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1
General Outdoor Furnace Discussion / What type of spray foam?
« on: May 29, 2015, 07:58:42 PM »
So I've decided to give my NC-175 one last shot before replacing it, albeit with one change. I plan on replacing the batt insulation with spray foam insulation. Any suggestions on what type of foam I should use?
Thanks.
Thanks.
2
General Outdoor Furnace Discussion / Re: Merry xmas everyone
« on: December 25, 2014, 09:08:35 PM »
Merry Christmas to all and to all a good night!
3
General Outdoor Furnace Discussion / Re: New Boiler Maybe?
« on: December 09, 2014, 07:30:51 PM »
fredaddy - lines are not the issue anymore - i replaced the lines this summer with Logstor.
hondaracer - approximately 12 pieces.
hondaracer - approximately 12 pieces.
4
General Outdoor Furnace Discussion / Re: New Boiler Maybe?
« on: December 09, 2014, 11:00:31 AM »
No in-floor heating, just baseboard radiant heat and DHW via a plate exchanger.
5
General Outdoor Furnace Discussion / Re: New Boiler Maybe?
« on: December 08, 2014, 08:59:14 PM »
Thanks for the encouragement Bud Man, I appreciate it. Everyone on this site has been awesome and I learn something everyday by reading the posts here. After reading here, I'm fairly certain that the unit is undersized for our heating demand. I get that I'm not burning 18 month seasoned wood, but I have to believe I should be getting more than 6.5 hour burns.
The load this morning was a combination of oak, maple and elm in 18"lengths, ~8" in diameter, seasoned approximately 6 months. Firebox had 4" of coals and was completely filled and burned to outage within 6.5 hours.
The load this morning was a combination of oak, maple and elm in 18"lengths, ~8" in diameter, seasoned approximately 6 months. Firebox had 4" of coals and was completely filled and burned to outage within 6.5 hours.
6
General Outdoor Furnace Discussion / Re: New Boiler Maybe?
« on: December 08, 2014, 07:29:01 PM »
So this is typical. I was travelling on business to NYC so I filled the boiler at 6:30 am before I left chock full with hard wood on top of 4" coal bed . Wife calls at 1pm and says the unit is basically out and the house is cold. 
Wife restarted the unit.
Home now and I set the temp back to 165 as recommended by RSI and we'll see what I get in the morning.
Question - will dealers install new units in the winter or am I better suited to wait until spring?
Thanks.
Wife restarted the unit.Home now and I set the temp back to 165 as recommended by RSI and we'll see what I get in the morning.
Question - will dealers install new units in the winter or am I better suited to wait until spring?
Thanks.
7
General Outdoor Furnace Discussion / Re: New Boiler Maybe?
« on: December 08, 2014, 09:39:14 AM »
Thanks guys. Sounds like my assumptions are in the ballpark. I'll drop the temp to 160 and see what happens but sounds like this spring I'll be in the market for a new unit.
With 4-6" of coals the temp starts to drop. I'll tinker a little more. I assume w logstar in the ground and a properly sized unit I should be golden though.
With 4-6" of coals the temp starts to drop. I'll tinker a little more. I assume w logstar in the ground and a properly sized unit I should be golden though.
8
General Outdoor Furnace Discussion / Re: New Boiler Maybe?
« on: December 07, 2014, 07:28:00 PM »
I am heating a 3k sq' house and DHW. The house is 14 years old and well insulated. My coal bed varies from 4-6+" in depth depending how soon I can get out to it i.e. every 8 or 10 hours, etc. Re: wood - never had a OWB until I bought this house (last November) and am trying to build up my "seasoned" wood piles, however; splitting 30+ chord last year was out of the question.
I've gotten a ton of excellent advice from the folks here and my OWB is certainly running better than last season, but still not getting quality burn times. The previous owner was a "cobb-artist" and I am beginning to think that he chinced out when buying this unit back in 2008.
I was talking to a person today with a Classic OWB brand OWB and he was telling me that he gets snow accumulation on top of his unit. I definitely do not, and when it rains or snows the top of my OWB steams. The previous owner did not have caulking around the stack or water filler (which I fixed) - could the insulation (batt) around my water jacket be shot and this is part of the problem? Maybe consider spray foam to get some better burn times?
I've gotten a ton of excellent advice from the folks here and my OWB is certainly running better than last season, but still not getting quality burn times. The previous owner was a "cobb-artist" and I am beginning to think that he chinced out when buying this unit back in 2008.
I was talking to a person today with a Classic OWB brand OWB and he was telling me that he gets snow accumulation on top of his unit. I definitely do not, and when it rains or snows the top of my OWB steams. The previous owner did not have caulking around the stack or water filler (which I fixed) - could the insulation (batt) around my water jacket be shot and this is part of the problem? Maybe consider spray foam to get some better burn times?
9
General Outdoor Furnace Discussion / New Boiler Maybe?
« on: December 04, 2014, 08:52:30 PM »
I'm beginning to wonder if my NCB-175 is under-sized for my house. I cannot get solid burn times out of my unit. NC specs say that the unit should heat up to 4k sq' and my house is 3k sq' and 15 years old (I also heat domestic hot water). I recently replaced the lines with Logstar and although I'm burning semi-green/seasoned hardwood (4-6 months), I can only get 8 hour burns or so. Some people I talk to get 16, 24+ hour burn times. Was thinking about calling P&M or Central Boiler for some quotes. What do you think?
10
General Outdoor Furnace Discussion / Re: Stack Flames
« on: November 16, 2014, 07:26:34 PM »
Wasn't a stack fire, I think RSI hit it on the head. Its definitely being forced by air out of the stack. My unit has the straight fire box stack and hinge/turnbuckle/flapper blower. I'll get a piece of steel plate to restrict the airflow, since my flapper is already set at a 1/2 inch or so. I would think this should save on wood too, no?
11
General Outdoor Furnace Discussion / Re: Stack Flames
« on: November 15, 2014, 08:53:03 PM »
I never paid attention to how for back the grate goes. I'll have to pull back my coal bed and take a look. I believe my boiler was made before 2009 because I have the older single sheet of metal roof. The boiler came with the house so I didn't buy it initially. would a steel plate work to cover it?
12
General Outdoor Furnace Discussion / Re: Stack Flames
« on: November 13, 2014, 08:04:22 PM »
Very similar to AirforcePOL it happens somewhat often, usually after stirring coals and adding wood while blower is engaged. I cover my wood with tarps that look like swiss cheese due to the ashes coming out of the stack.
My NCB175 is ~5 years old.
My NCB175 is ~5 years old.
13
General Outdoor Furnace Discussion / Stack Flames
« on: November 10, 2014, 08:30:02 PM »
Often at times I have flames shooting out of my stack. I have a NCB175 and I extended the stack with 3' of steel pipe. Is this normal/bad? I assume there is heat loss as a result, how do I trap the heat? Thanks.
14
General Outdoor Furnace Discussion / Re: major problem solved!!!
« on: November 10, 2014, 08:27:29 PM »
I too replaced triple wrap with logstar this summer and already see a difference. Instead of filling the OWB 5-6 times a day, I've been filling twice a day. Although, given the temps (50-60 degrees here), it still seems like I;m burning more wood than I should. I guess I'll find out when it gets colder. My settings are at 170/10. I have an 85' run and I'm getting 169 temp gauge readings inside the basement sending back 160 degree return temps to the OWB.
15
Plumbing / Re: Did my pump fail? Help Please.
« on: October 20, 2014, 07:01:38 PM »
Thanks Slim and JDFarmer. I'm new to this OWB thing and I have been fighting with our unit ever since buying this house last fall. It seems with this unit its one step forward two steps back. After replacing the shotty pipes with logstar recently, it is frustrating that there is yet another problem when I thought I'd be good to go. I ordered another pump to be on the safe side and between bleeding the pipes and replacing the pump hopefully that does it.
After replacing the shotty pipes with logstar recently, it is frustrating that there is yet another problem when I thought I'd be good to go. I ordered another pump to be on the safe side and between bleeding the pipes and replacing the pump hopefully that does it.