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-   -   Water in furnace (http://www.montanaowners.com/forums/showthread.php?t=74226)

GLENNCALVIN 06-04-2018 04:56 AM

Water in furnace
 
I have just experienced a wind and rain storm, and tried to light my furnace,it would go through the proper operation sequence, besides lighting. Discovered water in the furnace. I drained the water through the igniter and dried out the furnace with the wife's hair drier. worked fine afterwards. I'm curious how the water got in there, my conclusion is that it must have entered, through the exhaust pipe.Any ideas on this. Glenn

RLBlack 11-05-2018 08:12 PM

I have had the same issue twice. I think it is running in around the furnace door on my 2017 3791RD. They changed the door on newer models.

walterc2 11-06-2018 10:48 AM

Quote:

Originally Posted by GLENNCALVIN (Post 1100997)
I have just experienced a wind and rain storm, and tried to light my furnace,it would go through the proper operation sequence, besides lighting. Discovered water in the furnace. I drained the water through the igniter and dried out the furnace with the wife's hair drier. worked fine afterwards. I'm curious how the water got in there, my conclusion is that it must have entered, through the exhaust pipe.Any ideas on this. Glenn

When you say "Drained water through the igniter", exactly how did you do that?

RLBlack 11-07-2018 07:39 AM

Walterc2 I'm not sure how GLENNCALVIN did his but I had a HVAC guy take my cover off and undo the gas line ,pull out the igniter and it was all rusty and a lot of the screen holes were rusted shut, There was moisture all over the circuit board and it would not let it start. I ordered a new board because he said it was probably shorted out and once I got it and installed it worked. We had to clean all the rust off the ignitor screen too. It rained two days later and I had to do the same thing.Put the old circuit board back in because it had dried out and furnace worked fine.

BuilderBob 11-07-2018 10:47 AM

Wear is the water getting in from is what you need to find out! We live in Washington St were it rains all the time and have not had that problem. Water must be getting from some wear.

GLENNCALVIN 11-07-2018 12:03 PM

I removed the screws from the igniter plate and used the furnace fan to blow the excess water out of the fire box. after it drained I used the wife's air drier and blew back through the furnace exhaust for about an hour, to dry everything. I then screwed the igniter plate back on and started trying the furnace. It worked ok. The water got in there because my trailer was tilted a little to the right, combined with high winds and heavy rain, this was the perfect condition for what had happened. Cheers Glenn I also put a bead of silicone around the outside plastic cover.

Razrbk 11-07-2018 12:09 PM

I replaced my furnace board, due to water damage. My problem was blowing rain entering through the top of the door/opening (board is located at the top of the opening).

Rsmarlow82 11-09-2018 12:39 PM

Same thing just happened tone Our is a brand new unit First time Best was turned on Pretty sad they have this poor of a design that lets water in

GLENNCALVIN 11-09-2018 12:47 PM

I think keeping a little list (sailor talk) to the left would help, and also putting a bead of silicone around the top of the plastic cover.


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