Water Heater Size For Whirlpool Tub

Now you need to understand what temperature rise means.

Water heater size for whirlpool tub.

Before we talk about tankless hot water heaters here is a recap of the above. Usually most homeowners find that either a 40 or 50 gallon hot water tank is the best fit for their needs. If filling a fairly large whirlpool tub is something you like to do you re stretching the capacity of a 50 gallon standard water heater. You should post a photo that sounds like a cool tub but an average hot water heater is 40 gallons it would take 2 3 tankfuls to fill that tub.

The water heater tank should be about 2 3 the size of the bathtub. 03 18 2012 at 6 35 am. We fill it halfway wait about 40. Incoming water temperature is a critical consideration which varies by region and season.

Determining if a water heater is large enough for a bathtub is actually pretty simple. However every family has different water demand requirements. 1 or 2. You can estimate the necessary tank capacity in gallons based on the number of people in the house.

A very small bathtub might hold 40 gallons while a larger single person bathtub could. Tankless water heater sizing calculator. A 15 amp circuit is the minimum standard but a 20 amp is better and is required by some tub manufacturers. For example if you have a 40 gallon water heater it would be just large enough for a 60 gallon bathtub.

This will happen if the water heater isn t large enough for the bathtub. We have a 6 foot whirlpool tub in our bathroom that we hardly use because filling it takes more than an hour since we only have a 40 gallon water heater. We already covered gpm. For tankless water heaters the key criterion is hot water flow rate.

If your whirlpool tub is equipped with a heater you will need an additional 15 amp gfci receptacle. Before we get to how to use the calculator to size a tankless water heater let s talk about the factors that go into understanding what size inline water heater you need. Typically residential water heater sizes range from 40 to 100 gallon tanks. Your tub is only halfway full and you re out of hot water.

For a tank style heater household size is a simple indicator of hot water needs. A standard whirlpool tub requires one 15 amp gfci receptacle to run the motor.