How To Chemical Flush Central Heating
What is a Chemical flush?
Chemical flush is the cleaning process that makes possible the cleaning of your boiler from build ups that may have been created inside it such as rust, sludge, or debris. These factors make your boiler’s performance downgrade and deliver less heat in your house. Chemical flushing is a less intense version of powerflush because it doesn’t use a powerflushing pump that pushes water at high velocity, but instead uses chemicals on a normal circulation and requires low water pressure. Chemical flush for central heating is recommended to be done in cases of a new boiler installation or when boiler has not reached yet large scales of debris and sludge that may require a power flushing service and not a chemical flush service.
Signs You Might Need A Chemical Flush For Central Heating :
It can be hard to tell when the right time is for a chemical flush for central heating or if that’s what you need and not a power flush service. Here you will find the some of the most common signs you boiler is giving you that it needs a chemical flush for central heating:
- Boiler is making noises that has never done before
- Your radiator is starting to not heat up the room as before
- Radiators water is getting browner each time you check it
- You notice some cold spots at the bottom of your radiator
These signs are caused by sludge and debris built inside of your heating system that make its performance drop slowly. Doing a chemical flush for central heating improves overall performance of your heating system and saves you from future power flushing or repair expenses.
When Should You Make A Chemical Flush For Central Heating?
What we recommend is to make a chemical flushing every 5-6 year for a well maintained boiler, but as for every service, there are several situations when you might consider doing a chemical flush for central heating as:
- Before you make a new boiler installation
- If you’ve never done it before since you first installed and the 5 year period has passed
- If your house narrow microbore pipes that allow clog to build up more easily
- When you have made major work in your system
As we said it all depends, but these are the recommended periods and cases when you might need to make a chemical flushing.
Benefits Of Chemical Flush For Central Heating
After doing a proper chemical flushing, you might also want to know the benefits you’ll get after doing it. Some of the benefits you’ll notice as soon as you make the chemical flush for central heating include:
- Quieter boilers and less noise around your house
- Better radiator performance and better temperature in your rooms
- Lower energy bills
- Clean system that runs uninterrupted
How To Chemical Flush Central Heating?
Step 1: Shut of the power of the boiler and the entire heating system
Step 2: Drain the system, but don’t drain it completely
Step 3: It’s important to choose the right flushing chemicals (Check your boilers manual as they may provide with recommended products)
Step 4: Put the right amount of flushing chemicals without it overflowing
Step 5: Run the central heating system for some hours and let the flushing chemicals do it’s work
Step 6: After some hours, remove the bond and the old cleaner, and refill it with clean water
Step 7: And an important last step is to make sure to put a corrosion inhibitor to protect it long term and ensure the top performance of your heating system
Common Mistakes And Can You DIY?
While it may seem like it’s an easy straightforward job, that you can easily do it yourself to save some money, it can make you spend twice as much in the future because of not following the right steps of the process. Some of the most common mistakes that can make you rethink the opportunity to DIY, include:
1. Using the wrong flushing chemical
That can cause either your boiler to get damaged because the chemicals are too aggressive, or make the process not function and the boiler not to get cleaned, because the flushing chemicals are not strong enough.
2. Not bleeding every radiator the right way
It’s an important step because locked air inside the radiator can once again cause the cold spots we are trying to fight.
3. Forgetting to add a corrosion inhibitor
As it may seem like an easy thing that you’ll swear you won’t forget, our experience with chemical flushing has proved the opposite. This step is crucial because it protects your radiators and boiler from rusting in the future.
These and more, are the reasons why it’s always advised the work is done by a Gas Safe Registered engineer, to ensure the boiler is left clean and working properly without any damage caused during the process. Our experienced engineers are ready 24/7 to come across anywhere you are located in London within 40 minutes, offering expert chemical flush for central heating solutions, with a fast, clean and reliable process.
