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Viessmann cu3a Install and Repipe

Danny ScullyDanny Scully Posts: 934Member
edited August 2017 in THE MAIN WALL
There was a lot of planing involved in this project. First order of business was to address the use of non barrier tubing throughout the system. Additionally, radiant "zones" were ran straight through high temperature "zones"...clearly proper zoning was not achieved. We replaced all existing tubing with oxygen barrier tubing and ran home runs to every flat panel radiator. We abandoned all radiant "zones", adding (2) flat panel radiators and (1) staple up radiant zone. Thanks to @Ezzyt for completely designing the system and helping with the install. The system runs off ODR, constant circulation. Every panel radiator has a TRV. The radiant zone is independently operated with a thermostat. The boiler is a Viessmann cu3a. Thanks @Dan Foley for the inspiration. The indirect is a Viessmann Vitocell 300-V. Finally, thanks most of all to a great new customer!


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