All you need to know about Whirlpool and Spa baths
WHIRLPOOLS AND AIRSPAS (Jacuzzi and Airbath):
There are two type of hydro massage bathing systems:
1. Whirlpools, more commonly known by the brand name Jacuzzi.
2. Airspas, more commonly known by the brand name Airbath.
Whirlpools are characterised by having jets on the side of the bath about half way up and a suction point (similar to a colander) in one of the bottom corners. This type of system produces hydro-massage by sucking water from the bath and pumping it out of the jets on the side under pressure. To increase the pressure of the jets most whirlpools have a control on the top of the bath which allows air to be sucked in to the jet of water.
The main difference between a whirlpool and a Jacuzzi is that the size of the jets is bigger on the Jacuzzi and the air and water mix is different. This difference produces a more powerful jet of water with the Jacuzzi (whether this amount of power is necessary with a standard domestic sized bath is a matter of opinion).
The difficulty with all whirlpools is that they hold a small amount of water in the jets and pipe work when...