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[Fourced]

I was wondering if that spot would be ok or not. I will add another bung more twards the middle and a bit higher.

I plan on adding a temp gauge also.

[RSI]

Looking at the pics I am thinking it might be better to put it at the front instead if possible. Probably about half way between the firebox and the top of the water level.
If it has to be in the back, maybe between the top two fittings.

[Fourced]

Looking at the pics I am thinking it might be better to put it at the front instead if possible. Probably about half way between the firebox and the top of the water level.
If it has to be in the back, maybe between the top two fittings.

How long is the wire for the aquastat sensor? I would like to keep the workings in the back.

[RSI]

Rancos have about 8' long sensor cord. If you are keeping everything at the back it might be better to just put it back there. If it does boil you can always just drop the temperature a little. I would try to keep it higher than the top of the firebox though.

[lasor1]

If you will be circulating water 24/7 in your owb it won't matter were you put the thermostat it would be fine and with the water moving all the time it will at a consistent tempature all the time won't be like warmer in one location than another you know. Nice looking build you have going on there

[benj1975]

Ranco is the one I went with and it's very easy to use. Bought it for less then 50.00 bucks on EBay.

[dave_dj1]

I'm no expert but won't that exhaust pipe running through the water that long cool the smoke too much and cause creosote build up and other problems?
Other than that I like it

[Fourced]

I have seen others that had more in the  water than mine and they have no issues.

I will post how it goes when I fire it up.

[dave_dj1]

cool, I'll keep an eye out for it, I hope it goes well.

[AirForcePOL]

Nice lookin build! Keep us updated on the progress! I'm anxious to see house it turns out! 

[Fourced]

Thanks, got the insulated pex in the ground the boiler is setting in place and the power is run out to it. Now I can pour all my time into welding the exhaust to the firebox then welding the firebox to the water jacket, and eventually have heat!!!!

I also figured out a way to make my own temp sender wells, more to come later.

[Fourced]

Got more done, boiler is moved into place, all bungs are welded in, and the firebox/chimney is all welded together. I have 2 welds to finish before pressure testing, I am hoping to get that done this weekend and start on the door.

As a reference those 4x4's are 8 feet tall.


Here is my out put fittings on the inside, the 2 out side will feed the house and garage, the center 2 are a third loop if I ever need one.

[Fourced]

looking tward the firebox at the return pipes.

[Fourced]

 I love the wood heat, I no longer cringe when the furnace comes on.

Edit grabbed some pics of the door.

[martyinmi]

Great job!

Is the weight of the butterfly enough to close itself, or do you have a spring assisting it?

On one of my builds I had a similar set up. I had a little creosote build up on my hinged flap that allowed it to stay open about a quarter inch or so and my boiler came dangerously close to boiling over once, so I installed a small spring to help gravity out a bit. I went to the next size up washing machine solenoid (5 lb. pull maybe?) to compensate for the extra spring pull.