Mains Powered Heat Alarm with Alkaline Back-up Battery - Firehawk FHN450BBMains Powered Heat Alarm with Alkaline Back up Battery Firehawk FHN450BB The Firehawk FHN450BB is a mains powered heat alarm with a replaceable alkaline battery backup, which is supplied with easy to replace AAA alkaline back up batteries. The FHN450BB is perfect for installations in kitchens, garages and unoccupied lofts with its advanced thermistor detection to assist with heat detection. Any low battery warnings or end of life chirps can be

Height 114mm

BG White 1 Gang 20 Amp Double Pole Secret Key Grid Switch

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Fitted with moisture protection gasket

Easy to clean coated

Both alarms have specially designed sensors to protect against contamination

- Powerful cooling technology

Any Geberit Duofix frame with 18 cm fastening centres is compatible:

You'll discover WC and bathing options

Fitted with a secure key lock

maximum temperature adjustable

Easy to clean cover