Frost-proof valve series 108, with ambient air sensor
XXX.XX
€/unit
Description • For preventing frost damage to external units of monoblock heat pumps • Drains the heating water if there is a risk of freezing due to a power cut, defective circulation pump or similar • Installation in the outdoor section of feed and return flow pipes required • Installation in vertical pipes • Opens at medium temperature of +3°C, closes at medium temperature of +4 °C Technical data: • Ambient air temperature: -30°C - 60°C • Media: water, water/glycol mix up to 30% • Housing material: Brass • Draining capacity: - 0.5 l/h (at -5°C and 3 bar) - 1 l/h (at -20°C and 3 bar) • For heating and cooling mode • Shuts off the frost protection function from an ambient temperature of 5°C • Max. operating pressure: 5 bar See catalogue
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