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BobC

BobC

Joined on September 15, 2010

Last Post on July 15, 2014

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Skimming

@ April 4, 2014 8:56 AM in Vents spraying water

If you have the manual for that boiler they usually identify the plug that should be used for a skim port. If you don't have the manual you can usually download it from the web, what model New Yorker is that?

Your new piping probably introduced oil into the boilers water.To skim you draw water off the boiler above the waterline by opening the capped pipe or turning on the valve. You feed water into the boiler VERY SLOWLY (2hrs for 5 gallons) and let the water trickle out into a bucket. This can be done cold and hot, when doing it hot do not let the boiler come to a boil, you want to draw the water of a calm surface. It usually takes several skimming sessions to get all the oils out.

While you have that manual open look at the piping diagram, your boiler is piped wrong and is making wet steam. Putting in a proper boiler header and equalizer would help dry out the steam.

The material on the pipes looks like asbestos, some of it looks to be in bad shape and should be removed by someone with the knowledge and equipment. After that is done main vents could be added at the ends of the mains.

Did you check that new piping with a level to make sure it's all pitched back to the boiler?

Bob

Listen to the Bard

@ April 3, 2014 10:00 PM in Burnham gas conversion

Maybe we should include the MBA's as well




ALL

God save your majesty!



CADE

I thank you, good people: there shall be no money;

all shall eat and drink on my score; and I will

apparel them all in one livery, that they may agree

like brothers and worship me their lord.



DICK

The first thing we do, let's kill all the lawyers.



CADE


Nay, that I mean to do. Is not this a lamentable

thing, that of the skin of an innocent lamb should

be made parchment? that parchment, being scribbled

o'er, should undo a man? Some say the bee stings:

but I say, 'tis the bee's wax; for I did but seal

once to a thing, and I was never mine own man

since. How now! who's th

Wet steam caused by oil in the water

@ April 3, 2014 5:42 PM in Vents spraying water

The T I was referring to earlier is at the top of your diagram and a closer look shows those radiators are on the first floor and were not involved in the work that was done.

If your auto water feed is turning on to add water that is being thrown up into the piping probably because of oils in the water caused by the piping work. The only way to get rid of that oil is to thoroughly skim the boiler to slowly float the oil out of the boiler.

Does your steam main rise up as it goes away from the boiler to feed the radiator takeoffs? If it does you have a counterflow system and the returning water travels back along the main back to the boiler against the flow of steam. main vents should be added at the end of the mains to get rid of the air and cut your fuel bills.

Bob

Setback and slope

@ April 3, 2014 11:58 AM in Vents spraying water

If it was not spraying and banging before this new work (and you were doing a similar setback) you can be pretty sure the piping is the cause. I suspect some of your horizontal piping is sloped wrong and now has water sitting in it, when steam comes across the water it collapses and you get the bang. use a level and check all the piping to see if you have the correct slope on the piping you can reach. Also where the pipe Tees off on the new run how did you gaurantee both sides of the T slope back to the boiler?

Setting the temperature that far back pretty much guarantees the system will misbehave, if you do half the current setback do the vents still spray and do you still get the banging?

Bob

It's not uncommon

@ April 2, 2014 10:36 AM in Burnham gas conversion

I live just south of Boston and when i had my Smith G8 steam boiler installed with a Carlin EZ-Gas all the inspector wanted to see was a gas leak test, so some in this state just care it's done properly. You might try contacting Charles Garrity In Lennoxdale to see if he will come that far or if he know someone in the area that can help you.

http://www.heatinghelp.com/professional/221/Charles-Garrity-and-Son-Plumbing-and-Heating

Bob

What changed

@ April 2, 2014 7:23 AM in Some radiators cool down as boiler fires? (with drawing)

If it worked before and now doesn't, something has changed and we have to figure out what changed. It's been a long winter and I've noticed everything is looser because the wood has dried out more than usual.

Has anything been done that might have changed the slope of the piping? I have a radiator that stopped heating fully at one point while everything else was fine. I noticed the vent on that radiator was panting some and thought I might have water lying in a horizontal pipe somewhere. There is a short horizontal pipe on the second floor that I suspected so I raised the whole radiator up 3/4" and that solved the problem.  Old houses settle over time and what was once may no longer be so. Yours is a two pipe system but pooling water will still cause problems, go over any horizontal pipes you can reach and make sure the slopes are correct and there aren't any dips.

Do you have a low pressure gauge so you can reliably see what the system pressure is doing during the steaming cycle, is there any dip during the cycle that might yield a clue?

More fuel is used

@ March 31, 2014 7:09 AM in Thermostat question Steam oil boiler

to heat a space to 70 than would be used to heat it to 60. If you set the thermostat back at night, anything over 3-4 degrees may not be saving any fuel because it takes a lot of fuel to get everything back up to temperature.

Do all the rooms heat about the same? If they don't you may have an issue where the air vents are not doing their job. All radiators should heat at about the same time and rate. Make sure the location of the thermostat is not causing the system to shut down prematurely. Do you know what pressure the boiler is running at when making steam?

Chase down and fix any drafts and consider using an electric space heater in one room to keep that room a little warmer - this heater should be turned on ONLY WHEN THE ROOM IS OCCUPIED AND NEVER WHEN YOU ARE SLEEPING

Bob

Coming from cellar?

@ March 29, 2014 12:14 PM in Black paper lining wall of radiator

If these are on the first floor check the cellar below them as that smell might becoming from below. If you can get the old stuff out you should replace it with some sort of insulation board so the heat doesn't just go through the exterior sheathing.

Bob

Regulates

@ March 27, 2014 4:58 PM in radiators hissing from vents, one valve shooting water

The pressuretrol regulates the maximum pressure the boiler can reach, on most systems you would like to keep the pressure under 1.5PSI.

If you turn a pressuretrol upside down and look into the base of the brass fitting you will see a very small hole that has to be clear. Unfortunately pressuretrols are often poorly calibrated, if you examine the insides carefully you will see there is a very small set screw that lets you adjust the lever between the pressure diaphragm and tension spring. If you turn that set screw just a little bit you can adjust the pressure at which it trips - by small I mean 1/16 of a turn on that 0.05" setscrew.

Bob

Pressure too high?

@ March 27, 2014 4:11 PM in radiators hissing from vents, one valve shooting water

Try tightening the bonnet nut right below the radiator valve handle, if that does not work you may need to replace the valve packing.

Do you know if the pressure has always been this high? Is the pressuretrol adjusted down as far as you can? It should be set for 0.5 on the main and 1 on the white wheel inside the front cover and that should turn the boiler off at 1.5 PSI. It's possible the pigtail under the pressuretrol is blocked or that the pressuretrol just is not calibrated.The gauge could be flaky also but if all the air valves are hissing loudly it sounds like the pressure os too high.

What kind of radiator air vents does she have?

Give us more pictures from further back.

Bob

Nerver heard of them

@ March 27, 2014 1:39 PM in Steam Trap - Kelmac Jr. Retarder ?

You might try taking one apart to see what the elements look like. If you do post a picture of what you find in there.

Has turning the pressure down changed the way the system acts? Your smart to learn how steam systems work because you can fix 90% of what goes wrong yourself for short money and you can explain what has to be done to a plumber if you get into any hairy piping work. My old steam boiler was only repaired once in it's 16 year life by anybody but me, I did have it cleaned out every year by someone.

Bob

More info

@ March 25, 2014 9:15 PM in No steam reaches shut off valves.

A steam boiler has no need for an aquastat if it's not used for domestic hot water UNLESS there is a hot water loop off the boiler that is used for heat.

Post pictures of the boiler and the piping around the boiler.

Bob

This might work

@ March 23, 2014 9:45 PM in Does this boiler seem piped right?

If you really want someone local you might try

http://72.3.142.104/professional/428/J-A-Phinney-Plumbing-and-Heating

He is in Milton and he knows whereof he speaks.

Bob

I can understand

@ March 23, 2014 6:14 PM in i got to get rid of this steam heat system, i got questions

being upset at the cost of heating oil, especially if you can't get natural gas in your area. A lot of folks had a hard time finding pellets this year and ended up paying a lot more for them when they did because it was a cold winter. Nobody knows what the weather will be like next year - do you feel lucky?

I think they would make a good supplementary heating source but I don't think you'll be happy with it for a primary source of heat unless you intend on spending a lot of money for a complete heating system. It would cost a lot less to get what you have now working efficiently and then using pellets to heat the main area when you are home. Put some money into insulating the house and fix what you have, it will save you money in the long run. Having a pellet system without a regular heating system will make the house less salable when the time comes - not everybody is enamored about tending a stove all winter long and your home insurance carrier might have something to say about it as well.

To answer your question you can just cut the pipes to the radiators and remove the radiators and you can sell the radiators and the boiler (if it's recent and in good shape) but you might regret doing so.

Bob

Mine works fine but at lower vac levels

@ March 21, 2014 8:00 PM in Vaporstat sticking / biasing after vacuum

I have a 0-4 mercury bulb based vaporstat that I have run as low as 12oz high and 4oz low limit and it never faulted. It' also reads very accurately which is probably just the luck of the draw. However my system never went over 1/8 revolution of vacuum on my 0-3 gauge so I don't see the depth of vacuum you are seeing.

I run the low end higher now because I have a cycleguard on the new boiler and want the boiler to come back on as quickly as i can if it does trip the high limit - which it only does on long burns in cold weather or when it comes back from a 3 degree setback in the morning.

Bob

Pipes, valves and vents

@ March 20, 2014 9:24 PM in Steam boiler banging, hissing and water noise

Can you see the pipe in the basement that goes from the steam main to the radiator that is banging? It sounds like there is water trapped in that pipe because it's slope might be bad. If the radiator is on the second floor you might have to lift the entire radiator (both ends) to correct the slope of a pipe you can't see.

Make sure that radiator valve is all the way open and try a slower air vent on that radiator; as I said earlier the air valves they sell at HD are not very good.

Bob

It should be fine

@ March 20, 2014 8:43 PM in pressuretrol psi gauge relationship?

the 0.1PSI is about 1.6oz of pressure and that is enough to fill the pipes with steam. The vacuum you see when the boiler shuts down is normal and shouldn't bother the gauge.

When the boiler is cold you can manually adjust the gauge zero.

Bob

It takes almost zero pressure

@ March 20, 2014 8:30 PM in pressuretrol psi gauge relationship?

to run a steam system if the boiler is closely matched to the radiation. On a real cold morning you might see more pressure especially if you were coming back from a night setback.

Bob

What model air vents

@ March 18, 2014 9:48 PM in gorton valve

do you have on the radiators and steam mains?

It's normal for a vacuum to form when the system shuts down but having large enough main vents could help.

Bob

gauges fail

@ March 18, 2014 9:25 PM in Two pipe system -return main with vent off mainly sucks in during cycle

It might be worth adding an auxiliary 0-3PSI gauge to the system so you know whats going on. Just make sure it's has a pigtail between it and the boiler.

Bob

Boiler water maintenance

@ March 18, 2014 7:21 PM in any risk associated with a properly executed TSP cleaning?

TSP is probably very good for boiler cleaning but to maintain the boiler after it's been cleaned and flushed you might want to look into Steam Master tablets. I started using them about 18 months ago and the boiler in my boiler is just as clear as it was back when I started using the tablets. I just drained a little water to check it last week and the water was clear with s light violet hue, the PH measured at 9.5

If you do decide to use it just ignore the instructions, one tablet is good for a small boiler and two would do for most any home boiler. Make sure there is nothing in the boiler but clean water when you add the tablets.

Bob

Short cycling

@ March 18, 2014 6:05 PM in Steam Boiler Short Cycling from Pressure

Has the system venting been examined to see if it's adequate. If the venting rate is too low that can cause cycling as well as an oversized boiler. The boiler can be downfired but there are limits to how low you can go.

Post some pictures so we can see if there are issues with the boiler and near boiler piping that might be causing problems.

Bob
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