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Old 03-24-2019, 05:07 PM   #1
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Coachmen catalina furnace

I purchased a Coachmen catalina 323bhdsck. I had quite a bit of warranty work done all fixed completely except the furnace. When I took it in during the cold season, it wasnt getting hardly any hot air and it never heated up even after 2 hours. When I got it back, still during cold season, they had found some insulation blocking the air flow and removed it. I again ran the furnace and it seemed only minimally better with so only a slight amount of air coming out and did heat up the main room to being somewhat comfortable. The bedroom was still somewhat cold. Also, the fan seems to run at high whether on high, low or auto. My old TT heated up very quickly and had quite a bit of air coming out. Does this seem normal for the Catalina or should I get it checked out further? Thanks for the help in advance.

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Old 03-24-2019, 05:36 PM   #2
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Maybe I can help, first the fan speed is constant on the furnace, most of the time the reason for feeling cold and low air flow is due to the ducts. If you drop the belly you could probably take off 15' . They get a package and just install it they don't cut to length. Also they run the ducts over drain lines electrical wires and even pull the straps to tight which will block air flow. I'm pretty sure your furnace is okay, but you have the common air flow problem. Warranty will not changes this. You would have to do it. It's not what you want to hear , but I'll venture to say that's your real problem. This is not hard to correct, but it takes time and labor to do.

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Old 03-24-2019, 05:43 PM   #3
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The duct work for the bedrooms on many is much smaller than the main room. Add to that a longer run and you will never get the same amount of heat out in the bedroom. You can try something like the link below to look into the vents to check for blockage.

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Old 03-24-2019, 05:56 PM   #4
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Coachmen catalina furnace

I was having somewhat similar issues... put eyes on my furnace and found this:
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A metal plate was barely tack welded into that gaping hole. I guess our bumping down the road broke it loose and it fell INTO the hole. Warm air that should have gone out the ductwork was actually sucked into the return air and reheated!

Fixed now.
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