Use a Gorton D radiator vent on the riser. It's the same venting as a Gorton #1 main vent. Then replace the Hoffman with another Gorton #1 vent on the main without a nipple.
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Re: trying to understand steam heating
My best advice? Purchase "We got steam heat..." by the founder & Moderator Emeritus Dan Holohan. It's a quick & witty read that will 'splain what you need to know as a Homeowner. Mad Dog
Re: Combined Venting
If both appliances are gas, then there is no problem with the water heater entering as the same level or below the boiler. The reason for the gas water heater entering above the oil fired boiler has to do with the combustion byproducts of the oil fired boiler may leave solid particles that will accumulate at the base of the chimney. or the bottom of any horizontal vent connector. Those solids may build up and block the lower vent connector. if the water heater vent is blocked by that debris, then you will be venting exhaust gasses into your home.
Re: IBC SFC125 combi 2023 install, poor DHW production;
Very true bjohnny… ghost flow through a crossover could be a possibility. That’s an easy test for sure. It was at 140dF, I moved to 120dF and it presents same behavior.
My sales guy offered rep contact but I’ll take it anyway to confirm.
Need to check pressure HR.. we have pressure redux valves from yesteryear on all mains and they can definite fail.
kcopp is correct… no bypass valve visible that I can tell on cold inlet, just flow propeller body that sensor clips to/around.
Good insights Teemok. When I saw max rate of 125k I was a bit surprised. It would perform far better with a storage tank off of these connections as the manual options. House flip, so I’d say budgetary comments are correct. I’d love to put a mixing valve on there to see if that burst can be turned into a choked heat mass than can keep up with the draw.
wcs5050
1
Re: Very Noisy Flameupon cold start up
The way I heard it: it is the Paraffin gets depleted somehow. I’m not sure what that actually means (i'm not a chemist) but I understand that the Paraffin is what is the most flammable portion of the fuel, and once you get that lit, the rest just happens. So if your. paraffin is low as a result of the age of the fuel, then putting a fuel oil additive will get you back where you need to be.
Is the 8000 gallon tank the same fuel that you are using in the Problem Beckett oil burner?
That service that happens to the 8000 gallon tank has an additive included that will keep the fuel fresh for the following year.
If you want to add some fuel oil additive in your home heating tank, that may make a difference. But you need to agitate it around the tank. You can't just pour it in and hope for the best. You may also have the air in the oil line problem mentioned by others. To solve that problem, you can add a tiger loop fuel deaerator at the pump to see if that helps any.
Re: IBC SFC125 combi 2023 install, poor DHW production;
One different set up with this boiler is to not set the DHW to 140+ and mix it down.
Set the DHW and let the boiler determine the outlet temp. I usually set it at 122F… my own house 120F.
I have the Reps number for that area. I will send it to you if you like.
kcopp
1
Re: Do main steam need to be absolutely vertical?
Use a Gorton D radiator vent on the riser. It's the same venting as a Gorton #1 main vent. Then replace the Hoffman with another Gorton #1 vent on the main without a nipple.
Re: Puzzle: Two Solutions for a Hydronic Systems Flow Problem- Which is Best?
Water takes the path of least resistance. The old piping was sized for gravity flow. You can’t re-size part of it for forced flow and expect it to work.
You MAY be able to split the loops and add a separate circulator for the restricted loop, but no guarantees on how well that will perform.
Ironman
1
Re: No Zone 2 Heat, Old System, Stat calls Boiler won't fire but Zone 1 Works Perfectly.
That is very accurate because if you use the hot water and a few minutes later you wash your hands or something you absolutely get burned it's that hot extremely hot I guess that's because the water is 200 degrees wow so they couldn't even do it right according to 60yr old practices. It seems you know this very well and it's pretty common to find a setup like this in older homes.
Well hopefully bleeding it get's the heat working again on the 2nd floor. I'm gonna save all those write ups aswell. I appreciate the help and I will let you know if it works after.
Re: Uninsulated steam main is heating up basement. Is that so bad?
I leave a portion of my main uninsulated on purpose to provide additional heat to a basement living area. I like it. Plus my boiler is a little bit oversized.
skimmer
2