AIM
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As I have posted in the past I installed my homemade OWB a couple years back and have complained about my lines being wet and losing tons of heat keeping the worms warm. My original plan was simply to retrench in the good foamed in pipe. Well I went a different route.
I was always going to build a lean too off the side of my garage for wood storage so I decided that putting the boiler under roof was an even cooler idea. I poured the concrete and am currently building the structure. Last weekend I drained the boiler and using a friends crane truck swung it into place. I ran new 3/4" lines above ground through my garage and to the house. They go underground for 12' between the house and garage ran though 4" sch 40 pvc.
Once the lean too is done it will be completely enclosed and out of the weather. No more feedings at 0° with a 30 mph wind. No more standing in the freezing rain digging wood out of the ice. Hopefully it will stay at least above freezing in the lean too plus this will aid drying the wood out.
My insurance is a big problem but with proper use of steel siding and a steel roof I shouldn't have any issues.
I will say that I couldn't decide wether or not to run 1" or 3/4" lines. I went with 3/4" simply due to 1" being such an ANIMAL to work with. I run 2 pumps. One for house and one for the garage. The house has an 18" X 20" exchanger so i figure that with such a small exchanger 3/4" would be just fine and so far it is. (it's not that cold out yet either)
My only problem so far is runaway water temp. My inducer fan kicks off at 140° but my water will climb to 190° just due to natural draft. It then takes so long for my water temp to get low enough to kick the inducer back on that my fire goes completely out. I figure that this is a good problem to have. Before with the wet lines my water temp seldom went 10° over the inducer setting and would cool quickly.
I'll post pics today as I'm continuing to work on it.
I was always going to build a lean too off the side of my garage for wood storage so I decided that putting the boiler under roof was an even cooler idea. I poured the concrete and am currently building the structure. Last weekend I drained the boiler and using a friends crane truck swung it into place. I ran new 3/4" lines above ground through my garage and to the house. They go underground for 12' between the house and garage ran though 4" sch 40 pvc.
Once the lean too is done it will be completely enclosed and out of the weather. No more feedings at 0° with a 30 mph wind. No more standing in the freezing rain digging wood out of the ice. Hopefully it will stay at least above freezing in the lean too plus this will aid drying the wood out.
My insurance is a big problem but with proper use of steel siding and a steel roof I shouldn't have any issues.
I will say that I couldn't decide wether or not to run 1" or 3/4" lines. I went with 3/4" simply due to 1" being such an ANIMAL to work with. I run 2 pumps. One for house and one for the garage. The house has an 18" X 20" exchanger so i figure that with such a small exchanger 3/4" would be just fine and so far it is. (it's not that cold out yet either)
My only problem so far is runaway water temp. My inducer fan kicks off at 140° but my water will climb to 190° just due to natural draft. It then takes so long for my water temp to get low enough to kick the inducer back on that my fire goes completely out. I figure that this is a good problem to have. Before with the wet lines my water temp seldom went 10° over the inducer setting and would cool quickly.
I'll post pics today as I'm continuing to work on it.