Gas flow when furnace unplugged??

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Old 01-07-08, 12:25 PM
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Gas flow when furnace unplugged??

Ok - question for you all 'cause I sure don't understand.

I stayed at a friend's house. She always asks that I unplug the water pump when I leave. Well - instead of unplugging the water pump I unplugged the furnace by mistake.

She said that when she got home her garage was full of natural gas. I'm surprised it didn't blow when the garage door went up.

How can it be that gas flowed from her furnace for 2 weeks because it was unplugged? Are there not safety mechanisms that would prevent this? What if the electricity went off for a period of time? That would be the same situation would it not?

So what if gas did flow for 2 weeks straight? How much to you all think I owe her for the gas?

 
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Old 01-07-08, 03:04 PM
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How odd! What do you mean by "I unplugged the furnace"?
Are we talking a portable propane heater perhaps?
 
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Old 01-07-08, 03:23 PM
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Originally Posted by jill View Post
How can it be that gas flowed from her furnace for 2 weeks because it was unplugged? Are there not safety mechanisms that would prevent this? What if the electricity went off for a period of time? That would be the same situation would it not?

Everything in this life can malfunction, including safety valves and switches and valves themselves. What if a safety switch told the gas valve to close, and the electricity even shut off to it, but it stayed stuck open anyway? This is very very rare, but in theory could happen. And in this case it sounds like it did. Sometimes unfortunate things happen? There are no 100% guarantees.
 
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Old 01-07-08, 03:48 PM
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Your friend needs an hvac technician. I suggest shutting off the gas to that furnace now !!!

Are there not safety mechanisms that would prevent this?
You are correct, no gas should flow if power is disconnected.
 
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Old 01-09-08, 02:37 PM
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Thanks guys!

I agree - she needs a technician. Just wanted to check my thinking since it didn't make sense and boy was she p.o.'d.
 
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Old 01-10-08, 02:00 PM
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Originally Posted by jill View Post
I agree - she needs a technician. Just wanted to check my thinking since it didn't make sense and boy was she p.o.'d.
She should actually be thankful you "accidently" brought a serious problem to her attention. If she had been home, asleep at night during a power outtage and gas had leaked out in the same manner, it could have been far more serious.
 
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