PPI RECOMMENDATION E : 2016
Current
The latest, up-to-date edition.
RECOMMENDATION AGAINST MIXING HYDRONIC HEATING WATER WITH POTABLE WATER
06-03-2017
Provides radiant heating systems the flexibility to work with a wide variety of heating sources, such as low-temperature condensing boilers, geothermal water-to-water heat pumps, air-to-water heat pumps, thermal solar collection systems, and even wood-fired boilers.
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