Re: Outdoor wood boiler

Posted by RMinVa on March 02, 2014 at 17:13:34 from (99.196.57.15):

In Reply to: Outdoor wood boiler posted by Keith Molden on March 02, 2014 at 16:01:12:

I have a 4436 central boiler I bought used. It's a 2005 model and I've been running it going on 5 years now. I've always heated with wood and some propane till I purchased the CB. All wood now.

As said above they use a lot of wood but my house stays warm too. I live in a house built in 1917. I did rip out the walls and insulate but am going back each year and using spray foam closed cell insulation as money allows. So each year it takes a little less wood.

I burn year round. Just heat hot water in the warm months. Sure did cut the power bill down to size too. I use a 20 plate exchanger and have endless hot water as long as there's a fire in the stove. Very simple setup. I have no hot water tank. Just on demand hot water. Going to add a faucet this spring so I can feed my pressure washer 140 deg. water too.

If you decide to buy one of any brand make sure you use the best insulated underground pipe. It saves a lot of wood that can be wasted underground of not insulated proper.

I installed mine 100 ft. from the house. I put up one of those metal carports 18'x22' I think and the unit sits under it except for the flu pipe that sticks out the back. Wood stays dry and so do I when filling.

If you're going to install yourself there a few things you need to know before you start. If it's installed by a dealer then forget the first sentence of this paragraph.

No matter what a dealer tells you buy the largest water to air exchanger that will fit your plenum. I did that and sure glad I did.

I use a wireless digital thermometer with sensor on the copper tube of the exchanger and receiver in my house. I can tell how hot the water is without going outside. I use this to tell me when to refill with wood and also if it starts to overheat. Only had overheating 1 time and caught it before it melted the pex pipe. The temp sensor was about $45 and has been well worth that price to me. Saves me lots of trips to the stove. It's made to use on cooking grills but works great on the wood boiler as well.

Ok I got long winded on this and will stop now. Go to the link I posted here and look at Firewood, Heating and Wood Burning Equipment. Read, read, ask questions and read some more. Then decide what you want to do.

• http://www.arboristsite.com/community/

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