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BNO BBS - BNO's Bulletin Board System » THE ARCHIVES » Year 2006 » March 2006 » Gaps in hydronic heating and using fan type heater cores « Previous Next »

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captain ron (Captain_ron)

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Posted on Sunday, March 12, 2006 - 9:30 am:   

I seen in an earlier post about concerns about gaps in the heating system such as cabinets or shower stalls. Wouldn't that be a perfect place to run heat into a bay below that area?
Also will using small radiaters or heater cores with 12 volt fans eventualy cool the water too much? I would like to use one in each of my bays and one in each area that I need heat, bathroom,living room and bed room. I wonder how large or small of unit will it take to heat each area? I have one small one now about 6 inches square.
truthhunter@shaw.ca

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Posted on Sunday, March 12, 2006 - 10:33 am:   

At the risk of overworking the hydronic pump; could one just install the return lines from the heat exchangers, in the bays like "in floor radiaint heating" only on the bays ceiling were it won't get damaged. This would also allow for a warmer floor. This should be enough to keep it from freezing whatever is in the bays if the lines are long enough.
Cory Dane

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Posted on Sunday, March 12, 2006 - 11:56 am:   

I had a problem in my GMC motorhome. If you know anything about them, they have terrible heating and cooling systems.

The heat was barely good enough for the driver and copilot and nothing for anyone in the rear of the coach. My Greyhounds got so cold that we had to put the furnace on.

The GMC mh's have a boat type water heater, that uses the hot water from the engine to heat the water heater when in route.

I tapped into the engine hot water at the water heater and installed a heater core in the rear of the coach. I used 2 12vdc muffin fans to blow air across the heater core and into the coach. In addition, I added a relay to the furnace thermostat and that controls the fans on the heater core.

The last trip to florida was in January and the coach never got below 70 degrees going down or coming back up.

The muffin fans do not make a lot of noise and do not use a lot of power.

Just someting I had tried that worked very well.

CDane

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