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Re: Are ventless fireplaces really that bad?
they are safe, if given enough free space for combustion and are not considered a primary heat source
Re: Boiler circ size effect
> @Zman said:
> What type of boiler is it?
Ultra 155
> Are there check valves on the zone circulators?
No unfortunatly
> The circulators pumping toward the expansion tank are not helping/
Agreed
> What type of boiler is it?
Ultra 155
> Are there check valves on the zone circulators?
No unfortunatly
> The circulators pumping toward the expansion tank are not helping/
Agreed
icy78
0
Re: Bryant 310JAV036070AAJA what do I have
Thanks for the info. Still working well and expect it will last another 10 years or so. Would like variable speed and outside air blend but no reason to spend money replacing it until it starts having problems. And gas heater is pretty basic system that isnt too hard to repair when it does have issues.
Re: New Viessman 100 not satisfying thermostat
Does anyone see a problem with his selection for a primary circ?You can't use a variable speed pump with a modulating boiler
ced48
0
Re: How Figure The Best GPM For Oil Burner?
Jim, what is it to \"downfire\"
Jim, I appreciate reading your comments about lower total consumption with higher firing rates. A bigger hotter flame for more radiant transfer, more Delta T, and more conductive transfer with the greater volume scrubbing against the exchanger.
A boiler (System 2000) ships from the mfg with a .85 GPH rate. The manual specifies a range of of firing rates. The others are .68, .74, and 1.0 GPH rates.
So to operate most eff at it's highest rated capacity - should I automatically use 1.0 GPH?
Is there any place for trying to lower stack temps (min 300F)?
Jim, I appreciate reading your comments about lower total consumption with higher firing rates. A bigger hotter flame for more radiant transfer, more Delta T, and more conductive transfer with the greater volume scrubbing against the exchanger.
A boiler (System 2000) ships from the mfg with a .85 GPH rate. The manual specifies a range of of firing rates. The others are .68, .74, and 1.0 GPH rates.
So to operate most eff at it's highest rated capacity - should I automatically use 1.0 GPH?
Is there any place for trying to lower stack temps (min 300F)?
Allied
0
Re: Radiant Heating Newbie - Guidance Needed
Gordy is correct on all aspects . Leave a 1" space between ends of plates . Make sure full contact is made with sub floor . Roxul stays put best .
Bubble foil does zero as it only provides air space as insulation ( bubbles) , shiny stuff is only as good as how clean it stays and then you have that whole light thing . Air gaps are for suspended tube , Ultra Fin and the like , you know , the least effective ways to do radiant .
Remember to insulate the ends of the joist spaces ( box beam ) on the exterior also prior to putting in your tubing , plates and below tube insulation .
Bubble foil does zero as it only provides air space as insulation ( bubbles) , shiny stuff is only as good as how clean it stays and then you have that whole light thing . Air gaps are for suspended tube , Ultra Fin and the like , you know , the least effective ways to do radiant .
Remember to insulate the ends of the joist spaces ( box beam ) on the exterior also prior to putting in your tubing , plates and below tube insulation .
Rich_49
0
Re: Oil to gas conversion with no permit Brooklyn NY?
As a homeowner in nyc I know firsthand what PITA doing a oil to gas conversion is, It only took me 2 1/2 years for mine (but I have Con Edison, that is harder to work with than National Grid)
You WILL get busted without a doubt, your gas usage will jump by 20x and National Grid will think you have a leak and request an inspection.
-You will probably get service shut down which means no GAS at all in your house
-You will get hit with some BIG fines
-The paperwork with the DOB to correct will be a nightmare
I just can't imagine any grown adult trying to do what you want to do. The liability is HUGE.
With all that said, if it's a small home, the plumber can self-cert the job and it's very possible the DOB does not even go. If they do, they might not even look twice at your deck, especially if it looks like it's been there a while.
If it's a multi family, you will get Boiler division to check it out and I don't think they will care about your deck either. And if it's multi family and something happens to someone, good luck.
You WILL get busted without a doubt, your gas usage will jump by 20x and National Grid will think you have a leak and request an inspection.
-You will probably get service shut down which means no GAS at all in your house
-You will get hit with some BIG fines
-The paperwork with the DOB to correct will be a nightmare
I just can't imagine any grown adult trying to do what you want to do. The liability is HUGE.
With all that said, if it's a small home, the plumber can self-cert the job and it's very possible the DOB does not even go. If they do, they might not even look twice at your deck, especially if it looks like it's been there a while.
If it's a multi family, you will get Boiler division to check it out and I don't think they will care about your deck either. And if it's multi family and something happens to someone, good luck.
Re: This never should have happened.
"Trips your relief valves and "exercises" all of your emergency shutoff valves. I.e. those cheap brasscraft ones with the plastic valve stems that are guaranteed to leak."
Sorry but that is something everyone should do on a regular basis. If you "exercise" them regularly, they don't get a buildup and get stuck closed. If they are that cheap that they leak, they should be replaced.
Rick
Sorry but that is something everyone should do on a regular basis. If you "exercise" them regularly, they don't get a buildup and get stuck closed. If they are that cheap that they leak, they should be replaced.
Rick
