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Reply to Agile: The boiler is about 20 years old. I had the megaflo installed about 2 years ago and had a new pump and valves at the same time. The timer and the room thermostat are old. The problem I have has been there ever since I the megaflo installed. I have been too lazy to do...

Glasgowgas: it was easily rectified but the 2 scenarios sound similar to me. How was it rectified, please? twgas: What do you mean by "unless there's a frost stat." Thanks for the quick responses.

I have a Potterton Profile 100e boiler. Even when the programmer is not switched on, the boiler seems to come on every few minutes for a few seconds and then switches off. At the same time, the pump is hot all the time and makes a noise as if it is all the time. I have a megaflo system and a...

I have a Randall 922 Programmer about 20 years old. I am trying to get the wiring diagram for it. I have been on the net, but can't find it. If anybody can help me, would appreciate it.

What is meant by ceiling being a fire barrier?

I am considering fitting low voltage halogen downlights in one of the downstairs rooms in a detached house, above which is one of the bedrooms. Do I need to fit fire rated lights?

I have obtained a couple of quotes for cavity wall insulation. One installer uses the product InstaFibre White Wool from InstaGroup. Would appreciate any comments from anybody who has had experience of this product. Also, I was advised by the surveyor that because they cannot have access...

I am thinking of replacing the carpet in my hallway area with either a wooden floor or tiles. I know the tiles could be very cold onto in the winter. Would underfloor heating cure this. My floor is concrete. I do not want to dig the concrete to lay underfloor heating pipes. So the only...

I have a fan in the ceiling in my bathroom, the ducting going in the loft. Should the triple pole isolater switch for my bathroom fan be sited outside the bathroom or if is it OK to have it in the loft?

I have a single light connected to the fan by a pull cord in my bathroom. I am thinking to replacing the single light with 5 down lights. Should the downlights be connected in a star shaped circuit with spurs going from a junction box to each light's transformer or should the cable be run from...

A TP switch is the best solution for isolation for a timer fan. What is a TP switch?

I am now confused. If I am using a pull cord to operate the light and the fan in the bathroom, do I need an isolating switch? Thanks for the replies so far.

I am thinking of buying a fan for the bathroom - Vent-Axia Silhouette 100T. Reading the notes on the wiring, it mentions to use a double pole isolating switch. What is this? Is this in addition to the pull cord I have?