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  1. #27
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    The proper way is a pressure test. You could actually make one. All you have to do is pull the Air diaphragm and put a plug in the hole, then pull exhaust at furnace and plug it. The only thing you need is the gas flapper because you have to attach a 12" long nipple to it and put a gauge and shredder valve on. Pretty simple plugs range from 3/4" to 1 1/8"

  2. #28
    Join Date
    Jun 2012
    Posts
    527
    I actually have a brand new pulse heat exchanger in the crate in my basement. This reminded me I need to throw it in the scrap bin.

  3. #29
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    Quote Originally Posted by Freightshaker View Post
    I actually have a brand new pulse heat exchanger in the crate in my basement. This reminded me I need to throw it in the scrap bin.
    It would make a good boat anchor!

  4. #30
    Join Date
    Jun 2012
    Posts
    527
    Quote Originally Posted by Joehvac25 View Post
    It would make a good boat anchor!
    I think I would have to fill it with lead. The old sea ray wouldnt know it was there. Need to attach it to a dirtbike. That's what those looked like to me.

  5. #31
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,728
    Quote Originally Posted by Freightshaker View Post
    I think I would have to fill it with lead. The old sea ray wouldnt know it was there. Need to attach it to a dirtbike. That's what those looked like to me.
    pulse HX is pretty heavy, i would bet with the edges on it it would make a great anchor.

  6. #32
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    I have to pull a pulse out Tomorrow and I'm not looking forward to it, there so damn heavy!

  7. #33
    The pulse furnace is pretty much obsolete. Lennox no longer supports most parts. The ignition control has always been a problem and there is an after market replacement avaiable from Johnstone Supply. I hav used 1 sofar and it has worked. Time will tell if it last better than the original. The air flapper diaphram should be replaced yearly. Also some of the older units had a plastic assembly for the diaphram and the threads where it screws unto the furnace would fail allowing the assembly to fall off preventing the furnace from fireing. Be carefull with the spark plug they are not easy to access and break easily if you don't have the socket on straight. Check your condensate drains and the termination of the flue pipe for obstructions. Good luck.
    PS: your customer would be best served by reccommending the furnace be replaced as they did have heat exchanger problems and should be pressure tested every 4 years.

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