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a smaller orifice size (e
Engineered as a 41-590 direct replacement for 101
it effectively isolates the motor from the blower wheel assembly
effectively preventing the varnish buildup and corrosion common in high-heat flue exhaust environments
the UB564 refrigeration motor provides a reliable 0
System Sensor 5621 Detector a smaller orifice size (eThe System Sensor 5621 is a commercial grade dual circuit mechanical heat detector designed for high reliability fire detection in environments where traditional smoke sensors are prone to nuisance alarms. This 135F fixed temperature and rate of rise heat detector utilizes two independent circuits to trigger both local alarm systems and auxiliary devices like fans or door closers. The Rate of Rise (ROR) element responds to temperature increases