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  1. #1
    Join Date
    Jun 2004
    Location
    St Paul, minnesota
    Posts
    1,168

    munchkin Boiler questions

    What is the difference between a Munchkin Boiler model# T80M & model# 80M. The house that I'm installing it on has cast iron radiators & no zoning is wanted or needed, but i will need it to have outdoor reset with primary & secondary pumps. Do i need to install the vision 1 kit also or can i just buy the outdoor sensor & a relay pack separate. I think the T80M is a wall mount & the 80M is a floor mount. Are both Boilers the same efficiency & modulation rate? The thing that i don't understand is the venting in the installation instructions. They're both 80,000 BTU's modulating boilers, but the T80M calls for 2" venting while the 80M calls for 3". does anybody know why?

  2. #2
    I installed a munchkin in my own home, and yes the only difference is one is wall mount and the other is floor mount. As for why 1 vent is 3" and 1 is 2", I don't know, I used the vision 1 and I really like it, but I was surprised it was only a couple of wires and its basically already built into the control. I'm not a plumber so I used a boiler board that had all the pumps and accessories. It made for a very clean install. Good luck!

  3. #3
    Join Date
    Jun 2007
    Location
    Minneapolis, MN
    Posts
    730

    Munchkin

    The local rep. has all the answers.

    Sales - MNJon Schroeder 877-720-7983


    MA

  4. #4
    Join Date
    Jul 2008
    Posts
    21

    Boiler Board?

    Quote Originally Posted by falkenater View Post
    I'm not a plumber so I used a boiler board that had all the pumps and accessories. It made for a very clean install. Good luck!
    Can I purchase a boiler board already assembled??

  5. #5
    Join Date
    Jun 2007
    Location
    Minneapolis, MN
    Posts
    730
    "T" models are wall-hung and 2" vent (something the other manufacturers should take not of). The 80M is floor mounted and 3" PVC. The Vision Kit is simply the sensors as the controls are the same for all units.

  6. #6
    Join Date
    Feb 2008
    Location
    Altmar, New York, United States
    Posts
    4,582
    i believe the floor model is called a contender. #mc80. we sell them. on the ones we have i don't see a t in the number. how old is the boiler?

  7. #7
    Join Date
    Jan 2003
    Location
    Kansas City
    Posts
    1,482
    modulating range output weight eff
    T50 18,000 to 50,000 16,000 to 46,000 58 lbs. 92
    T80 19,000 to 80,000 17,000 to 74,000 58 lbs. 92
    80M 27,000 to 80,000 25,000 to 74,000 75 lbs. 92
    140M 46,000 to 140,000 43,000 to 129,000 101 lbs. 92
    199M 66,000 to 199,000 61,000 to 183,000 111 lbs. 92

  8. #8
    Join Date
    Jun 2007
    Location
    Minneapolis, MN
    Posts
    730
    The "Contender" I install is HTP's new low cost wall hung modcon.

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