Mountain home spa... Local firefighter install...
Hot tub Effective insulation greatly improves the energy efficiency of a spa. There are several different styles of spa insulation: some manufacturers fill the entire cabinet with foam, while others insulate the underside of the shell, the inside of the cabinet, or both...

The plumbing of this spa included:

A pressure system delivering water to the jets

  • A suction system returning water to the pumps.
  • A filtration system - the plumbing has to incorporate a filter system to help clean the water. Some models use a separate small 24/7 filter pump while others use programmed settings of the main pumps.