Airmaster MTR-556SP Single Panel Shutter Motor Kit 0.5 GPM ) 2-5/8 Type of Base

) 2-5/8 Type of Base Stationary

Allegro 9832 ambient air pump

making it a flexible choice for different circuit protection needs

For Use With Nova Helmet

Model # 3951-3S-95

Airmaster MTR-556SP Single Panel Shutter Motor Kit 0.5 GPM ) 2-5/8 Type of BaseThe model MTR 556 SP is a single panel exhaust shutter motor pack, designed to be used with shutter model 556 SP. Field installation is required to convert gravity exhaust shutter to motorized operation. This motor pack features power open spring close, which provides closure in the event of electrical failure. This motor pack is equipped with motor, motor bracket, linkage and mounting hardware.