How to physically remove a heater ... - Page 3 - Fiberglass RV


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Old 03-22-2012, 09:13 AM   #29
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Name: Mike
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Thanks spanke! That's easy enough to remember.
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Old 03-22-2012, 10:16 AM   #30
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Spanke, thank you. As a geek, I always think of the most complicated scenerio...

how simple. Yes, I have Dremel and cut off wheel..

from the inside out.. simple! It pays to think outside the box..er, inside the tube..er...

sigh.. now I have tonites project.

I don't even have to consider rebuild.. this will be noisy..but easy. I will leave the outer tube as a passive fresh air intake. I heat with unvented heaters (I bought a Buddy heater yesterday as a stop gap until I get this out and the Blue Flame in) and the passive ventilation gives me a safety comfort point.

I did this with the guts from my 13 foot Burro Cat heater and it worked out well.
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Old 03-22-2012, 10:35 AM   #31
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I went over to talk to Joe Thoen at Outback/Trillium yesterday. He got the tubes apart, but he had to remove the outer fresh air duct by drilling out the spot welds, then lots of heat with a torch and work it with a pipe wrench to get the exhaust tubes to telescope again. He tells me that he has a high temp anti seize compound on it so it will not be a problem in the future.

I also told him of the problems I was having with it not producing enough heat. He is testing it to see if it is the valve.
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Old 04-12-2012, 12:37 AM   #32
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The Frankin Vent

Yes it was the valve. Very pricey touch. I went looking online and the valve is at least $250 plus shipping to Canada, which according to UPS apparently near the moon. Joe at Outback / Trillium installed a new valve for $450, including the valve. Not bad seeing as he spent hours getting the exhaust apart. I think he gave me a deal.

Yeah, that's allot of cash for a rusty, 34 year old furnace. But, before I discovered all the other great things about a Trillium 4500, I really liked the idea of a gravity furnace. And especially the one on a 4500. And I likely would have spent more on a new one, that I don't like as much. Other then the valve, not much to go wrong. The burner and all other steal shows just a thin and spotty layer of rust.

A question for those in the know. Do I paint the burner and or fire box with anything, or just leave it alone?

Attached are pictures of the vent re-build. Or, as I like to call it, the Fannkin Vent. Notice that I still have the same problem with fit that I had before. The top of the vent is about an 1/8" out from the bottom. The top row of hole go into the bottom of the closet. Otherwise I would do what I am going to do with the rest of the holes, which is using a stainless steel bar, 1/16" thick or so, and 1/2" wide. Use it as a large washer for stainless nyloc nuts on stainless counter sunk bolts.


I tried to pound the vent with a pry bar and a hammer, (yes I wore safety glasses). But I just don't have the knack for metal bashing. I can live with the damage I did to the vent. Now I am thinking gasket. Any recommendations?
Attached Thumbnails
Exhaust Vent - Repair - 01.jpg   Exhaust Vent - Repair - 02.jpg  

Exhaust Vent - Repair - 03.jpg   Exhaust Vent - Repair - 04.jpg  

Exhaust Vent - Repair - 05.jpg   Exhaust Vent - Repair - 06.jpg  

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Old 09-27-2012, 01:50 PM   #33
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I would just leave and not paint those item. As you note the item (new) was not painted then either. Probally OK to paint the exhaust and intake pipe tho.

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Old 09-27-2012, 01:51 PM   #34
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Forgot to ask. What are you using to replace the asbestos gaskets??

Ron
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Old 09-27-2012, 02:17 PM   #35
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I did not paint the fire box, but I did paint the burner. It was so rusty that I worried that it would not last another 30 years. I used black high heat paint on the parts that were not stainless steel. I taped off the air intake. I also painted the cold air connection on the back of the fire box with the same paint. It was just as rusty as the burner.

As for the asbestos gasket replacement, Joe Thoen at Outback / Trillium put a silicone gasket in. I just talked to him. He can sell you what he uses. His phone # is (403) two seven two - 3929. You should have a sketch of the gasket that you require.

It should be noted that I did not use the Frankin vent either. Since I purchased a spare furnace, I used the vent from that. I kept the Frankin vent for a spare.
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