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I would make a guess that it is lime scale which is rather contaminated with some iron. Do you have any iron pipes in your water mains supply? Easy enough to chemically test it though.

If you claim to be vulnerable the water supplier might deliver some bottled water to you. You can make plastic bottles warm in a microwave.

I am wondering if the rubber washer has come off? Is it fitted so that the inlet is below the washer? If not I am wondering if high mains water pressure has pushed the washer off its spindle.

It might be at the extreme end of the scale but it is still giving you the typical temperature that hot water tanks are set to. When using water it is normal to mix some cold water with the hot to obtain water at the temperature that you want to use it at. We cannot see the whole tank but...

A friend with one fitted two years ago bleeps for low battery warning. An ST-622. But it is a rechargeable battery and says it should not be recharged or replaced. It is meant to last for 10 years and the whole alarm replaced then. Seems to say the smoke detector part only has a life of 10...

I have something called just "Smart Music Lighting" with no model number or anything else. I cannot find any instructions for it anywhere. Can anyone suggest a typical similar model which I could use to follow the setup instructions?

As I recall in order to get your Whats App For Windows you do need a smart phone to look at a QR code as part of the setup procedure. Once set up it is useful on a PC to see new WA messages. But I think it is somewhat limited as to what you can do with it on a PC.

It does not seem to happen on another laptop which is used on the same wifi. Since this laptop gives the "cannot connect" error then I expect it is a problem with my laptop.

This seems to be only on Community Fibre which is the network that I am usually using.

I have an ASUS X553S running Windows 10. Quite a nice laptop with a 15" display. It logs into my WiFi whenever I turn it on as set to. But after a couple of hours it disengages the WiFi and if I try to manually reconnect it says "Unable to connect". But does not show any reason why...

If I remember correctly the boiler stat has an NTC thermister on the end of thin wires. But to respond properly the pocket the NTC goes into has to be filled with thermal conduction paste. You can buy that for computer processors. But if caught out some silicone grease will do a temporary job.

It is very likely that a noisy fan will need to be replaced with a new one. Some firms do recondition fans although the quality of their work varies very widely. One of the best firms was sold about a year ago and I do not know if the purchaser is doing a good job or not.

Leak sealer might stop the leak but I think that many installers do not trust it not to block something internal.

The Vaillant 615 has been a pretty reliable boiler and any leak is most likely to be on the system rather than inside the boiler. It should be quite repairable up to at least 15 years.

You should check the resistance of the sensor. Probably a nominal 10k at room temperature. Also check that its plug is making properly. A common fault is that they can go open circuit. If you wanted to check that the boiler PCB is properly reading the sensor put a 10k resistor across the...

A friend in Manch had a roofing contractor try to inspect his roof. But it would not go above 8m. He said he was more than 3 miles from the airport. But today he had a flyer from the airport showing their safeguarding map which included his location. So how can the airport interfere with a...

A security scan of my router shows an Apple elthan camera connected. How could anyone do that without the password?

Merely replacing a system boiler should not have disturbed the Megaflow flow rate or the cold water flow rate either. I cannot guess what the installer has done. Possibly he turned off the stop cock and has not fully turned it back on. Many would say call the installer back to investigate for...

This doorstep is south facing and has not been painted for many years. I would like to paint it with some Dulux exterior Trade gloss paint as I already have some donated by a neighbour. In an ideal world I would use red masonry paint but that would be quite expensive and this is for a lady who...

I wanted to remove the battery from my 307cc. But when I disconnect it the alarm goes off. But what is powering the alarm when the battery is disconnected?