Your tub should be placed as close as practical to your outdoor outlet if your tub operates using 110 volts and a standard electrical plug.
You are now ready to give your hot tub some power! Your tub should be placed as close as practical to your outdoor outlet if your tub operates using 110 volts and a standard electrical plug. The outlet you use should be both waterproof and ground fault interrupted (GFI).
You will need to do things slightly differently if you have a 220 volt hot tub. Your tub can be wired directly into your home electrical system, a process called “hard wiring”. The first thing you need to do is locate your circuit breaker box and find the 220 volt circuits. Once you have found them, they are the ones with double breakers, you need to determine if you have any room left in your circuit breaker to add another item. If there are no circuits available you can install a 60amp 220V circuit, or let an electrician handle the task for you. An electrical disconnecter that is water tight and has a 40amp fuse should be installed on the outside wall nearest to the hot tub. This will give you added safety, as well as prevent the operation of the hot tub from overloading the circuit.
Depending on which electrical set up you have you will then need to attach the power cord to either the GFI or the disconnecter. This is not a good time to turn your hot tub on and check your connections as you could blow out the hot tub pump if you run the unit without water.
You tub should be filled about 4/5ths full of water will the garden hose. After it is full you can check the operation of your jets and blower. Now it is time to turn on the heater and allow the water to warm up and move around. The tub should be filled to about 6 inches below the top once the jets and blower have been turned off.
It will take between 3 to 8 hours to heat up the water in your hot tub to about 99° F the first time. The length of time depends on a variety of factors, including the size of your hot tub, the power of your heater (a 220 volt model will heat up faster), and the starting temperature of your water.
Once your hot tub has reached the desired temperature there is nothing left to do but hop in, relax, and enjoy.