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Old 11-09-2008, 08:36 AM   #1
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Radiators: water vs steam

I recently installed a outdoor wood boiler to heat my house in New
Hampshire before the heavy snow arrives and the price of oil bankrupts me. Its working so good I want to run a seperate thermopex line to my
garage just to keep the temp. above freezing and thaw out the cars over night.
So I've got 160-180 degree water constently circulating and my thought is to place several radiators in the 26' x 36' garage.
What's the difference between a steam radiator and hot water one that I can pick up used on craigs list. Can a steam one be converted.
Besides radiators are there any other options I'm missing.
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Old 11-09-2008, 10:04 AM   #2
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I would think just about any radiator should work. From a Ford truck radiator with a box fan behind it to 30ft of fin tube. A way for the hot water in and out, an air bleed and of sufficient size to warm the space. Biggest down fall is system interruption's (freezing pipes) can we say messy! Thats my 2 cents


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Old 11-09-2008, 05:44 PM   #3
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just the connections the steam is getting the one pipe(steam) with a air vent.the hot water is required 2 pipes running out to the garage(one supply one return)into it.you might want to go with a loading dock style heater round(hangs from the rafters) to catch the entire garage.those doors are going to pull the heat.they have what they call heat curtains.... that blow heated air down mounted over the doors which would do a nice job keeping the entire place warm.if you can catch those doors iin the winter the balance of the heat used will satisfy the garage.if you have a HD around(who doesn't) check out the static heaters they have over the register areas or the gargae door to maintain the heating in the winter ...MODINE http://hot-dawg.modine.com/ is a leading brandcheck other products there.... and www.grainger.com is a source for unit heaters DIYers welcomed over the counter there not to technical but a cheaper source.

Last edited by biggles; 11-09-2008 at 05:54 PM.
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Old 11-10-2008, 04:34 AM   #4
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You can convert a single pipe steam rad to a hot water rad.
You have to plug the vent hole.
And drill and tap a new one at the top.
Plus, remove the plug in the bottom side that the pipe isn't ran to.

Its a PITA to do, but I've done it quiet a few times already.
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