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Strange DHW set up

Smith19 Member Posts: 108
Hello everyone,
I am looking at renting a property and was sent a pic of the boiler. I have not seen it in person yet. It's a Weil-Mclain WGO-4 with the Carlin E-Z fire. The system is a monoflow system with an extra baseboard zone. The DHW seems to be a tankless coil - which makes sense for the era of home - but in that case the large white tank on the right is confusing. Any ideas? Hopefully this system won't be a debacle.


  • Leon82
    Leon82 Member Posts: 684
    edited January 2018
    they are probably heating the storage tank with the tankless coil. I would imagine it may save some energy because the boiler isn't remaining at temp for the whole year if using just the coil.

    is there a pump attatched to it?
  • lchmb
    lchmb Member Posts: 2,997
    edited January 2018
    top right looks like an electric line. Wonder if they shut the boiler down during the summer and switch to electric.. looks like the coil is shut off half way up the wall behind the boiler