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Vitodens PB repipe-PGP

Paul Pollets
Paul Pollets Member Posts: 3,427
We've spent the past week repiping a system that is 8 years old. PB pipe in radiant slab and as distribution to CFT baseboard on 2nd fl. The orig WM boiler was severely corroded and filled with red mud. We've repiped the distribution manifolds, chemically cleaned the piping, and added 4 Buderus WPRads to rooms that were heated with electric cadet units. We're keeping the home warm with elec radiators and will set the Vitodens on Monday. The revisions in the mech room required several days of piping, wiring and cabling rerouting.

Instead of a Low Loss Header, a flat plate heat exchanger has been installed to separate the PB system from the boiler system. The HX was sized to handle the flow rates. Built the basic distribution piping on the wall while waiting for the sheetrockers. I'll post the final setup pics when we commision the new system late next week.

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