Aaon R77340 Smoke Detector 319848-301 For dead-end or liquid services

For dead-end or liquid services where tight shut-off is required

Contractors often report "rumbling" or "pulsating" during the ignition phase

ensuring the operator can investigate the root cause of the pressure spike

OEM Fitment: Engineered as a direct replacement for HH22PB030 to minimize installation labor

single throw (SPST) electrical configuration

Aaon R77340 Smoke Detector 319848-301 For dead-end or liquid servicesThe Aaon R77340 Smoke Detector is a precision engineered OEM HVAC safety component designed specifically for integration with Aaon rooftop units and air handling systems. This high performance duct smoke detector utilizes advanced photoelectric sensing technology to provide reliable early detection of smoke within the supply or return air streams. Built to meet rigorous industrial standards, the Aaon R77340 ensures seamless communication with the