diameter of the different female fittings that are commonly found in spas and hot tubs. These dimensions also represent the outside diameters of the various pipe sizes, of course.
  • 1/4 inch: 9 mm
  • 3/8 inch: 14 mm
  • 1/2 inch: 21 mm (available adapter to 20 mm)
  • 3/4 inch: 27 mm (available adapter to 25 mm)
  • 1 inch: 33 mm (available adapter to 32 mm)
  • 1.5 inches: 48 mm (available adapter to 50 mm)
  • 2 inches: 60 mm (available adapter to 63 mm)
  • 2.5 inches: 73 mm