Simplex 4903-9427 S/F 24/09 This base provides a secure

This base provides a secure and stable connection for detectors

1 Heat / 1 Cool Conventional or 2 Heat / 1 Cool Heat Pump

nitrogen dioxide

and 110 cd effective flash intensity

Simplex 4903-9427 S/F 24/09 This base provides a secureTrueAlert non addressable audible and visible notification. For applications requiring audible visible (A V) notification with horn tones, these Simplex 4903 series appliances combine a high intensity strobe with a low current electronic horn in a compact package that is easy and quick to install. Each appliance can be controlled independently from each other using conventional reverse polarity NACs.