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New Steam System Owner Looking for Advice on Improvements
Dayton_Dude
Member Posts: 52
Fellow Steam-heads I have a bit of a problem! I am the new proud owner of a abused one pipe steam system (equipped with self flushing returns via bursting). With my brief knowledge of steam heat (I have read most of Dan's lost art of steam heat) I would assume that those returns are suppose to be wet returns hence the patching and diameter of the pipe. It seems the deadmen in ohio didn't quite get the memo on hartford loops. I am planning on replacing the return and incorporating a hartford loop. Any other suggestions would be appreciated because atm it kicks like a mule as well.
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I figured. Btw big fan. The boiler 2 years old. Drop header sort of deal. I found out who installed it from prev owner so I don't call them ever0
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Yes a complete near boiler Repipe would be in the works along with main venting and dry or wet return Repipe too.0
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I kinda figured that. Especially after I saw that the return was patched... Out of curiosity this is something I should have done in warmer months?0
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Absolutely! Things were done for a reason. Though 3 boilers later there may have been some disrespect in the past 90 years.0
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Not only the boiler piping... that return line probably should be a wet return, although depending on just how it is piped out in the rest of the system it could also be dry. More likely wet. Problem is, it isn't either one, That needs to be completely redone as either one or the other -- depending, as I say, on how it is piped elsewhere. More likely needs to be dropped and made into a wet return.Br. Jamie, osb
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England0 -
From what I have seen, if you have returns above the water line, considered "dry returns", that have rusted thru, there is a chance that they have not been sloped to drain and are retaining water to be eaten up, usually on the bottom.
I see it now to the right of the chimney, back sloped maybe??0 -
I think they were wet returns at one point (hence the patching, and the diameter). It is also running behind a main breaker which doesn't seem to be the best. I plan on dropping them.0
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With what I have gathered from talking to my neighbors prev owner didn't maintain the system as well as they should have.0
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Thus far:
Repipe Near boiler pipes (drop header?)
Drop Return such it is below the waterline (add drain for flushing) and Hartford loop.
Also not in the photo there a garden valve on the boiler that will be replaced with a ball valve and the sight glass needs drain valve for cleaning. Anything else I need to pay attention too?0 -
xmas is coming,
https://heatinghelp.com/store/detail/we-got-steam-heat-a-homeowners-guide-to-peaceful-coexistenceknown to beat dead horses1 -
Oh I have been reading up on Dan's books. I was getting his help on what I could do for my Mom's 2 pipe steam system (she had a couple traps that need some TLC... But that is a summer project). I am the proud owner of the Lost Art and Greening Steam.0
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add the skim port,
check your low water cutoff,
check your pigtail,
bottom out the Ptrol,
main venting ?known to beat dead horses0 -
Have you located any main air vents on the main in the basement?
With the HL, you could get rid of the check valve in the return, just another sludge collector IMO.
The motorized flue damper seems to be in an odd place, they usually are closer to the boiler, IDK.0 -
I have not found the main vent. I assume it is hidden in a wall which is not ideal. Though Jughne this boiler was installed by... a non-steam company. I would not be surprised if there were a whole lot of things done wrong!0
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Thus far:
Repipe Near boiler pipes (drop header?)
Drop Return such it is below the waterline (add drain for flushing), Hartford loop, get rid of check valve (AKA sludge magnate).
Find Main Vent
Check pitch of Radiators0 -
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I always install a low pressure gauge and a water seal. I personally am not a fan of pigtails.1
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It seems like the tail is just another sludge magnate?0
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@Dayton_Dude can we all assume your located in Dayton Ohio? If so @Fred might know if a good heating contractor in your area.1
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Heating With Steam, on Springfield St. Great Reputation! Do also buy Dan's books.EzzyT said:@Dayton_Dude can we all assume your located in Dayton Ohio? If so @Fred might know if a good heating contractor in your area.
937.254.8898
email us at: mailroom@eglius.com
C. G. Egli Inc
515 Springfield St
Dayton OH 45403
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I have bought a whole bunch of Dan's books (for myself and my Folks). I can officially say I have been bitten by the bug0
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You’ll be in good hands with the name Egli:—NBC
https://en.wikipedia.org/wiki/Fritz_Egli
https://www.motorcycleclassics.com/classic-british-motorcycles/revisiting-egli-vincent-motorcycles0 -
-Re-pipe the boiler
- Measure the total radiator EDR and compare that number to the EDR rating on the boiler plate (looks like a large boiler, probably over-sized but at least you will know what you are dealing with)
- Use both riser tappings out of the boiler and rise at least 24" above the water line. Drop header is best.
- Make sure there are elbows into the header(swing Joints)
- Drop the wet returns to near floor
- Add a Hartford loop
- Add a skim port, above the water line so you can skim oil off of the surface of the water, especially after the new piping.
- Make sure you have good venting on the main
- Is there only one Main or is there a Tee that ties two mains together (out of view of that picture)? If it is Tee'd, separate them and drop each into the new header.
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BTW, the Near pipe configuration should be: Riser out of boiler, 2nd riser out of boiler, Riser to main, 2nd riser to main (if there are two mains, and then the equalizer after the mains.
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As @Jamie Hall
mentioned the returns are a mess, neither dry or wet at least with the boiler you have now. I would expect water hammer in the returns0 -
Extra pictures
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Yep! It hammers like nobodies business hence the leaks that have developed. The original plan was to fix the return at the end of the season.0
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Dayton_Dude said:Thoughts on a secondary low pressure gage and/or in line sight glass on the outlet? I know Ethical Paul has one as a wet steam indicator.
A low-psi gauge is great. It’s easy to add yourself tooNJ Steam Homeowner.
Free NJ and remote steam advice: https://heatinghelp.com/find-a-contractor/detail/new-jersey-steam-help/
See my sight glass boiler videos: https://bit.ly/3sZW1el0 -
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Thanks @Dayton_Dude I’ve been surprised a few times for sure
NJ Steam Homeowner.
Free NJ and remote steam advice: https://heatinghelp.com/find-a-contractor/detail/new-jersey-steam-help/
See my sight glass boiler videos: https://bit.ly/3sZW1el0 -
Part of me wants to put an unsteady pressure transducer in the flow (Assumed fully developed) just to see how it fluctuates. Kulites are pretty water/chemical resistant.0
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With logging vs water temperature and fire status? I’d buy that for a dollar!
NJ Steam Homeowner.
Free NJ and remote steam advice: https://heatinghelp.com/find-a-contractor/detail/new-jersey-steam-help/
See my sight glass boiler videos: https://bit.ly/3sZW1el0 -
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I think I would still replace them. They are 90 years old and at this point don't owe me anything. By the way this is Tom Cook. I figured I would get help from the group this time.0
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ethicalpaul said:With logging vs water temperature and fire status? I’d buy that for a dollar!
That wouldnt be too hard... Thermistor/therocouple on the outlet... some sort of level sensor to look at water fluctuation. Hooked up to a microcontroller. Heck the sight glass observer could be a camera hooked up to a raspberry pi get some computer vision in there and you could monitor your system0 -
Though you would have to back out steam temp since it will be externally attached. Thermal conductivity of black iron and your set... dynamic pressure would be ideal then you can back out your velocity. Dust off some psychometric charts and you could get all sorts of fun stuff. Better than that you could consult the steam tables (the bain of most mechanical engineering students life)0
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Do you have a gravity induced domestic hot water recirculating system in the house. The bottom connection at the water heater with the check valve looks like it.....no pump?
How does it work for you?
Also FWIW, the return pipe support method with the 1/2" scraps driven into the wall is quite old school method and could be original. Have not seen that in anything recent.0
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