Info about pool hoses and threads

Plastic tubes and hoses have different dimensions depending on the region.

In Europe the metric system is usually installed.

In Great Britain, America and partly in the Far East (China), this is usually the inch system.

Here I show the differences.  Go direct to the hose and pipe info

 

There are also differences in the screw connections and threads.

 

 

Overview of common pipes in the Pool + Spa area

Metric system:

Plastic tubes Outer diameter:

20 mm

32 mm

40 mm

50 mm

63 mm

75 mm

Hose for pool and spa (metric):

American / British system:

Plastic tubes Outer diameter:

3/8 "- 17.2 mm

1/2 "- 21.3 mm

3/4 "- 26.9 mm

1 "- 33.7 mm

1 1/2 "(1.5") - 48.3 mm

2 "- 60.3 mm

2 1/2 "- 72.5 mm

Hose for Pool and Spa (British / American):