hydronic systems

  1. Woody PME

    Hydronic Heat Rust issues:Thermolec B model

    Ok, I’m hoping this is the category for this thread but if not please steer me in the right direction: I am having issues with corrosion in my hydronic floor heat system. The system includes a Thermolec B model electric boiler. Now I’m pretty mechanically inclined but have little...
  2. zapps

    Avoid combi-boiler short cycling with piping configuration?

    I'm looking to replace my Rinnai tankless water heater that is used for hydronic heating (w/ wall-mount convectors) and domestic hot water. The system is open-loop so I want to use this opportunity to make it close-loop as well. Most of the contractors that came to estimate propose Navien combi...
  3. Davie

    Zoning for basement heating

    I'm still working on a system design for my very lossy two storey house with unfinished basement. I'm looking at having one zone on each aboveground level, but I'm wondering what I should do about the basement. My heat loss calculations for the basement show 14,500 BTU/h total loss at design...
  4. carriagehousereno

    Designing a new hydronic system for my home, cast iron radiators and radiant floor?

    So i'm about to disconnect my old Weil-McLain boiler and hook up a new Navien NCB 240 combo boiler which we've been using for DHW since January. I know, I've already been told elsewhere on here that the NCB 240 is overkill for the size of the house and may likely not work efficiently because...
  5. Timothy Graham Work

    Boiler selection

    Hey guys, new to the forum here but seems like a great resource for this sort of stuff. I'm just finishing my first home build and have installed pex tubing throughout the house. It's approx 2600 sq Ft including the garage (which I also put tubing in and plan on heating). I am located in BC...
  6. Joshua!

    Help sizing PEX-AL-PEX for hydronic heating

    So I had to do basement renovations which led to removing the majority of my existing hydronic heating line feeds(amongst lots of other things). It was fairly haphazardly run, so this wasn't the worst thing. Previous setup was direct return 1" main with mostly 1/2 feeds to the radiators...
  7. tropostudio

    Incredible Introduction to Hydronic Systems

    Check out 'Understanding Hydronic Systems' by John Siegenthaler. Or as URL: http://spacepak.com/hydronictraining/HydronicTraining.pdf This just about covers it all :).
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