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| Vent Damper (A device mounted in the vent connector that closes the vent when the heating unit is not firing. This traps heat inside the heating system and house rather than letting it draft up and out the vent system. Svatok) | |||
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| blast gate; bonnet ventilation; ventilation damper | |||
| ventilation flap | |||
| ventilating damper | |||
| Вентиляционная заслонка: 7 phrases in 5 subjects |
| Construction | 1 |
| Molikpaq | 3 |
| Nautical | 1 |
| Transport | 1 |
| Ventilation | 1 |