|Posted by ED on January 13, 2004 at 19:16:03:|
|In response to Re: Need more hot water for whirlpool. What are the options?|
We'll let the crew ring in on this one as you have a lot of ?s.
The electric tankless heater is very expensive to operate and consumes a lot of power from (on avg.) 240V 30 amps on up to 120+ amps depending on capacity such as dual tank multiple elements, etc. You could have anywhere from one double pole 30 amp on up to 2 Double Pole 60 amps (breakers) or more.
Other than the smallest (double pole 30), if you have other 240 volt appliances such as range, dryer, etc., you "might" be able to get away with one double pole 60 amps tops. If you have electric heat, forget it. [Assuming 200 amp residential service]
An electrician can advise you, but the cost to use is expensive. The benefit is that the water does not sit around and cool down. You are using current only when you use water.
P.S. What is your current WH temp set at?
Some homes can get by with 50 gallons for one whirlpool. Although that takes most (if not all) of it.
That's my turn, who's next?
: I just installed a new large whirlpool/shower and the 50 gallon gas water heater we now have is insufficient (by a lot).
: We are considering the following
: As far as the tankless options go, we would either connect directly to exising heater (either between the existing heater and the outside main, or between the tub and the existing heater), or operate as a separate dedicated water supply to the whirlpool.
: Thanks for any information.
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