EXHAUSTO Box Ventilator BESF
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3902009 12.08 Product Information V ENT ING DE S IGN SOLUT IONS Specifications are subject to change without notice. Use The EXHAUSTO BESF Box Ventilator is intended for use as an exhaust or supply air fan. Install the BESF in-line in the duct system. It is specifically designed for applications where reliable and efficient operation, low noise level, low energy consumption, variable speed and compact design are important. Typical uses are: residential kitchen exhaust and commercial and residential combustion air supply. For indoor installation only. Description The EXHAUSTO BESF Box Ventilator is an efficient ventilator with a forward curved impeller. The ventilator housing is made of galvanized steel and insulated with fiberglass mats. The insulation reduces noise level and the risk of condensation. The BESF is equipped with an energy-efficient, totally enclosed (TEFC), variable speed motor. A service door provides easy access to the inside of the fan and the duct connections. The motor and impeller are mounted on the door. A locking bolt on the housing secures the door. The duct connections are slip connections with builtin rubber seals. An optional flexible connection is available. The ventilator can be mounted on the floor with vibration resistant support legs or from ceiling mounted brackets. Material The housing is made of galvanized steel and insulated with 1.25” thick fiberglass mats. The forward inclined impeller is made of 304 SS. Motor Commercial grade, totally enclosed, variable speed single-phase motor. Class F insulated with sealed and permanently lubricated ball bearings. Thermal overload protection. Accessories Flexible connections, FLF Proven Draft Switch, PDS Fan Speed Control, FSC Listings ETL listed to UL705 and CSA C22.2 No. 113- M1984, Standard for Power Ventilators CE compliant Manufactured at ISO9001 certified plant Warranty 2 year factory warranty EXHAUSTO Box Ventilator BESF

Product Information EXHAUSTO Inc. 1200 Northmeadow Pkwy. Suite 180 Roswell, GA 30076 P: 770.587.3238 F: 770.587.4731 T: 800.255.2923 info@exhausto.com us.exhausto.com 3902009 12.08 V ENT ING DE S IGN SOLUT IONS Model Lw dB Lp 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz DB (A) BESF 146 48 48 48 41 38 35 32 40 BESF 160 53 54 51 43 39 36 32 41 BESF 180 55 60 53 46 41 36 32 47 Capacity Tolerance: +/-3 dB Lw: Sound Power Level. Noise to suroundings. Lp: Sound Pressure Level. 3 feet (1 m) from the center of the fan. Note: A sound power level of 30 dB is equivalent to a voice at a very soft...