In message , ARW
writes
On 25/11/2018 20:55, Tim Lamb wrote:
Slightly sideways and pertinent to why detectors may be
disabled..... battery life?
Set of 3 linked detectors. Batteries all failed within 2 weeks after
about 6 months use! PP3s are not cheap!


Lack of mains power?

I didn't install them! Trip is on at consumer unit.

I would expect 5 years for a normal mains powered with battery back up
smoke detector before the battery goes flat.

That's more like it.


PP3s are about a quid unless you buy them at a petrol station.

Huh. Tell Tesco.


--
Tim Lamb