Fittings
Standard hot tub plumbing fittings are also known as 'Schedule 40'. This is a reference to the nominal pipe size and the wall thickness of the pipework. Two inch fittings do not measure 2 inches on the inside or outside; but they accept 2 inch schedule 40 pipe (pipe with a nominal size of 2 inches). The actual pipe size must be looked up in a re...
Standard hot tub plumbing fittings are also known as 'Schedule 40'. This is a reference to the nominal pipe size and the wall thickness of the pipework. Two inch fittings do not measure 2 inches on the inside or outside; but they accept 2 inch schedule 40 pipe (pipe with a nominal size of 2 inches). The actual pipe size must be looked up in a reference table.
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