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To drain a hot tub, users should first turn off the power going to the tub. The best way is to turn the breaker to the off position.


Many companies across the country offer hot tub rentals. Some companies have on-site rentals available, often in conjunction with spa services, while others deliver hot tubs to the renter's home.


A hot tub has a control panel with which the temperature is set to the desirable level. A good system has a panel that shows both the actual temperature and a setting temperature, which should be easy to read and set even in poor lighting.


Dispose of a hot tub by disassembling the unit and cutting it into smaller size pieces that are of a convenient size for handling. Prior to beginning the project, read the unit's owner's manual, disconnect any electrical or gas connections, and drain the tub.


Hot tub foam has many possible sources, including soap residue, deodorant, body lotion and dead skin. These substances dissolve into the water and increase over time. The accumulation eventually attaches to air bubbles and comes up to the surface as foam.


Sudden or long-term immersion in a tub of hot water can heat the body and put stress on the heart, explains Cleveland Clinic. This poses a risk to individuals with existing heart disease. Exposure to hot baths and hot tubs can also cause male infertility, though the effects are potentially reversibl


A qualified and a licensed electrician must perform hot tub electrical installations. The law in the United States and Canada requires this. The electrician must follow the local codes.


Most 240 volt hot tubs use four wires to power the heater, pump and electrical systems within the tub. The red and black legs each provide 120 volts. The white leg is a neutral wire, and the green leg is a grounding wire. If the system is a three-leg system, it will only use the red, black and green


Determining the model number for a particular hot tub depends largely on the manufacturer. Master Spa hot tubs, for instance, print the year, make and model in the owner's manual provided with the hot tub at the time of purchase.


Jacuzzi and PDC Spas are two well-known hot tubs manufacturers in the United States. Jacuzzi creates and sells free-standing indoor and outdoor hot tubs, while PDC Spas sells outdoor hot tubs and swim spas.