Recent content by Peter_K

Neil, No its the wireless sender unit connected to the door contact, the battery needs replacing but I have no idea how to separate the unit no screw, no clip

We have a raised area of the garden with a dwarf brick wall around it and steps to the upper level. Ever since the wall was built, 2 years ago, the brickwork has white stains/patches all over it. There is soil behind the wall with no liner between. What options do we have?

This is the contact.

A friend of mine has some old aluminium sash windows on his flat but one of the fasteners has broken off one of the windows and the window now keeps dropping down. Is there any way of repairing/replacing the fastener?

I have a Risco Gardtec wireless alarm system and I have been changing the batteries in the PIRs for years. I now need to change the battery in a door contact, but I have no idea how to get into it. There are no slots or screws around the sides, top or bottom. There are just wires going into a...