The question often arises from hot tub shoppers, whether or not they should purchase a 110 volt hot tub or a 220 volt hut tub. We have answered some of the most common hot tub sale concerns below.
The most common question is “which is better?”
While there are certainly more expensive hot tubs and cheap hot tubs in both 110 volt and 220 volt, the Spas N Stuff hot tubs for sale do not vary in quality, only features.
Neither unit is better, but 220 volt hot tubs are able to use more features than the 110 volt hot tubs, due to the larger electric circuit that they are connected to.
Regardless of the model, our outdoor hot tubs use the same quality of thick acrylic sheet, the same brand of electronics, heaters and pumps, the same expansion foam insulation, framing, cabinet material, and so on.
110 Volt hot tub difference #1…Heater Strength
We use the exact same heater in our 220 volt mid-size and small spas as we use in the 110 volt models. In a 220 volt hot tub, the heater is set to operate at 4 KW or 4000 Watts. That same heater in 110 volt hot tubs is set to operate at 1 KW or 1000 Watts. This is to help the spas total power consumption remains within the 15 amp limit of a typical household 110 volt outlet. This will mean that the spa will take longer to recover heat loss. Our portable hot tub spas automatically start to reheat when the temperature drops 1 degree F. Although 110 volt hot tubs have the same amount of insulation, the spa will need to run longer to recover from heat loss due to the heater operating at the lower 1000 watts.
110 Volt hot tub difference #2…Pump Strength & Jet Quantity
The 110 volt spa pumps simply are not as strong as the 220 volt spa pumps. This means they cannot pump as much water in terms of gallons per minute. To prevent the jets in the portable hot tub from feeling week, we cut back on the total number of jets. For example, our Avalon 220 volt spa has 28 jets, while our 110 Volt Avalon spa has 15 jets.
110 Volt hot tub difference #3…Heater Cycles
On all of our hot tubs, the pump that pumps the water through the heater is a 2 speed pump (high and low speeds). In many 220 volt spas, the heater can operate on whether the pump is on low or high speed. In the 110 volt hot tubs, the heater can only operate if the pump is on low speed. Again, this is due to the 15 amp supply of a typical household 110 volt outlet. If you are using the spa and the water cools by 1 degree and the pump is on high speed, you will see a heating indicator light on the electronic display, but the indicator will show the heater cannot turn on. When the pump is turned on low speed, the heater will be “allowed” to turn on by the computer controlled electronics system.
Can 110 volt hot tubs be converted to 220 volts?
In the case of our spas, the answer is yes. The heater will then operate at the stronger 4000 or 5000 watts. The pump will still be a 110 volt pump, so its operation will not change.
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