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HVAC sensors. Smoke detection. Spread of fire gases in ventilation ducts. Zone 1. Zone 2. Zone 1. Zone 2. Spread of fire gases in ventilation ducts. Protection against spread of fire gases in ventilation ducts. Fire damper. Smoke detector. Zone 1. Zone 2. Zone 3.
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Spread of fire gases in ventilation ducts Zone 1 Zone 2
Zone 1 Zone 2 Spread of fire gases in ventilation ducts
Protection against spread of firegases in ventilation ducts Fire damper Smoke detector Zone 1 Zone 2 Zone 3
UG-4, replaces UG-2 • Better flow • Easier installation • New venturi pipe • Patented
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