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rhw1
Member Posts: 32
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60 years old plus or minusTo learn more about this professional, click here to visit their ad in Find A Contractor.0
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yes, hot water system,
upgrades?
are you comfortable?
20 drops of oil in the circulator bearing,
and a drop or 3 in the 2 ends of the circ motor (I think I see the plugged extension)
compression tank in the ceiling, could get drained if water logged,
what do you have for pressure when the boiler is cooled down, and when it's been making heat?
post another distant picture showing the boiler and the tank, all in one,
nothing leaking, correct?
known to beat dead horses0 -
Yes it's hot water. Does it need upgrades? Not if it's keeping the house warm and not requiring much if any water. The green tank on the ceiling is a compression tank, and it keeps the water pressure in the system more or less constant, regardless of water temperature. Agan, if the system pressure is holding reasonably constant, don't mess with it. Most modern plumbers and heating people haven't faintest idea as to how it works or why.Br. Jamie, osb
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England3 -
Maybe I'm imagining it, but in the first picture, left side, slightly down from the top, it appears that the flue vent for the water heater to the left partially out of the shot is against the fiberglass insulation on the pipe going down to the boiler. Either there's a shadow, scorched paper, a chunk has been removed for clearance - or I'm seeing things. Just a friendly observation.0
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Yes, that is Pumped Hot water, not Steam. Based on the size of the pipes in the ceiling, that may have originally been Gravity Hot Water, so probably not the original boiler to the house.rhw1 said:Is this a hot water system?
Upgrades? No. Maintenance? Yes, but all systems need maintenance.rhw1 said:Does it look like it needs upgrades?
Water expands when it is heated. The tank is half full of water, half full of air. As the water in the system is heated, the air in the tank is compressed, allowing the expansion of the entire system's volume of water.rhw1 said:what’s the tank for that is in the ceiling?
I have a similar system that is 70 years old. Love it. Far less to go wrong than anything sold today.
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Thanks everyone. I am somewhat familiar with a steam system but nor hot water. Where does one check and adjust the pressure if necessary? Do we need to open the gray box on the side of the boiler?0
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Shouldnt need to adjust pressure.
perhaps you can have someone who is familiar w/ these systems come by and give you a tutorial on its operation and show you where stuff is...
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That's a 1960s-70s boiler. If it works well keep it. But nothing last forever so start saving for a replacement some day.
If it's working ok have it serviced and checked in the spring.
Check "find a contractor" on this site and post your location0 -
The green valve in your first picture is probably a Thrush Flow Control Valve. The museum here at HeatingHelp.com has documentation for this valve describing what it does, and how it works. The Thrush valve will divert air coming out of the boiler into the pressure tank.
https://heatinghelp.com/heating-museum/thrush-flow-control-valve/
There may be a temperature and pressure gauge on your system (didn't see one in the pictures) that will tell you what your boiler is doing. Hot water systems are unlike steam systems in that water is rarely added. I've not added any water to my system since the start of this heating season. To raise pressure you add water from your domestic water system. To lower pressure you drain water from the boiler.
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