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Caleffi iStop DN25 (1") frost protection valve, operating temperature up to 90 °C

Caleffi iStop DN25 (1") frost protection valve, operating temperature up to 90 °C

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CHF 96.40
CHF 96.40
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Beschreibung Spezifikation Bewertungen
  • To prevent frost damage to outdoor units of monoblock heat pumps
  • If there is a risk of frost due to a power outage, defective circulation pump or similar, it releases the heating water.
  • Outdoor installation required in the flow and return lines
  • Installation in vertical pipelines
  • Opens at a medium temperature of +3°C, closes at a medium temperature of +4°C

Technical data:

  • Ambient air temperature: 30°C to 60°C
  • Media: Water, water/glycol mixture up to 30%
  • Housing material: Brass
  • Drainage capacity:
  • 0.5 l/h (at 5°C and 3 bar)
  • 1 l/h (at 20°C and 3 bar)

  • For heating operation up to 90°C
  • Without ambient air sensor
  • Operating pressure: max. 10 bar
  • Operating temperature range: 0°C to 90°C

Brand CALEFFI
Connection DN 25 (1"), male thread, flat sealing
Manufacturer part number 108602
Unit price CHF/piece
kv value [m³/h] 55

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