Even though recent temperatures have been around 27 degrees celsius it’s always recommended to switch your heating on for 5 – 10 minutes every couple of weeks to avoid any mechanical parts seizing.  Depending on the type of heating system you have and its condition parts such as the pump and motorised valves can get stuck in one position if left un-used for too long.  These parts can seize on all systems however older, open vented systems are more prone than others. Open vented heating systems are those that have water tanks in the loft. As the water in the system is open to the atmosphere oxygen can get back into the water which causes rust. As you may know the black sludge in the heating system is unoxidised rust. This sludge is magnetic and would stick to the magnet in the pump motor. The sludge can also block up other parts such as the heat exchanger on the boiler and the pipes themselves, in a similar way that eating a high fatty diet would block up your arteries.

If you know you have an old heating system that has not been treated or flushed in the last 5 years, then ultimately the best thing to do is to have a central heating flush. However in the meantime turning on the heating system for a few minutes will prolong the life of the parts on the heating system.  If sludge is left to settle the sludge turns into a solid. For those of you who have smart heating controls have the benefit of being able to turn the heating on remotely while they are not home, so they’ll stay comfortable

If you have any concerns regarding your heating system get in touch to arrange a free review.

Its been a long time since my last post. The main reason for this is I’ve been busy repairing boilers and heating systems and replacing boilers over these last few weeks. If you have a non – condensing boiler, specially if your boiler was installed before the year 2000 then its likely that the boiler is coming to the end of its life cycle. The average life cycle of a boiler is 15yrs.  If you have had your boiler serviced every year and the manufacturer of the boiler is a reputable one then your boiler could still be running fine, and it could last for up to 25yrs. However if the boiler has not been well maintained and it is a lesser known manufacturer then I would recommend saving for a replacement boiler. In 2005 it was made compulsory to install only condensing boilers due to them being a lot more efficient. This means it was not possible to buy an non – condensing boiler after 2005.

How do I know if I have a non – condensing boiler?

The main reason why condensing boilers are more efficient is because they extract more energy / heat out of the fumes that leave the boiler through the flue (chimney if you like) of the boiler. Due to more heat being taken out of the fumes condensing boilers have a plastic internal tube, which is fine because the fumes are not hot enough to melt plastic. A non – condensing boiler must have an all metal flue because the fumes are a lot hotter.

Here are a couple of pictures of old non – condensing, less efficient boilers.

Old boiler flue

Old Boiler balanced flue

Below is a picture of a more efficient condensing boiler

If you are still uncertain if you have a condensing boiler or not, or you would like a boiler service would like a more efficient boiler then get in touch to arrange an appointment.

If you are thinking about renovating your property then I would strongly recommend installing underfloor heating because it is much cheaper to run and provides a much better performance. Due to the source of heat coming from the ground, the temperature of the water running through the underfloor heating pipes is much lower than the water temperature in radiators. Lower water temperature means your boiler works less which means lower bills. Have a look at the YouTube video below for more information on why underfloor heating is better than radiators. Pavlou Plumbers are BPEC qualified underfloor heating installers so please get in touch for more info or to book a review.

[youtube height=”HEIGHT” width=”WIDTH”]https://www.youtube.com/watch?v=ZaPo7x0KlKg[/youtube]

Buying a new radiator

When choosing a radiator for a room it is important to make sure the heat output is enough to heat the room. The heat output on each radiator will be shown as BTU. To find out how many BTUs a specific room needs to heat up measure the length, width and the height of the room and then go to this link.