The 770MRL is a mains powered ionisation smoke alarm with rechargeable lithium battery back-up and a PUSH-FIT docking base system; designed to ensure quick and easy installation of base unit to the mains feed supply at installation stage (1st fix) and for quick

The 770MRL smoke alarm is a mains powered ionisation smoke alarm with rechargeable lithium battery back-up and a PUSH-FIT docking base system; designed to ensure quick and easy installation of base unit to the mains feed supply at installation stage (1st fix) and for quick and easy connection of alarm to base unit (2nd fix).

View online or download Brk electronic 770MRL User Manual, Owner's Manual.

The BRK 770MRL (also known as 670MRL) mains powered ionisation smoke alarm provides quick detection of fast flaming fires and is typically installed in upstairs landing areas. Fitted with a sealed self-charging lithium back-up battery, the 770MRL does not require a battery change for the life of the alarm, making it ideal for properties where ...

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The BRK® 770MRL Ionisation Smoke Alarm is mains powered with a 10 year, sealed for life, rechargeable lithium battery that will provide power to the unit in the event of a mains failure. With a test and alarm pause button, it will also notify you in the event of a low battery.

Fitted with a sealed lifetime self-charging lithium back-up battery, the BRK 700MRL series of mains powered smoke and heat alarms are Kitemarked to the latest British Standards and have a 5 year manufacturer's warranty.

Check battery has been fitted correctly. Check alarm is not beeping. Test alarm before switching on the electricity supply. Check the green light is on (behind the front grill). Check the red light flashes every 45 seconds or so. WARNING: Wiring should be installed by a qualified electrician in accordance with BS7671.