700 up and Running

Stoker Coal Boilers automatically feed the coal and have controls and pumps just like any conventions boiler. They are intended to be used as a primary heat and often have domestic hot water coils as an added bonus. They can be set up independently or in dual sytem with your existing oil/gas boiler. They can accommodate both hot water base board or steam plumbing.
Phil May
Member
Posts: 194
Joined: Sun. Nov. 06, 2011 9:12 pm
Stoker Coal Boiler: EFM 700
Coal Size/Type: Buckwheat
Stove/Furnace Make: EFM
Stove/Furnace Model: 700
Location: Wellsville NY

Post Wed. Jan. 16, 2013 1:19 pm

The 24 hour period from 1/14/13 to 1/15/13 she ate her way through 190lbs. I got to get the covers and insulation on it. It is keeping to boiler room 75 just from waste heat off the boiler.

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Rob R.
Site Moderator
Posts: 11336
Joined: Fri. Dec. 28, 2007 4:26 pm
Stoker Coal Boiler: EFM DF520
Hand Fed Coal Stove: Hitzer 50-93
Coal Size/Type: Lehigh Rice
Other Heating: Dad's 1953 EFM Highboy
Location: Chazy, NY

Post Wed. Jan. 16, 2013 1:29 pm

What temperature does the boiler maintain?

Phil May
Member
Posts: 194
Joined: Sun. Nov. 06, 2011 9:12 pm
Stoker Coal Boiler: EFM 700
Coal Size/Type: Buckwheat
Stove/Furnace Make: EFM
Stove/Furnace Model: 700
Location: Wellsville NY

Post Wed. Jan. 16, 2013 8:38 pm

Most of the time it is on high limit on a call for heat. I have 7 zones hooked to it so it is rare not to have 1 calling. I set high limit 185 and low 160 with the differential 10 on both. I am a little worried about putting the high up to 200 as I have pex in the system. on the rare ocassion that there is not a call it is usually 170-175. Today it only used 160lbs for 24 hours.

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lsayre
Member
Posts: 12181
Joined: Wed. Nov. 23, 2005 9:17 pm
Stoker Coal Boiler: AHS S130 Coal Gun
Coal Size/Type: Blaschak Anthracite Pea
Other Heating: Resistance Boiler (13.5 KW)
Location: N/E Ohio, between Medina and Wadsworth

Post Wed. Jan. 16, 2013 9:13 pm

How much coal did you burn daily with your old C-70 under similar weather conditions?
-Larry

Democracy rests upon the principle that collective wisdom arises from a pool of individual ignorance. A Republic rests squarely upon objective law, and fundamentally upon those laws which restrict the scope and actions of government.

User avatar
Rob R.
Site Moderator
Posts: 11336
Joined: Fri. Dec. 28, 2007 4:26 pm
Stoker Coal Boiler: EFM DF520
Hand Fed Coal Stove: Hitzer 50-93
Coal Size/Type: Lehigh Rice
Other Heating: Dad's 1953 EFM Highboy
Location: Chazy, NY

Post Wed. Jan. 16, 2013 9:37 pm

The lack of boiler insulation is costing you a lot of coal. That is one BIG radiator.

Phil May
Member
Posts: 194
Joined: Sun. Nov. 06, 2011 9:12 pm
Stoker Coal Boiler: EFM 700
Coal Size/Type: Buckwheat
Stove/Furnace Make: EFM
Stove/Furnace Model: 700
Location: Wellsville NY

Post Fri. Jan. 18, 2013 7:05 pm

I never burned hard coal with the c-70 it would go through the soft coal and wood like it had a brother in-law selling it. I am not complaining about the amount of coal it is using. I know I am wasting a lot with no jacket or pipe insulation.

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