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Another Vito Combi

Paul Pollets
Paul Pollets Member Posts: 3,656
Just commissioned this Viessmann 222F combi with a "staple-up" main floor and wall panel radiators on the 2nd fl. Took out an oil-fired steam system that was way past its prime. The owners took advantage of the new gas main on the street and we piped the home for new gas appliances. This boiler is a compact answer to smaller homes with less than 3 baths. The integral HX and SS storage tank won't handle filling a large soaking tub or huge DHW flow rates, but has many advantages.
XmytruckRobert O'BrienRobGSWEI


  • EzzyT
    EzzyT Member Posts: 1,290
    Paul, really nice and clean work. I like that expansion tank bracket.
  • jonny88
    jonny88 Member Posts: 1,139
    I imagine its an expensive unit.Quality products but a hard sell I would think with the water limitations.@Rich is this in the same market as HTP.Very nice install.That Taco fill valve has given me problems before.Install looks great.
  • SWEI
    SWEI Member Posts: 7,356
    Believe it or not, the 222-F is less expensive than the Rinnai equivalent (at least around here.) The space savings plus reduction of installation T&M easily justify it when/if the sizing works out. IMO a much better fit for small spaces than other combis we have available here in the US.
    jonny88Paul Pollets
  • njtommy
    njtommy Member Posts: 1,105
    Wow looks great.
    J. WALTER BOOTH Member Posts: 21
    nice and clean i do have to ask about the expansion tank support bracket. who makes its?
  • Paul Pollets
    Paul Pollets Member Posts: 3,656
    Flamco makes the bracket...
  • M_Smith
    M_Smith Member Posts: 6
    edited October 2015
    you have to love fostapex for a clean pex install.

    I have to ask, why the odd fill/backflow combination? Code specific?
  • Paul Pollets
    Paul Pollets Member Posts: 3,656
    The RPZ is required in WA state. The fill valve (PRV) is attached to the RPZ
  • M_Smith
    M_Smith Member Posts: 6
    Right, thought so. We use the combination units up here, watts 911s, or caleffi 573009A
  • Aaron_in_Maine
    Aaron_in_Maine Member Posts: 315
    Does that unit have a internal expansion tank for the heating side?
    Aaron Hamilton Heating
    ahheating@ yahoo.com
  • Paul Pollets
    Paul Pollets Member Posts: 3,656
    Yes, it has an internal exp. tank within the cabinet for heating side.
  • NYplumber
    NYplumber Member Posts: 503
    Nice install and nice to see you using their mixing valve as a complete package.
  • Paul Pollets
    Paul Pollets Member Posts: 3,656
    we always use the mixing valve and motor when establishing a required secondary temperature.