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Scottscoaled
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Posts: 2599
Joined: Tue. Jan. 08, 2008 9:51 pm
Stoker Coal Boiler: EFM 520, 700, Van Wert 800 GJ 61,53
Baseburners & Antiques: Magic Stewart 16, times 2!
Coal Size/Type: Lots of buck
Other Heating: Slant Fin electric boiler backup
Location: Malta N.Y.

Post Wed. Jun. 04, 2008 11:22 pm

Refired my boiler today. :D I've been doing some upgrades. Repiped the supply and retturn fron the outside coal boiler into the oil fired boiler. Did a nifty hookup called " The ala Sting" The Closely spaced tee stuff. Notice the supply and retun to the boiler
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See where I cut a Tee into the return and hooked the other end into the flow check. With this arrangement there is no heat loss from the oil boiler. While it isn't an automatic system I'm able to keep boiler temp low, turn the power off to the oil burner with the switch on the wall.
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I have a relay that is fired by the domestic water circ pump that initiates the t-t contact on the controler and an outside t-stat set at 50 degrees in parallel with that so when the temps are low the circ pumps run constantly. I decided to isolate the oil boiler after placing my hand in the barometric damper and feeling all this heat running out the pipe. My wife can turn two valves and flip a switch and be back in business if I'm not around. Not the simplest but also not the most complicated. Ala' Sting :) Scott
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Sting
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Posts: 2966
Joined: Mon. Feb. 25, 2008 4:24 pm
Other Heating: OBSO Lennox Pulse "Air Scorcher" burning NG
Location: Lower Fox Valley = Wisconsin

Post Wed. Jun. 04, 2008 11:31 pm

Hummmm

Looks good

Even if you blame an old fool with a degree in complicated piping!
Image

User avatar
Scottscoaled
Member
Posts: 2599
Joined: Tue. Jan. 08, 2008 9:51 pm
Stoker Coal Boiler: EFM 520, 700, Van Wert 800 GJ 61,53
Baseburners & Antiques: Magic Stewart 16, times 2!
Coal Size/Type: Lots of buck
Other Heating: Slant Fin electric boiler backup
Location: Malta N.Y.

Post Thu. Jun. 05, 2008 12:00 am

Four inexpensive speed drives and this beauty will be a "Full Sting" :lol: Not bad for a hybrid :) Scott


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Freddy
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Posts: 6624
Joined: Fri. Apr. 11, 2008 2:54 pm
Stoker Coal Boiler: Axeman Anderson 130 (pea)
Hot Air Coal Stoker Stove: Reading piece o' junk in the barn (rice)
Coal Size/Type: Pea size, Superior, deep mined
Location: Orrington, Maine

Post Thu. Jun. 05, 2008 5:47 am

Very cool! No valve needed between the tees....smart thinking! Why is one valve to the tees open & the other closed? I haven't had coffee yet and am esily confused!

User avatar
Scottscoaled
Member
Posts: 2599
Joined: Tue. Jan. 08, 2008 9:51 pm
Stoker Coal Boiler: EFM 520, 700, Van Wert 800 GJ 61,53
Baseburners & Antiques: Magic Stewart 16, times 2!
Coal Size/Type: Lots of buck
Other Heating: Slant Fin electric boiler backup
Location: Malta N.Y.

Post Thu. Jun. 05, 2008 7:41 am

The Picture was taken prior to being placed in service. Only one valve needs to be closed to isolate the "loop". Scott

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