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Re: Buderus 142 issues
Yeah, I forgot about aluminums sensitivity to pH. Need to watch that for sure so you don't dissolve the HXer. Basically, you have accumulated a chemical that has bonded to the heat exchanger surface and is slowing the transfer of heat, causing the steam flash bubbles. Follow manufacturers recommendations as it pertains to chemical cleaners. Sometimes, raising the operating pressure will suppress steam flash.
ME
ME
Re: Bad press for Petro
@brandonf
all,
if you think you're smelling gas, outside, or inside, call the gas co yourself,
things go kaboom all the time, then you hear that "yeah, we were smelling gas for weeks"
call the gas co,
or the fire dept.
I've had lines repaired on both my properties.
First one, my brother, a gas co employee, smelled it, Gas was there within an hour,
Second one, Gas co truck sniffed it on the street, traced it to my outdoors, fixed it next day.
Call the gas co.
all,
if you think you're smelling gas, outside, or inside, call the gas co yourself,
things go kaboom all the time, then you hear that "yeah, we were smelling gas for weeks"
call the gas co,
or the fire dept.
I've had lines repaired on both my properties.
First one, my brother, a gas co employee, smelled it, Gas was there within an hour,
Second one, Gas co truck sniffed it on the street, traced it to my outdoors, fixed it next day.
Call the gas co.
neilc
0
Re: More school lack of maintenance
So sad. They are clamoring to spend $266,000,000, but unable/unwilling to spend money on repairs. It's seems a universal phenomenon in larger institutions, repair is drudgery and wasteful, but a sexy new shiny building or system is money well spent (and will be maintenance free!!!).
Progress..
Progress..
Re: Bad press for Petro
It’s a really hard sell to keep oil and replace with another oil fired system. When PSE&G Nat gas prices are about $.74 cents for a Therm and oil is around $2.80 to $3.00 a gallon and rising again it’s a hard sell. Plus couple that with basically a mandatory burner service every year (funny but it’s hit or miss weather the oil companies actually do a good job of cleaning) it’s more expense.
As @Steamhead has said I seen first hand what low gas pressure is like, on the coldest day of 2016 when we went below 0 I had just finished putting a new boiler in and knew something was wrong with the fire, a quick test with a manometer showed manifold gas pressure at about 2.05” WC called PS they tell me they only guarantee 4” supply, however we weren’t even getting that, supply was only around 3.20 WC.
As @Steamhead has said I seen first hand what low gas pressure is like, on the coldest day of 2016 when we went below 0 I had just finished putting a new boiler in and knew something was wrong with the fire, a quick test with a manometer showed manifold gas pressure at about 2.05” WC called PS they tell me they only guarantee 4” supply, however we weren’t even getting that, supply was only around 3.20 WC.
Dave0176
1
Re: Working vents don't close
I am back from dinner with my family so I can finish this comment. If you are running a real one pipe system -- what allows the water to return to the boiler, the A dimension and the left over steam pressure left in the piping. You are going to 0 psig where are you getting the required A dimension at 0 psig -- you are not. The rads are not being emptied of all the condensate because you are not running a steam system you are running a scorched air system -- the furnance comes on the fan runs and everything shuts down until the next cycle. Steam is a living thing, in the mechanical sense ,it should never be shut down -to- 0 psig until summer. Run the system the way it was designed, heating season rolls around the boiler is always "alive" ,until the heating system is over.The deadmen were smart ,they understood passive physics ,and one pipe steam is a study in using the rules of physics to achieve what you need to happen without the aid of pumps or any other mechanical device. Read The Lost Art of Steam Heating it will answer all your questions. All the best from Canada Jack
Re: In Wall Convector Vent Removal
I would try a "basin wrench" before cutting holes.
Soak the threads several times with PB Blaster or Kroil.
You can put a pipe wrench on the handle of the basin wrench when you get a good grip on the vent. FWIW
Soak the threads several times with PB Blaster or Kroil.
You can put a pipe wrench on the handle of the basin wrench when you get a good grip on the vent. FWIW
JUGHNE
0
Re: Delta-P situation specific
Delta P function is ideal for zoned systems either TRVs or zone valved systems. The ECM pumps are nice for replacing those 15-58 zone pumps at some point also, about 50% electrical consumption reduction withECM powered circulators.
hot_rod
0
In Wall Convector Vent Removal
My home was built in 1938 and has a number of convector radiators built in to the wall with an opening at the floor for intake air and a vent panel just under the window sill for the heated air to escape. A couple of these units have vents that need replacement but I cannot get enough access to get a wrench on them. The vents have an 8 point pattern for a socket but I cannot find a deep 8 point socket that will work. Does anyone have any history in attempting to remove vents from in wall convectors?
kd47828
0