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#1
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Why does my hot water heater have a blower on top of it?
The home I recently bought has a hot water heater that is different
from any I've ever seen before. There is a fan blower on the top of it, so that every time the hot water heater kicks on, so does the blower. Seems odd to me. Hot air rises. But I do notice that the exhaust is out the side of the house about rather than through the roof. Is that why? Thanks. |
#2
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Why does my hot water heater have a blower on top of it?
In article , 46erjoe wrote:
The home I recently bought has a hot water heater that is different from any I've ever seen before. There is a fan blower on the top of it, so that every time the hot water heater kicks on, so does the blower. Seems odd to me. Hot air rises. But I do notice that the exhaust is out the side of the house about rather than through the roof. Is that why? Thanks. High-efficiency units need fan-forced exhaust because the exhaust temperature is too low for exhaust gases to be adequately removed by convection alone. -- Regards, Doug Miller (alphageek at milmac dot com) It's time to throw all their damned tea in the harbor again. |
#3
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Why does my hot water heater have a blower on top of it?
46erjoe wrote:
The home I recently bought has a hot water heater that is different from any I've ever seen before. There is a fan blower on the top of it, so that every time the hot water heater kicks on, so does the blower. Seems odd to me. Hot air rises. But I do notice that the exhaust is out the side of the house about rather than through the roof. Is that why? Thanks. I presume it's a gas fired high efficiency water heater. As you pointed out, hot air rises, but since the exhaust "pipe" can run sideways for quite a distance in some installations a fan is needed to push the combustion products outside. Capice? Jeff -- Jeffry Wisnia (W1BSV + Brass Rat '57 EE) The speed of light is 1.8*10^12 furlongs per fortnight. |
#4
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Why does my hot water heater have a blower on top of it?
46erjoe wrote:
The home I recently bought has a hot water heater that is different from any I've ever seen before. There is a fan blower on the top of it, so that every time the hot water heater kicks on, so does the blower. Seems odd to me. Hot air rises. But I do notice that the exhaust is out the side of the house about rather than through the roof. Is that why? Thanks. http://www.ho****er.com/products/residential/gas.html Called a Power Vent heater (or you might have a Direct Vent). Instead of having a chimney, the draft blower sends the combustion gases out the side of the house. Not needing a chimney, they can be located more conveniently. |
#5
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Why does my hot water heater have a blower on top of it?
The power vent also prevents back draft which is common in some of the newer
tightly constructed houses. the old style type furnaces are a safety hazard in new construction so count yourself lucky. "46erjoe" wrote in message ... The home I recently bought has a hot water heater that is different from any I've ever seen before. There is a fan blower on the top of it, so that every time the hot water heater kicks on, so does the blower. Seems odd to me. Hot air rises. But I do notice that the exhaust is out the side of the house about rather than through the roof. Is that why? Thanks. |
#6
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Why does my hot water heater have a blower on top of it?
What will happen if my blower is not working. Should I unplug it until I order new one
-- For full context, visit https://www.homeownershub.com/mainte...it-163744-.htm |
#7
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Why does my hot water heater have a blower on top of it?
You're at tremendous risk of carbon monoxide poisoning. I would turn off the gas supply to the water heater immediately and get the unit serviced (if feasible) or replaced today. Meanwhile, you can go a day or two without washing clothes or taking a shower. Dishes can be washed in the sink with cold water unless someone is very ill with a highly communicable disease, in which case, buy a small supply of disposable paper plates, cups, and plastic utensils
-- For full context, visit https://www.homeownershub.com/mainte...it-163744-.htm |
#8
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Why does my hot water heater have a blower on top of it?
On Friday, October 23, 2020 at 10:45:11 AM UTC-4, Retirednoguilt wrote:
You're at tremendous risk of carbon monoxide poisoning. I would turn off the gas supply to the water heater immediately and get the unit serviced (if feasible) or replaced today. Meanwhile, you can go a day or two without washing clothes or taking a shower. Dishes can be washed in the sink with cold water unless someone is very ill with a highly communicable disease, in which case, buy a small supply of disposable paper plates, cups, and plastic utensils -- For full context, visit https://www.homeownershub.com/mainte...it-163744-.htm I agree, it's the exhaust blower and if it's not working, I would turn off the water heater until it can be replaced. I would think they must have an interlock of some kind there to prevent it from firing if the blower fails. If it doesn't have proper airflow it will generate CO. |
#9
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Why does my hot water heater have a blower on top of it?
On Fri, 23 Oct 2020 05:15:02 +0000, Hnkclinical
wrote: What will happen if my blower is not working. Should I unplug it until I order new one Yes. the blower purges the exhaust - without it you risk carbon monoxife poisoning. |
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