To Order Call Toll Free: VS-12 Hydrogen Gas Exhaust FanModel # VS-12 Ventilation Systems VS-SEIRES 48 VS-12 Louvers and Sliding Collar Product Overview The VS-12 exhaust fan is designed to work with hydrogen gas detectors to protect battery charging rooms and other locations where motive and stationary batteries are present. The VS-12 can also be used where there is a possibility of other flammable or toxic gases accumulating in confined spaces. VS-12 fans feature a sliding collar for easy installation in walls 1 1/2” to 8” in thickness. Fixed external rain louvers and motor driven internal louvers provide weather resistant venting. Energy costs decrease as a result of controlled exhaust fan operation rather than continuous fan operation. Three models are available: 120 VAC, and 24 or 48 VDC. Optionally the VS-12 is available with the fan reversed for use as forced make-up air for the main vent fan. Features • 850 CFM wall mounted fan • Powered louvers • Designed for use with explosive or toxic gas detectors, including the Eagle Eye HGD-Series • LED status display • Motorized louvers locked when open or closed • Simple installation with sliding collar to fit different wall thicknesses • Long operating life • Available in 120 VAC and 24 or 48 VDC versions • Insurance premuium reduction may be realized Technical Specifications Ordering Information VS-12 Fan Compatible with Eagle Eye HGD-Series hydrogen gas, smoke, and intrusion detectors.