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Old July 26th, 2007, 09:32 PM   #21
FrankNBrew
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BTW, here's what S. Knudsen of Bella Vista, Arkansas had to say about it:


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Ever since we moved into our new house my wife has complained about how long it took the hot water to get to the kitchen sink from the hot water heater in the garage. Since installing the Ariston GL 4, she has been ecstatic!! Hot water is instant. It is such a pleasure not to have her complain about our former water problem. Even when I am "forced" to do the dishes, I can't complain about our lack of hot H2O. Installation was easy except for the ill-fitting two top fittings. They will accept the hose extentions (hardware store), but you must be firm and patient. It took away alot of our storage space beneath the sink, but it was worth it.
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Old July 26th, 2007, 09:33 PM   #22
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If it is truly just the time it takes to get hot water to the faucet or shower then definitely go with a domestic recirc pump! If it the amount of water that you have then go tankless. For the recirc line you have to put it on the farthest hot water line from the heater. I have installed these systems before in the commercial/industrial aspect it works great. I have not done any instant water heaters. I am not a plummer though.
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Old July 26th, 2007, 10:23 PM   #23
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yeah guys iam pretty sure she is talking about the under the sink version for like making instant tea and coffe n stuff not for the whole house
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Old July 26th, 2007, 10:24 PM   #24
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BTW, here's what S. Knudsen of Bella Vista, Arkansas had to say about it:
So your saying Miffys complaining? :tonka:
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Old July 26th, 2007, 10:35 PM   #25
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So your saying Miffys complaining? :tonka:
Yeah, that post was more pointed at Grandman.

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Old July 27th, 2007, 12:05 AM   #26
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sorry had grandkids tonight, no replacing the electric water heater. we have very hard water up here and go through electric ones fast. by the sounds maybe we should go with a gas heater and one of those things for under the kitchen sink.
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Old July 27th, 2007, 07:51 AM   #27
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If your killin waterheaters because of the water condition then it sounds like you should get a reverse osmosis system or a softener before putting more money into the tankless systems. Otherwise seems like you would be pissin up a rope.
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Old July 27th, 2007, 08:55 AM   #28
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We have the recirc system in our house and it is great. I don't believe it has an actual recirc pump on it. IIRC it just heats at the water heater and the hot water rises into the house and the cooler water is pushed back down to be reheated. It increases your energy useage a little bit due to more frequent water heating, but I am sure it is a minimal increase.
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Old July 27th, 2007, 12:10 PM   #29
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If you HAVE hot water, why do you need to heat it with a Hot Water Heater?


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Old July 27th, 2007, 12:36 PM   #30
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Quote:
Originally Posted by 84Scrambler View Post
We have the recirc system in our house and it is great. I don't believe it has an actual recirc pump on it. IIRC it just heats at the water heater and the hot water rises into the house and the cooler water is pushed back down to be reheated. It increases your energy useage a little bit due to more frequent water heating, but I am sure it is a minimal increase.
can't say for sure, but the way you explained it. sounds like a recirc pump system.

the recirc pump is installed (usually) at the most remote hot water faucet from the tank. the pump operates on temp, when the hot water at that faucet falls below a predetermined temp, the pump starts. pulling hot water from the tank, and returning on the cold water side.
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Old July 27th, 2007, 03:21 PM   #31
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I have a 6 gallon/min Rinnai in my house running on propane and I never looked back. Can run everything at once, set it at whatever temp you want, and it doesn't take long to get hot at all. Its mounted on the wall in my crawlspace. Moving it there allowed me to remove all the utilities from my basement rooms.

I also have an insta-hot tap at the sink that is electric.
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Old July 28th, 2007, 08:52 PM   #32
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I have a 6 gallon/min Rinnai in my house running on propane and I never looked back. Can run everything at once, set it at whatever temp you want, and it doesn't take long to get hot at all. Its mounted on the wall in my crawlspace. Moving it there allowed me to remove all the utilities from my basement rooms.

I also have an insta-hot tap at the sink that is electric.
Rinnai is very good system, it is top of the line also as for price.

you have to be certified by Rinnai to even be able to purchase their equipment.
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Old December 28th, 2007, 09:11 PM   #33
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Any suggestions on who installs tankless whole house water heaters in Oakland county. I have gotten one quote so far but if theres a plumber on the board id rather support them. Thanks

Grumpy
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Old December 28th, 2007, 09:13 PM   #34
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Any suggestions on who installs tankless whole house water heaters in Oakland county. I have gotten one quote so far but if theres a plumber on the board id rather support them. Thanks

Grumpy
You mean like "Rob The Plumber"? :tonka:
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Old December 28th, 2007, 09:16 PM   #35
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Insulate your pipes. It will help.
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Old December 28th, 2007, 10:19 PM   #36
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The higher end tankless heaters work very well. The horror stories you hear are generally from improper installation. They can be finickey with venting, and can clog quickly if you have bad well water.

This type of heater will never change how long it takes to get across the house though. You need a recirculating system to fix that. There are retro-fit kits that work pretty well, but the traditional system involves a pump and a dedicated return line.

Rinnai, Takagi, and Nortiz are the tankless heaters I recommend. The Bosch is a step down, and the Cheaper ones are junk. I have my "Rinnai license", and I am a master plumber.

A tankless heater will cost a little over $1000 alone. Rinnai's use a concentric vent pipe that is very expensive. Like $80 for an 18" piece of pipe. They require a 3/4" gas inlet, and the existing piping has to be obviously reworked. $500-$700 is a pretty decent install price. The phone book companies charge over $1000.
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Old December 29th, 2007, 12:34 AM   #37
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OK, I've been drinking and am ready to go to bed, and this is an old thread with new posts. I work in the HVAC business, we install Rinnai HWHs (yes, "hot water heater" is redundant). The people who have them love them. They are expensive to install, and require maintenance, which means you have to pay someone to drain out the pipes, bleed them, change filters etc. at regular intervals, ESPECIALLY if you have anything like bad water. (Most people like stuff that does not require any sort of maintenance. I never thought of changing the filter on my furnace before I worked for an HVAC company.) If you don't mind keeping a calendar to keep track of your home appliances, tankless HWHs are awesome. They save you and the environment in the long run. The end, I'm going to bed. :chiefwoohaw:
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Old December 29th, 2007, 02:08 AM   #38
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I just scraped one out two weeks ago.
I think Kohler made it and it was electric and stored about a one or two gallons of water and kicked the temp up to 140 if needed.
It was great but my dad is redoing there place up north and didn't want to use in a Cafe.

It was kind of like the one FrankNBrew posted a link to.
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Old December 29th, 2007, 07:23 AM   #39
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Had one it the house my mom and dad built when I was a kid, they are great. We could take showers 1 after the other and never run out of hot water and there was 5 of us! When a water heater goes this is the only replacement IMO!
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