Yes Sir the answer for Question 17 is correct. I was just laughing at the choice D, like you said in the video, this choice D was silly and cracked me up 😆
Great vid., need more like these on gas, thanks. What about return air register close to the furnace, won't this rob combustion air to furnace. Does register have to be a certain distance from the furnace and is this code. Thanks again.
There is a 10 foot rule and also not in the same room. It is not quite that simple as there is a room size limitation. These codes are not IFGC but building codes that may vary. Not the easiest answer to follow but about the best I can. GFM
If I may, I also read that a return register close to the combustion chamber can produce a venturi effect drawing combustion gas into the return air, there by, allowing the blower to push it pass the heat exchanger and into the living space.
When using a flex connector on a furnace or water heater, I would assume one is still required to provide a drip leg or sediment trap? Is the reason for this trap because gas used to be coal derived and contained some goo? I remember re setting the pilot on a really old furnace that the hold valve seemed to be weighted and had to be held in an up position until the flame proofed the hold... anyway that weighted or sprung device was really sluggish as if it had gum inside of it. Pretty sure around my neck of the woods we had coal gas up until 1957
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An excellent post and review.
Merry Christmas
GFM
in nyc the gas inspection code is 3 pounds at 30 minutes- ... no more no less
"Piped to a nearby window and the window opened" it cracked me up too 😂
You mean that was not the right answer?
GFM
Yes Sir the answer for Question 17 is correct. I was just laughing at the choice D, like you said in the video, this choice D was silly and cracked me up 😆
Great vid., need more like these on gas, thanks. What about return air register close to the furnace, won't this rob combustion air to furnace. Does register have to be a certain distance from the furnace and is this code. Thanks again.
There is a 10 foot rule and also not in the same room. It is not quite that simple as there is a room size limitation. These codes are not IFGC but building codes that may vary. Not the easiest answer to follow but about the best I can.
GFM
If I may, I also read that a return register close to the combustion chamber can produce a venturi effect drawing combustion gas into the return air, there by, allowing the blower to push it pass the heat exchanger and into the living space.
I used the term 'combustion chamber' when I meant to say 'flue inlet'.
The same rule applies. All this is does not apply if it is sealed combustion.
GFM
When using a flex connector on a furnace or water heater, I would assume one is still required to provide a drip leg or sediment trap? Is the reason for this trap because gas used to be coal derived and contained some goo?
I remember re setting the pilot on a really old furnace that the hold valve seemed to be weighted and had to be held in an up position until the flame proofed the hold... anyway that weighted or sprung device was really sluggish as if it had gum inside of it. Pretty sure around my neck of the woods we had coal gas up until 1957
Yes. It is kind of a dinosaur.
GFM
l+grayfurnaceman
Can you install shut off in basement below appliance right below appliance like one foot away ?
Never mind
As usual I've gotta put my socks back on.
what state are these local codes?
Washington
GFM
👍🏼🔧🔥
Terribly wrong