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Cast Iron sealed combustion boiler

Le John
Le John Member Posts: 226
edited March 14 in THE MAIN WALL
Good afternoon all - Weil McClain used to make a CGA that was a sealed combustion boiler but I don't see that on their web site any longer. Did they stop making that model? I need something small around 40 to 50K to go into a first floor closet. I thought about the smallest Lochinvar Knight but running a condensate drain is a problem. Anyone know of a sealed combustion unit?

Comments

  • gyrfalcon
    gyrfalcon Member Posts: 162
    X-PV - US Boiler / Burnham or Crown Bali 2 
    There are likely other variants of this design.  I was looking into these but with additional direct vent kit and other factors, my contractor informed me that the cost is higher than a Lochinvar Knight.  
    Slant Fin Galaxy GG100(1986) , 2 zone hot water baseboard, T87 Honeywell thermostats. 
    Le John
  • kcopp
    kcopp Member Posts: 4,431
    CGa was standard Nat. Draft... CGs was sealed combustion. power vented.
    GV90 is all they offer in sealed Ci.
    More companies are ditching CI due to rebates on High eff units.
    Le John
  • mattmia2
    mattmia2 Member Posts: 9,623
    If you can get the vent out for a mod con you can get tubing from a condensate pump out. They are reliable if installed properly.
  • kcopp
    kcopp Member Posts: 4,431
    I have used a bunch of IBC HC50's They fit almost anywhere.... including closets.
    Le John
  • Le John
    Le John Member Posts: 226
    mattmia2 said:
    If you can get the vent out for a mod con you can get tubing from a condensate pump out. They are reliable if installed properly.
    @mattmia2 wouldn’t the water in the tubing freeze if the condensate was routed outside?
  • mattmia2
    mattmia2 Member Posts: 9,623
    It would be better to get it to a laundry tub or a floor drain or a tee in a trap under a sink but there are ways to make the outdoor part drain so it doesn't freeze.

    What kind of emitters do you have, what swt do they require, will it be condensing much?
  • Le John
    Le John Member Posts: 226
    mattmia2 said:

    It would be better to get it to a laundry tub or a floor drain or a tee in a trap under a sink but there are ways to make the outdoor part drain so it doesn't freeze.

    What kind of emitters do you have, what swt do they require, will it be condensing much?

    Base Board with water temperatures between 150-170
  • mattmia2
    mattmia2 Member Posts: 9,623
    Unless it is adequate at much lower temps in milder outdoor temps that is going to produce very little condensate.