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Hi, I need to replace a Randell 102 and have purchased a Horstmann Centaurplus C27. I tried to swap the units over today using the wiring guide provided with the C27 but had no joy. The boiler is a Potterton Suprima 60L (pumped) but there's no hot water circuit, only heating. I've...

Hi, We've had some new keys cut and have found that one of them just spins when you try and lock the door. This only happens from the outside and only on trying to lock it - can lock/unlock from inside and unlock from outside. Any ideas? Is this a poorly cut key or a dodgy lock? TIA.

We're just moving into a new office that has a Randell 102 timer installed. As we're not going to be in at the weekends I'd rather replace the 102 with a timer that can have separate programmes for the weekend. I believe I'm right in saying that the Randell 102 and the electronic Randell...

Hi, We're moving into a new office that has several (approx 20) telephone sockets dotted around the offices that all come back to a connector box such as this: The phone system we've installed uses CAT5e so we're not using any of the existing phone cabling or sockets. However, we will...

Hi, We are moving into a new office that has a Modern Alarms (Series 3000) alarm fitted. The office has been empty for some time and the system has obviously been turned off. Turning it back on again sounds the alarm and the panel shows a tamper warning. I have tried tracking down Modern...

Can anyone provide the circuit diagram for 2, 2 gang switches operating one light. I can't figure out how its all connected in the switching circuit so that each switch can function independantly of eachother and its really bugging me! Thanks.

Here's the situation: I want to replace our current ugly florescent tube in our kitchen with some down lighters. I live in a converted bungalow and so access above the ceiling is limited and lifting up the floor boards is basically out of the question. Any suggestions firstly, on what sort of...