Heating using the hot water tank.

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Re: Heating using the hot water tank.

Postby MtnDon » Tue May 03, 2016 3:14 pm

:thumbsup: :applause:
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We have a small off grid cabin we built ourselves in the NM mountains; small PV solar system; 624 watts PV, Outback CC & inverter/charger ... http://countryplans.com/smf/index.php?topic=2335.0
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Re: Heating using the hot water tank.

Postby Shadow Catcher » Tue May 03, 2016 3:46 pm

Yep merit badge :twisted:
I will be playing with it, I am thinking of using a PWM to regulate pump speed.
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Re: Heating using the hot water tank.

Postby Iconfabul8 » Fri May 06, 2016 7:36 am

I just finished reading this whole thread, congratulations on your working confabulations! One question that I still have is, have any of you documented how often the water heater is cycling? How do you think this will affect the longevity of the water heaters? By the way I have a 6 X 12 on order and am looking forward to posting a few pics of my own soon.
Last edited by Iconfabul8 on Sun Sep 25, 2016 1:44 am, edited 1 time in total.
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Re: Heating using the hot water tank.

Postby Shadow Catcher » Fri May 06, 2016 8:00 am

Since there are far too many variables as to how much heat will be needed vs insulation and volume of the space to be heated I don't that that can be answered. The water heater however I would think will not be affected a huge amount. Since it is a closed loop scaling should not be significantly increased, the burner is simple and easily replaced, as are the electrical components.
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Re: Heating using the hot water tank.

Postby bonnie » Sat Sep 24, 2016 9:18 am

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Re: Heating using the hot water tank.

Postby lrrowe » Sat Sep 24, 2016 9:35 am

Shadow Catcher wrote:Since there are far too man variables as to how much heat will be needed vs insulation and volume of the space to be heated I don't that that can be answered. The water heater however I would think will not be affected a huge amount. Since it is a closed loop scaling should not be significantly increased, the burner is simple and easily replaced, as are the electrical components.



I agree.
And with mine, My very unscientific opinion is that it really does not cycle that much more as there is very little water being circulated. Also the temperature you set your water heater on makes a difference also. I keep mine on the lowest level.
Bob

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Hot water infloor and radiator heating project:[url]http://www.tnttt.com/posting.php?mode=reply&f=54&t=62327[/

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Re: Heating using the hot water tank.

Postby Iconfabul8 » Sun Sep 25, 2016 1:49 am

I still think someone should be able to count how many times the water heater cycles in an hour vs when the heater isn't running.
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Re: Heating using the hot water tank.

Postby lrrowe » Sun Sep 25, 2016 6:37 am

For me, it is too warm to fire it up and I know mine works and am not inlined to sit and count. There are also too many variables to consider. Wind, temperatures outside, window or vent openings (amount and frequency) how many people are in the cabin, how big is the circulating fan, what type of heat exchanger are you using, how fast is the fluid flowing and how much volume are we talking. And so fort and so forth. Again for, why bother?
Bob

First Post on Purchase of Trailer: http://www.tnttt.com/viewtopic.php?f=42&t=60722
Hot water infloor and radiator heating project:[url]http://www.tnttt.com/posting.php?mode=reply&f=54&t=62327[/

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Re: Heating using the hot water tank.

Postby ELM » Sun Sep 25, 2016 9:23 am

We'll be in Yellowstone in a week for four days and will be giving our heater a good test. It looks like the temps will be in the 40s and 50s for a high and 20s to 30s for the lows. I will report back to let you guys know how the heater worked and how many times the hot water heater cycled and how often the heater comes on.
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Re: Heating using the hot water tank.

Postby lrrowe » Tue Nov 29, 2016 6:24 pm

ELM wrote:We'll be in Yellowstone in a week for four days and will be giving our heater a good test. It looks like the temps will be in the 40s and 50s for a high and 20s to 30s for the lows. I will report back to let you guys know how the heater worked and how many times the hot water heater cycled and how often the heater comes on.


ELM, how did you make out?
Last week while in hunt camp, I kept mine at 60 F and we were very comfortable. In fact I had to remove my sweats for warmth and open the sleeping bags up with 2 and three persons inside. The temps ran in the 60,s during the day and one night got down to 24 F.

I do need to work on my fan. It is my second (first broke-actually I broke it) one and the same model as ShadowCatcher uses. The air flow seemed a little slow last week. Do not know what the problem, if any, may be.
Bob

First Post on Purchase of Trailer: http://www.tnttt.com/viewtopic.php?f=42&t=60722
Hot water infloor and radiator heating project:[url]http://www.tnttt.com/posting.php?mode=reply&f=54&t=62327[/

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Re: Heating using the hot water tank.

Postby lrrowe » Sun Dec 11, 2016 9:55 pm

To Shadow Catcher, Mtn Don or anyone else who has tried the hot water tank heater hack for trailer heat, I just had a thought that if I could find a used fantastic fan ceiling pan, that I could use it behind my water radiator to have plenty of variable CFM power. I say "used" because it might get the cost down to a low level as I do not need all the trim, hood and all that.

Do you have any thoughts on this?
Bob

First Post on Purchase of Trailer: http://www.tnttt.com/viewtopic.php?f=42&t=60722
Hot water infloor and radiator heating project:[url]http://www.tnttt.com/posting.php?mode=reply&f=54&t=62327[/

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Re: Heating using the hot water tank.

Postby Shadow Catcher » Sun Dec 11, 2016 11:00 pm

I used a 100 mm case fan and at seven or eight bucks I do not think you can do much better. you can go to 160 mm if you have that large a radiator. You can vary the speed using a cheap Chinese PMW controller.
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Re: Heating using the hot water tank.

Postby Socal Tom » Wed Dec 14, 2016 4:57 pm

lrrowe wrote:
ELM wrote:We'll be in Yellowstone in a week for four days and will be giving our heater a good test. It looks like the temps will be in the 40s and 50s for a high and 20s to 30s for the lows. I will report back to let you guys know how the heater worked and how many times the hot water heater cycled and how often the heater comes on.


ELM, how did you make out?
Last week while in hunt camp, I kept mine at 60 F and we were very comfortable. In fact I had to remove my sweats for warmth and open the sleeping bags up with 2 and three persons inside. The temps ran in the 60,s during the day and one night got down to 24 F.

I do need to work on my fan. It is my second (first broke-actually I broke it) one and the same model as ShadowCatcher uses. The air flow seemed a little slow last week. Do not know what the problem, if any, may be.


Can you post some pictures of your setup? Perhaps we can make suggestions on ways to improve the airflow?
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Re: Heating using the hot water tank.

Postby lrrowe » Thu Dec 15, 2016 9:03 pm

Sure...will do it when I get home after this weekend. I am in Arlington, VA getting ready to help lay reefs at the graves of our fallen heros at Arlington National Cemetery on Saturday.
Bob

First Post on Purchase of Trailer: http://www.tnttt.com/viewtopic.php?f=42&t=60722
Hot water infloor and radiator heating project:[url]http://www.tnttt.com/posting.php?mode=reply&f=54&t=62327[/

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Re: Heating using the hot water tank.

Postby bdosborn » Sat Dec 17, 2016 9:07 pm

lrrowe wrote:
I do need to work on my fan. It is my second (first broke-actually I broke it) one and the same model as ShadowCatcher uses. The air flow seemed a little slow last week. Do not know what the problem, if any, may be.


There are two kinds of PC fans, one that is made to be used in cases with very little air restriction (air flow fan) and one that is made to push air through a radiator (static pressure fan). A case fan won't be able to move much air through a radiator.

Difference between fans linky

Here's the best static pressure fan that all the PC modders use: Noctua Fans. With Noctua, a P in the catalog number indicates it's a pressure fan. Noctua is super quiet and kind of expensive but the high quality makes them worth the price IMHO. I've been building home servers lately and I put them in all my machines.

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