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Heat exchanger tool
Dave19
Member Posts: 28
in Gas Heating
Have been running into more and more plugged condensing boilers due to lack of service. I know Viessmann makes a tool specifically for scraping the junk out of the coil but locating one is impossible. Anybody have anything they like to use for this type of situation? I probably shouldn't keep using credit cards. Thanks
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Comments
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In the electronics industry we use a lot of printed circuit cards, the good ones are built on a fiberglass board that is from 0.03 to 0.06" thick and tough as nails. If you can find a plastics supplier in your area they should have what you want. If not you can order it from McMaster-Carr
http://www.mcmaster.com/#grade-g-10-garolite-sheets/=11ye2yu
BobSmith G8-3 with EZ Gas @ 90,000 BTU, Single pipe steam
Vaporstat with a 12oz cut-out and 4oz cut-in
3PSI gauge1 -
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I thought I came across a Lochinvar cleaning kit for the gionni hx boilers. It looked like it had some kind of flexible rod in it0
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The last couple were Burnham Alpines. Thanks for the ideas guys.0
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Are the boilers that are plugged are the natural gas or LP gas models.
That is why I like the fire Tube heat exchanger design boilers.0 -
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Are we talking the coffee grounds?0
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Yes, the coffee grounds. What are those anyway, anybody know?0
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I see those in a lot of Gianonni HX. Its a byproduct of the LP gas.0
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I have a 2003 Munchkin 199,000 on NG that needs "grounds" cleaned out at a minimum of every 2 years.....exhaust and intake are maybe 5' apart.
Also a NG Lochinvar Knight full of grounds after 1 season. Exhaust & intake 4' apart.
Grounds are able to be picked up by a magnet.
Where does that come from in a stainless steel coil?
I don't believe it is only a LP issue.
I do see why many are going to fire tube rather than water tube. If one thinks about condensing gas furnaces, they are all fire tube and seldom need attention on NG. They just about never get cleaned......... if they need it or not! That is to say they seldom present a problem that I have seen and do not get opened up. I have some 90+ furnaces installed in the 90's and they so not kick off on pressure switches. I think the condensate draining is cleaning the small tubes.0 -
Combustion side HX cleaner for condensing boiler made from SS or Aluminum. CLEAN F9A & F9B
http://axiomind.sasktelwebhosting.com/boiler-cleaner.php0 -
Axiom has a lot of credibility here. Have you actually used these?0
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Sorry for the poor pictures. But this is my friends Buderus GB142 I cleaned. If used on aluminum there are two solutions that need to be sprayed on separately. Clean F9A, rinse with water, Clean F9B then rinse again.
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Do you know where I can buy Axiom F9A & F9B? I'm in MA. I contacted RST Thermal in Westwood, they're listed on Axiom's site, but nobody's in the office today and I'm looking to clean a GB142 this weekend. Thanks in advance!0
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Use mineral oil as per Buderus maintenance instructions.Bob Boan
You can choose to do what you want, but you cannot choose the consequences.0 -
Mineral oil as @Ironman mentioned is what I have herd. I think drug stores have it0
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