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Frost protection valve CALEFFI iStop Series 108901, DN40 (11/2") AGOrder no.: 90 095 75
XXX.XX
€/unit
immediately available Description • To prevent frost damage to outdoor units of Monoblock heat pumps • Drains the heating water if there is a risk of frost due to a power failure, defective Circulation pumps or similar • Installation required outdoors in the supply and return flow pipe • Installation in vertical pipework • 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 • Discharge 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 65°C • Without ambient air sensor • Operating pressure: max. 10 bar • Operating temperature range: 0°C to 65°C See catalogue
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| Manufacturer item no.: | 108801 |
| Connection: | DN 40 (1 1/2”), ET flat-sealing |
| Cv value [m³/h]: | 72 |
| EAN: | 8016615446524 |
| Connections: | External thread |
| Cv value: | 0 - 72 |
| Opening temperature °C: | 3 |
| Closing temperature °C: | 4 |
| Housing material: | Brass |
Data sheets
