Questions about a steam system
I’m newer to working on boilers and there were some things i saw on a steam system yesterday that i was not familiar with and wanted to see if anyone could let me know more about it.
- This wall mounted pump attatched to the piping.
2. some of the radiators have the inlet at the top and others were at the bottom, with what appears to be a smushed air vent
3. Cut out pressure was set to 15 psi. (lowered it to 2psi)
Comments
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Will need more pictures, especially of the boiler and piping connected to it, but are you sure its Steam? Mad Dog
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here’s the boiler. took a video showing the piping but not sure how to send that here.
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I'm not at all convinced that that is a steam system. Modified gravity hot water, maybe? Which would explain the air vents on the radiators — and the 15 psig.
Br. Jamie, osb
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
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That pump and those air vents make it a hot water system. Reinstate 15psi pressure.
8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour
Two btu per sq ft for degree difference for a slab1 -
I want to see the front of the boiler…they left two pigtails and pressuretrolls on there if they did convert it
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 -
here are the rest of the photos i have. the 15psi relief valve and and sight glass made me believe it was steam but maybe there’s something that i don’t know. Radiators heated sufficiently when pressure was dropped to 2psi.
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So, water is only half way up the gauge glass, but the system was heating?
I'd think it's pretty clear it's not a hot water system.
Single pipe 392sqft system with an EG-40 rated for 325sqft and it's silent and balanced at all times.
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Steam only radiator, looks like it is only supported by the pipes.
Condensate return pump that was not really needed.
National - U.S. Gas Boiler 45+ Years Old
Steam 300 SQ. FT. - EDR 347
One Pipe System0 -
Thats not a condensate pump. Can't tell if that pump is hooked up or not.
Steam for sure maybe with a HW zone off it.
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Look at those radiator return fittings- this is a Mouat Vapor system. @chrismus , where are you located? We know a Mouat expert in the Cleveland area- @gerry gill .
And whoever added those manual air bleeders is a knucklehead.
All Steamed Up, Inc.
Towson, MD, USA
Steam, Vapor & Hot-Water Heating Specialists
Oil & Gas Burner Service
Consulting0 -
I'm thinking the circ was for DHW, an old indirect off previous boiler, or abandoned when last tank went, or
known to beat dead horses1 -
That is what I was originally thinking, but it looks like it is going up to one on the two paralleled pipes so I was thinking it was on the Steam condensate return side. Maybe there was a pipe pitch issue at one time. Looks like both valves are closed and the bottom pipe go nowhere.
National - U.S. Gas Boiler 45+ Years Old
Steam 300 SQ. FT. - EDR 347
One Pipe System0 -
I am in Cleveland.
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Here you go:
All Steamed Up, Inc.
Towson, MD, USA
Steam, Vapor & Hot-Water Heating Specialists
Oil & Gas Burner Service
Consulting1
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