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Old 05-02-2012, 10:01 PM   #46
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Tankless Water Heater


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Originally Posted by Missouri Bound View Post
...and you think that little pump is what is making the hot water?....and you think it's saving you money? When that little pump runs it tells the energy hog tankless to kick on, and that's much worse if it's electric rather than gas....and you still waited a minute for the water, just did something else while waiting.
Thank you. I don't know if he's just being stubborn because he's made such a big deal about it now, but after reading through all of that, I still see a time delay between recirculating pump turning on & hot water coming out of the faucet.

I know i'm not crazy, I just know it!

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Old 05-02-2012, 10:07 PM   #47
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It's funny, most people who spend a great deal of money on anything will never admit how poorly it performs. Typical electric tankless can save, in an ideal residential situation about $2.00 a month. Now in order to save that you have to adjust your habits. In commercial installations I think they are great, mostly because they truly do offer continuous heated water. But those installations are commonly public bathrooms or other single use applications where there aren't conflicting uses...such as opening two faucets at once. The life expectancy is long for tankless, some say 20 years. That just may be enough to calculate the savings to justify it's purchase....of course by then you need another one. And since most residential meters calculate demand by the highest peak, one blast from the tankless will create that, some require 120+ amps to operate.
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Old 05-02-2012, 10:18 PM   #48
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who said electric tankless look at post 1 he says gas
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Old 05-03-2012, 05:45 AM   #49
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I run water for a shower and finish, turn the water off and dry then my wife comes in for a shower, she will turn on the water and initially the water will be pretty warm but since the burner in the heater has been off, there will be cold water entering the water heater....This causes about 10 seconds of cold water to load up in the pipes so the shower will turn cold for awhile.
I do not see a problem with the wife getting doused during her shower with cold water that is "sandwiched" between pockets of warmer water in the pipes. I would personally wait around the corner everyday until it happens and laugh my ass off.

Just my opinion.

Last edited by hammerlane; 05-03-2012 at 05:55 AM.
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Old 05-03-2012, 06:12 AM   #50
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Tankless Water Heater


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Tankless water heaters are over rated.
We know a couple who decided to get a tankless. They were under impression that the hot water was instant. To their dismay after shelling out about $1600, they still had to wait for the cold water to purge out of the lines after a long non-use period.


I guess this debate on tankless vs. storage will never be settled. Just like the debate on should the bottom edge of a toilet flange be on the finished floor or should the top edge be flush with the finished floor??
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Tankless Water Heater-closet-flange-flush-not.jpg  

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Old 05-03-2012, 10:07 AM   #51
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I have never mentioned anything about the cost of operation. I also know, even with a tanked water heater, that there is a delay for getting hot water to the faucet - it's what is in the pipes. My only question was for convenience and not running any extra water into the septic system because the heater needing some time to get the coils hot (10 to 15 seconds).
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Old 05-03-2012, 10:10 AM   #52
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I have never mentioned anything about the cost of operation. I also know, even with a tanked water heater, that there is a delay for getting hot water to the faucet - it's what is in the pipes. My only question was for convenience and not running any extra water into the septic system because the heater needing some time to get the coils hot (10 to 15 seconds).
My comments were a generalization, not necessarily directed at you...I apologize if it came off that way.
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Old 05-03-2012, 09:04 PM   #53
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Tankless Water Heater


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Originally Posted by a7ecorsair View Post
I have never mentioned anything about the cost of operation. I also know, even with a tanked water heater, that there is a delay for getting hot water to the faucet - it's what is in the pipes. My only question was for convenience and not running any extra water into the septic system because the heater needing some time to get the coils hot (10 to 15 seconds).
With a storage tank water heater and a recirculating system you can eliminate the wait for hot water. You cannot do this without some kind of storage tank.
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Old 05-04-2012, 12:08 AM   #54
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wow I=V/R
man alan you just can not give up with the storage tank thing. so i will tell you that you are right and the to links i have given are wrong. so my question is prove it to them, that they have to have a storage unit if using recirculating pump and then hire a lawyer and sue them for false advertising and let me know first if you get a lawyer and second let me know how much money you were awarded since no one else understands but you.
http://www.gothotwater.com/
http://video.pbs.org/video/2195214406/
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Old 05-04-2012, 08:24 AM   #55
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wow I=V/R
If you are questioning my choice of letters, in electronics voltage is represented by the letter E. It's like how did I get to represent current instead of C
Thanks for the replies to my GAS Tankless Water Heater
Oh, BTW, my neighbor has a septic system where poop flows uphill....

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Old 05-04-2012, 09:12 AM   #56
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lol no i posted the ohm equation because i know you would understand the joke.since there is a lot of resistance about a recirculating pump on a tankless
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Old 05-04-2012, 09:17 AM   #57
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