Breakdown of accessories HYBRID HEAT PUMPS SLUDGE FILTER Description: When water from the primary network circulates in the heating network, it forms a “metal oxide”, also known as “sludge”*. The latter collects in a range of locations (radiators, heating elements, circulating pumps, etc.), affecting efficiency and damaging the various components. Sludge filters collect these particles, thereby lessening the likelihood of this phenomenon. * Several chemical processes foster the emergence of sludge. ALFEA HYBRID GAS 2-ZONE KIT Use: same or separate heat emitters to control a second heating zone. Composition: • Electronics extension board • Second-zone circulating pump • Motor-controlled mixer valve • Flow sensor for the 2nd zone • Hydraulics accessories and connectors ALFEA HYBRID FUEL OIL A.I. 2-ZONE KIT Use: same or separate heat emitters to control a second heating zone. Composition: • Electronics extension board • Second-zone circulating pump • Motor-controlled mixer valve • Flow sensor for the 2nd zone • Hydraulics accessories and connectors Navilink A75/A78 T55 - T58 T75 - T78 Navilink 105 Navilink 225 Connect Navilink 228 Radio-Connect MODULATING THERMOSTATS (See pages 125-126 and 129) Navilink A75: (io) radio communication, wired power supply Navilink A78: (io) radio communication, battery-powered supply (supplied) Navilink T55 - T75: (io) wired communication, wired power supply Navilink T58 - T78:radio communication, battery-powered supply (supplied) Navilink 105: wired communication, wired power supply Navilink 225: radio communication, wired power supply Navilink 228: radio communication, battery-powered supply (supplied) 109
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