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Those of us who regularly use a Hot Tub Jacuzzi know the very many benefits that one receives and if you have not tried one then you must take the time out to submerge your self in the natural warm water therapy to find out what you are missing. Here are some simple pointers of what goes in to a Hot Tub and what Hot Tubs consist of.
Shell - The part that contains the water and where you sit the body of the actual Hot Tub is referred to as the Shell. A good acrylic shell like one from Lucite or Quarite both top quality North American manufacturers who have been around for a long while would be a good idea.
A layer of ABS with proper hand laid glassfibre to provide added strength and rigidity to the shell is to be recomended. Some times a cheaper way of production is to use a fiberglass backing or a high-density polyurethane foam or sometimes a combination of the two but in my view that is an outdated mode of construction and less green for the planet than the system using ABS. The layer of ABS is much stronger and a better and more modern way to build. I have heard it say that some makers claim that they use the foam to keep the noise in the pumps down well all I can think is that it is a badly designed Tub in the first place if it makes so much noise that it needs sound proofing.
Cabinet - This was traditionally made of real wood, but now more and more are made of weather resistant plastic. The latest cabinets are attractive and maintenance free. The cabinet contains all the major components of the Hot Tub such as pumps, plumbing ,motors and heaters, etc.,. This is what earns the Jacuzzi the discription of being "portable" the in ground spas are of course not portable but on all those cases they have a separate pump house away from the Jacuzzi.
Pumps - Various pumps are used perhaps a separate circulation pump depending on the design of the Hot Tub. Pumps are designed to push a high volume of water into the Jets of the hot tub, creating various hydrotherapy massage streams. The number of motors and pumps is in direct relation to the actual size of the Hot Tub the number of jets and the degree of therapy delivered.
Plumbing - Some careful consideration and calculations are required in order to be able to assess the water volumes and the required water flow required. Modern Hot Tubs will use a manifold plumbing system in order to ensure efficiency in the plumbing and at the same time keep the operating noise to a minimum.
Jets - Some Hydro Therapy Jets would be a good idea to introduce the water into the Hot Tub and here I would suggest not those simple bullet hole type that are un adjustable and are merely copied from decades ago but those that are fully adjustable. I would not buy a Hot Tub if the majority of the jets were unadjustable for one thing they can be painful.
This article is not meant to be exhaustive but designed to touch on a few key points.
The author Jacuzzi John (JJ) supplies premium quality American & European Hot Tubs from Estepona on the Costa Del Sol in Spain and his web site is at Hot Tubs Spain
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