Water Heaters - whirlpool tub hot water problem
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adlerps
11-15-04, 08:43 AM
We moved into our new house and used our whirlpool tub for the first time.
Guess what, we ran out of hot water.We told the builder about the problem
and he had a plumber install a 40 gallon electric hot water heater to the
output my 48 gallon gas water heater (builder pick up the cost). I now get 120 degree hot water into my AKER 100 gallon whirlpool tube (average
operational volume 74 gallon).
My question is:
1 If I use the tub about every 5 weeks and I turn on the electric water heater a day before will there be a problem with bacterial in the water from the electric tank?
2 Will the electric hot water heater cost a lot to operate If I leave it on
all the time? I have a by-pass valves to both units. There are only two
people living in the house that require hot water.
3 Is there a better way to do this?
Any advise?
Thanks
Guess what, we ran out of hot water.We told the builder about the problem
and he had a plumber install a 40 gallon electric hot water heater to the
output my 48 gallon gas water heater (builder pick up the cost). I now get 120 degree hot water into my AKER 100 gallon whirlpool tube (average
operational volume 74 gallon).
My question is:
1 If I use the tub about every 5 weeks and I turn on the electric water heater a day before will there be a problem with bacterial in the water from the electric tank?
2 Will the electric hot water heater cost a lot to operate If I leave it on
all the time? I have a by-pass valves to both units. There are only two
people living in the house that require hot water.
3 Is there a better way to do this?
Any advise?
Thanks
KField
11-15-04, 06:57 PM
In my area at .08/kwh a 40 gallon water heater is OK for a family of 2 people (no hot tub) and it costs about $25/month for hot water. If you heat turn off the electric heater and bypass it, I don't believe you would have any bactreia issues. It's pretty dark in there and the water has to be pretty clean anyway. You would have to experiment with cost and convenience as to whether to plan ahead and turn it on the day before you use it. The only other way to do it would be if you could put an electric heater on the tub and recircualte through it to heat and maintain a comfortable temperature.
Ken
Ken
Pendragon
11-16-04, 08:03 PM
Yikes, hope that water isn't 120 when you get in it...
I've got a cadenza whirlpool (85 gallon usable) and a 50 gallon (electric) hot water heater set at 125 degrees.. it will run the water heater dry of hot water and then some, but it leaves the water at 105 degrees (the maximum recommended temp for a max stay of 15 minutes).. Inline heater on the tub keeps the water hot after that. Only takes about 30 minutes to re-heat the water in the tank.
I'm installing a gas tankless next year anyway.. estimates put my water heating at about 35-40% of my total electrical usage, and it's not the tub, as it's doesn't get used but maybe once a month.
I've got a cadenza whirlpool (85 gallon usable) and a 50 gallon (electric) hot water heater set at 125 degrees.. it will run the water heater dry of hot water and then some, but it leaves the water at 105 degrees (the maximum recommended temp for a max stay of 15 minutes).. Inline heater on the tub keeps the water hot after that. Only takes about 30 minutes to re-heat the water in the tank.
I'm installing a gas tankless next year anyway.. estimates put my water heating at about 35-40% of my total electrical usage, and it's not the tub, as it's doesn't get used but maybe once a month.