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Country Discussion Topics
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On Demand Hot water Heaters
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Dennis    Posted 09-23-2001 at 14:48:00       [Reply]  [Send Email]
Hello All,
Does anyone use or has used an on-demand hot water heater, instead of the tank type for their homes and do they work as stated. Any information will be appreciated. I have a make and model# in mind but I would like to know first hand if they are as good as stated.

Thank you and GOD BLESS AMERICA!


Bill T    Posted 04-15-2002 at 14:35:48       [Reply]  [Send Email]
I'm checking instant water heaters myself because I'm sitting here with two 10 yr old, unused Thermar 220v units about the size of pencil boxes, wondering whether to install them. My St Thomas (rainwater) house is without hot water.

In So.Iowa I had, I believe it was called, an Aqua Star from France, propane, 15 yrs ago. It was very efficient. When it kicked in it was high BTUs and had a large vent compared to my efficient furnace. I didn't want that big "hole" through the roof letting heat out so included a bimetalic thermostatic damper in the 6" vent. On that model, a thermo sensor in the unit kept corroding and needing replacement - probably the high heat again when on. My boys still laugh at the face singe I got when it kicked in and I had the front off. For frequent off/on, such as when conserving water you might prefer the constancy of a tank type, also as someone said when running multiple simo uses you get cooler output - You just warn everyone when you'll be in the shower. It's a matter of changing habits and then it's actually great. House buyers might balk at it.

ret    Posted 10-01-2001 at 18:53:17       [Reply]  [No Email]
was in England 15 years ago, aunt had one in the bathroom, looked 50 years old at least. It sure worked good, water was HOT, and kept coming. wonder why they are not popular here, they sure are nore efficent and have to be cheaper. We are behind in some things in this country
just a thought

OW    Posted 09-24-2001 at 10:34:00       [Reply]  [No Email]
We installed one under a sink in a darkroom about 15 years ago, still works good. You can't make it run out and it only comes on if -----

1) the faucet is opened or
2) if it contents get down toward freezing(won't allow itself to freeze)

I think it was a 2-gallon Sears.

Sue    Posted 01-03-2002 at 13:44:09       [Reply]  [No Email]
My husband and I have been building our own house for a couple of years. About 3 months ago we installed an on-demand hot water heater. It does seem to work as advertised but if you expect to be able to use multiple hot water appliances at once, you will be disappointed. You will get unlimited hot water from a single source (shower). And it is hot - but you can control both the flow rate and the temperature. A warning: we live in a very cold climate (Minnesota) and when we purchased the unit it did not come with the freeze kit. The instructions stated the unit must be placed in an area that did not fall below 30 degrees. Well, since it is in the utility room we thought we were O.K. However, the vent hole through the house (it is a foam-form concrete house) is nearly a foot in diameter which allows an incredible amount of cold air to get to the heater itself. Since it keeps no hot water in the heater it is unable to combat the bitter cold and is susceptible to freeze-up. Buy the freeze kit. One last thing, the manufacturer/model we bought is no longer imported into the US so if possible, try to buy a USA made unit
Good luck!

mike    Posted 10-09-2001 at 17:05:20       [Reply]  [No Email]
I checked with 2 sears stores a couple days ago.
Both said sears Doesn't sell on demand heaters.
The 2 gallon they have in stock is a regular
water heater with a 1400 watt element.

Tita Rolo    Posted 07-02-2002 at 19:02:30       [Reply]  [Send Email]
Mother in Oceanside looking for costs on an on-demand water heater for a mobile home..Do you have any information at all?

Old Sarge    Posted 09-23-2001 at 17:02:45       [Reply]  [Send Email]
They have had them for over 40 years in Germany. Even some of the earlier married mens quarters had them then. They were of local manufacture and really effecient.

One thing though, the water gets hot really quick, and I do mean HOT. Don't stand under the shower when you turn the hot water on without having your hand on the cold water tap. You'll have a pretty RED hue, not a tan.

Okie-Dokie    Posted 09-23-2001 at 16:58:57       [Reply]  [Send Email]
I don't have one, but I have some experiance with my brother's system. Seems like you don't have to let the water run so long befor it gets hot. I think it would be more economical for the Mrs. & Me, now that all the kids are grown. I imagine that when the old tank gives up the ghost we will replace it with the on demand type.

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