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Plumbing / zone valve question
« on: February 05, 2015, 09:16:47 AM »
I have a pressurized wood/oil system whereby I must keep a zone valve locked on at all times. this morning I noticed one of my valves had reset to normal operation. its an erie valve with the lever to lock open when needed. there is also a slide switch under the lever that says actuator switch that I havnt moved because I don't know what it does. why would the valve reset from locked open to normal use?
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General Outdoor Furnace Discussion / help me tweak my system
« on: December 21, 2014, 07:13:27 PM »
just got my wb online last week and like everything but would like to see if someone can help me increase my burn time. 20 plus year old glenwood water heater style pressurized boiler. full time circulation into a pair of water/water heat exchangers in the basement. first exchanger is with the oil boiler witch has two zones of water/air heat exchanger in the air handlers. water leaves that exchanger and goes into another for dhw. I have a plumbing question: currently the wood boiler uses the coils in both w/w exchangers. if I were to replumb so that the wood boiler used the tank side of the exchangers (20 gals each) would that be more efficient? full load of wood is only getting 7 hr burn and would like to do all I can to improve. also, the glenwood has a aquastat driven damper actuator motor for natural draft. the flap is completely closed when water temp is up. would a draft fan improve overall burn time or only give a faster water temp increase cycle? thanks guys
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Plumbing / water to water xchanger question
« on: November 18, 2014, 10:25:57 AM »
I picked up a used tank xchanger that was designed as a pool heater. tank fittings are 1.5" and the coil fittings are 1". is there a more efficient way to plumb? i.e. does the load side have to be the coil and the supply side have to be the tank side? if it matters, my application is wood boiler to oil boiler in series. thanks
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Plumbing / installing in series with oil boiler
« on: November 05, 2014, 07:23:04 AM »
I have a lennox oil fired boiler with what the brochure calls a tankless domestic coil. placing my wb in place now in series and i'm concerned I wont be able to heat the domestic water satisfactorily if i'm not heating the dwc as intensely as the oil fire would. how much water is in the lennox cowb3? cant find that online. will I need to sidearm a separate hot water tank to have wood fired domestic in my application? my boiler is an older glenwood with 11 gal tank on top of the unit and +/- 50' of coil in the firebox. thank you
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Plumbing / help with pipe sizing
« on: February 23, 2014, 09:02:49 AM »
add on pressure boiler 50 feet from the oil boiler. oil boiler has 1 1/4" outlet to expansion tank to 3/4" copper. immediately T's to 2 zones that are 3/4" copper throughout. one is 30' loop in the basement and other is 70' to the attic. (both water to air) upon return both zone lines turn to 1" copper just after zone valves then to 1 1/4" iron after single pump at the inlet to oil boiler. what size pipe from wood boiler to oil boiler?
wood boiler is dual 3/4" inlet and single 1 1/4" outlet. also does it matter where I tap into that system with wood boiler lines? thanks so much for the help.
wood boiler is dual 3/4" inlet and single 1 1/4" outlet. also does it matter where I tap into that system with wood boiler lines? thanks so much for the help.
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Plumbing / install questions
« on: February 20, 2014, 01:16:18 PM »
Finances made me buy used and found a glenwood 1250 boiler with +/- 50' of 1" Pipe snaking thru firebox and 9 gal tank on top of unit. Installing in a shed 10' from the house. 20' of crawlspace and 15' more to the oil boiler. Unit has 2 3/4" inlets and a n 1 1/4" outlet.. existing boiler is 1 pump with 2 zone valves. 1 is 15' from pump, other is35'. What size line from boiler to boiler? Do i need to pump from b to b? Thanks
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General Outdoor Furnace Discussion / D and S Machine shop
« on: February 07, 2014, 10:39:16 AM »
anyone have any feedback on this manufacturer. a buddy picked up a coal stove and is very impressed. I've heard some decent things but no website as they are amish run out of Lancaster. they offer a couple boiler models and would love to hear from anyone with knowledge. going to try to make a visit this weekend.
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Portage & Main / ml 25 question
« on: February 06, 2014, 12:47:33 PM »
lightly used ml 25 available locally. any thoughts on this model as it appears to be discontinued. are there any particular deficiencies this unit had? can you tell me if one of the newer models replaced it? thanks
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General Outdoor Furnace Discussion / newbie question
« on: February 04, 2014, 08:24:55 AM »
i think i'm finally pulling the trigger this summer on my 3 year quest for a owb. main issue has obviously been the up front cost as i have perfectly useful oil boiler but cant afford it any more. my last remaining question as to whether i buy or build is why cant i just heat my boiler water with a coil and store it inside my basement? my stove will be +/- 10' from my house with +/-25' crawlspace run then +/-10' in the basement. is this just an efficiency issue or something else? the biggest drawback i see on the forums is the risk of water jacket leaking. if my thought is correct to use a large amount of coil and no jacket then it seems like a good diy project whereas the jacket may cause me to lose faith in myself. i did try to answer this myself searching existing threads and i'm sure it there but i couldn't find it. thanks for your thoughts.
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