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Hi All, I have a Silavent 354511 model extractor fan fitted in a flat (probably about 15 years old, when flats were orginally built). It's on a pull-cord, and comes on okay, but won't turn off at all when the light is turned off. So, I opened it up, and set the timing mechanism to the...

I have a Ferolli Sigma 20-40 conventional boiler. If the heating is left to 'all day', or even on a timer, but with a long time window, then the boiler runs fine for a couple of hours or so (and the rads all get hot) but then it stops. This is problem at night when the house becomes...

All, I have a Vaillant combin 242 (about 10 years old). Have 2 problems whereby (1) the HW flow-rate is quite low - both downstairs in the kitchen and in the bath upstairs (2) the boiler didn't always fire up on opening HW. So, I've had both the diverter valve and the heat exchanger...

All, I have a terraced house, which has a leaking flat roof on an extension at the back of the house. The current roof is a felt one. A builder has recommended I get it changed to a pitched roof as this (he says) will last much, much longer than a felt one, and won't leak. The felt ones...

All, On a tenanted property, need to provide "natural ventilation near the boiler", in the kitchen, for health and safety reasons. What's the best way of acheiving this? I think one method would be by having a 6" hole (covered obviously). But what tools do I need for this, considering...

All, I've got to fit a 30 minute fire door on a property that's rented to a Housing Association. I've worked out what door to get and from where. However, I'm a little unclear as to what other bits have to be in place for the door to pass it's test, so as to speak. So, my questions are...