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Old 08-27-2021, 07:26 PM   #21
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THOR #6826
The instructions suggest attaching the fab to the vent cover as the photo above depicts. I didnít want to do that so I used a small scrap of aluminum sheet to make a bracket that let me mount it to the floor of the cabinet. It was simpler and it moves quite a lot of air. Only turns on when the burner/heater is on.
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Old 08-27-2021, 07:31 PM   #22
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THOR #13932
I'm not really sure how a thermostat controlled fan stops fires.
It will slow heat build up to a mild extent with mild heat build up,, it isn't going to do a thing about a flame except draft it.
A short, a propane leak...its going to make it all worse.

Combustion at
451į for paper.
570+ for pine.

extinguishers set off at much lower temps or upon open flame.
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Old 08-27-2021, 07:41 PM   #23
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Itís not really just a fan. The fan is an optional accessory to help move air over the cooling lines to improve the efficiency. The ARP device measures the pipe temp at the burner/heater and temporarily shuts it off if it gets too hot. It is the runaway propane burner that starts fires and that happens when the unit is operated out of level because the liquid coolant, which flows by gravity, fails to return to the burner. Itís like a pot on the stove that boils dry
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Old 08-27-2021, 07:55 PM   #24
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Originally Posted by Pete'sMH View Post
Itís not really just a fan. The fan is an optional accessory to help move air over the cooling lines to improve the efficiency. The ARP device measures the pipe temp at the burner/heater and temporarily shuts it off if it gets too hot. It is the runaway propane burner that starts fires and that happens when the unit is operated out of level because the liquid coolant, which flows by gravity, fails to return to the burner. Itís like a pot on the stove that boils dry
That makes a LOT more sense.
Thanks.
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Old 08-27-2021, 08:09 PM   #25
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John,
I just sent you an email asking for more images of your install. I have not realized how dangerous operating rv fridge could be, if something goes wrong. Looking forward seeing your pictures. Thank you.
No more dangerous than driving the MH or any vehicle on the road.
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Old 08-27-2021, 08:26 PM   #26
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No more dangerous than driving the MH or any vehicle on the road.
That's a fact.
It's not a non-happener, it's a non-worrier.

We'll say
1:1,000,000 for easy math.
Far far far less than wheel bearing/brake fires.
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Old 08-27-2021, 08:30 PM   #27
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That's a fact.
It's not a non-happener, it's a non-worrier.

We'll say
1:1,000,000 for easy math.
Far far far less than wheel bearing/brake fires.
Or engine fires - the #1 cause of MH fires.
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Old 08-31-2021, 01:57 PM   #28
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Something that is missed by those who have not look into the problem with the fridge on the website. When the fridge is out of level they tend to overheat and this can decrease the life of the cooling system. I installed mine for safety and to increase the life of the unit and the additional fans to help cool my fridge in high heat during the summer because mine is mounted in the slide. Those mounted in the slide do not benefit from the roof vent which increases natural convection. I also discovered a heat trap on the top of the fridge which was nothing more than a large open area that I filled with insulation.
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Old 10-26-2021, 08:39 PM   #29
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Here's the $25 prescript.
It didn't have to happen.
https://www.thorforums.com/forums/sh...&postcount=251

ducksface's link is for a stovetop firestop device, check it out. I hadn't seen these before, thx. There seems to be an evolution in these devices. While searching, I've found fire dry extinguisher balls to be thrown into the flames or mounted in engine bays, for instance. Check out the video: https://www.westmarine.com/WestAdvis...e-Extinguisher


In a prior life, my wife lost a new MH parked in a repair yard. The coach parked next to them was left with the fridge on. Insurance covered hers.
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