closed loop

  1. Adam McBride

    Is this venting correct for a sink below a window?

    I am remodeling my home and the plumber said this how they vent an island sink, and it would work and be in code. There is a window above the sink, and they said this was the reason they chose this method. They said it was some kind of closed loop vent...ok. 1) Is it right? 2) If not, what does...
  2. EJR-VT

    Adding Boiler Treatment to Closed Loop Heating System

    Hi All, I have a closed loop baseboard hot water heating system with two zones (one upstairs and one downstairs) in my home. The gas-fired boiler is in the basement. I don't have any air vents on the individual zones, just near the boiler itself. I am attempting to add boiler treatment/cleaner...
  3. JayNH

    Power Flushing / Acid Cleaning Closed Loop Hydronic Heating

    I'm installing a new boiler next week. I'm replacing a 30 year old Burnham combi boiler with a new Pensotti and HTP indirect. I'm replacing everything except the 3 radiant zone copper and baseboard heaters. The old system had a significant leak that was constantly being replenished with the...
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