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Old 10-13-2019, 07:10 PM   #21
ATXCharlie
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Quote:
Originally Posted by flybouy View Post
The "why" is not important, an autistic child, a family member with dementia, doesn't matter.
JM2CW
Thx flybouy - exactly right - it doesn't matter why. I have my reasons and my preferences.

Including a big one just added to the list today, which I discovered while removing the unit: There's clearly been a big mouse party in there, going back who-knows-how-many years. See the duct pic and imagine the blower blowing air over the mess in that duct, etc, sending that air into my living space. In case the pic isn't clear, it's mouse droppings and nut husks in the duct.

Anyway, no on/off switch was evident, and disconnecting a wire necessitated pulling the unit for access, so I pulled it out and it's not going back in.

I capped the gas line, put a 2'x2' board on the floor, put steel wool in the ext. vent tubes and will add insulation there. Still need to cover the two duct holes on the vertical wall.

I will probably buy a small hotel-room-style safe and stick it in there, and use magnets to make the louvered cover easy to remove/replace. Good place for passport, cash, laptop, and such.

Hot-tip - at least in my rig, a 2011 26SAB 5th, the furnace shares some wires with the fridge, which I figured out when the "auto" light went out. Fixed that and everything's good.

Tomorrow, I might remove all the ductwork.
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Old 10-20-2019, 07:28 AM   #22
footz1941
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Mine has a on/off switch on the furnace accessible by removing the panel covering the furnace
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Old 10-20-2019, 07:55 AM   #23
BillMc
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Turn it on and flip the breakers 1 by 1 until the furnace shuts off. By law there has to be a breaker on the system for it.
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Old 10-20-2019, 07:57 AM   #24
Bob Landry
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It's not rocket science to disconnect the 12V wire at the furnace. For those who are electrically challenged, it's the one that's not white.
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Old 10-20-2019, 07:59 AM   #25
JRTJH
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Turn it on and flip the breakers 1 by 1 until the furnace shuts off. By law there has to be a breaker on the system for it.
"Breakers" are for 120VAC components and wiring. "Fuses" are for 12 VDC components and wiring. The furnace is a 12 VDC component and there is no "breaker" to shut off. That said, pulling the 12 VDC fuse that does shut off the furnace may also shut off power to other components that might be wired to that fuse. The refrigerator immediately comes to mind.....
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Old 10-20-2019, 01:15 PM   #26
ncstan
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pull fuse or flip off breaker, which ever applies
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Old 10-20-2019, 03:11 PM   #27
footz1941
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Furnace blower works on 12 volt. No circuit breaker. Automotive type fuses protect this circut
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Old 10-20-2019, 04:05 PM   #28
RWRiley
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Originally Posted by hankpage View Post
Should be on it's own line, pull the fuse and it's done. JM2˘, Hank
^^^^^ what he said. No damage, so the next guy can just put the fuse back in.
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Old 10-20-2019, 04:06 PM   #29
beeje
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Originally Posted by Bob Landry View Post
It's not rocket science to disconnect the 12V wire at the furnace. For those who are electrically challenged, it's the one that's not white.
Would not matter what wire was disconnected. Either one would disable the unit.
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Old 10-20-2019, 05:10 PM   #30
travelin texans
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Post 21 indicates he's already removed the furnace, problem solved!
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Old 10-21-2019, 08:39 AM   #31
mjsibe
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Disable the furnace

Being most are 12 volt
Pulling the fuse should do it
If your not sure which fuse
Turn it on start pulling fuses.
This way you can run it time to time to exercise it.
Never using it may cause problems.
Like anything mechanical it would freeze after some time of disuse
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