Why is it necessary to flush the heating system when replacing the boiler?

Thinking of replacing your old boiler with a new one? There is one important thing to consider before you go ahead with the installation – a heating system flush.

Author: VykureneAdmin

Tags: Uncategorized

4 min reading

10. September 2024

It’s not just a question of prevention or maintenance: it’s a step that can fundamentally affect the performance and lifespan of your new equipment. It is often considered by boiler manufacturers as a prerequisite for the validity of the warranty.

Let’s take a closer look at it and show you the reasons why it is good to decide on flushing the heating system.

1. Get rid of impurities that inhibit performance

A variety of contaminants, including corrosion products, dregs, scale and other sediments, gradually accumulate in the heating system as it operates. These deposits can block the flow of water and create ‘cold spots’ in radiators or pipes, significantly reducing heating efficiency. As a result, some rooms can feel cold even when the boiler is running at full blast.

A heating system flush is a process that will remove these deposits and restore smooth water flow. This not only improves thermal comfort in all parts of the house, but also prevents further wear and tear on pipes and components.

Additionally, if old impurities get into a new boiler, it can cause it to become dirty and malfunction, which could significantly reduce its lifespan and increase maintenance and repair costs.

2. Save on energy through higher efficiency

The efficiency of a heating system is often underestimated, but it is the efficiency that has a big impact on energy consumption and therefore on the overall cost of heating.

Clogged radiators and pipes lead to uneven heat transfer – some parts of the system may be overloaded, while others do not reach the desired temperature. This means that the boiler has to work longer and harder to reach the set temperature, which leads into a higher gas or electricity bill.

A system flush solves this problem by restoring even water flow and heat distribution throughout the home. This reduces the load on the boiler and maximises its performance, which leads into lower fuel consumption. In the long term, this can save you a significant amount of money while making your home warmer and more comfortable.

3. Protect your investment in a new boiler

Investing in a new boiler can be quite expensive, so it’s important to protect it from unnecessary problems. Most boiler manufacturers include a requirement in the terms of the warranty to flush the heating system before installing a new equipment. This requirement is not accidental – corrosion and clogging can cause premature wear and tear on important boiler components such as heat exchangers, valves and pumps. Without proper flushing, a new boiler can become damaged due to these deposits, voiding your warranty and leaving you facing high repair or even additional replacement costs.

Compliance with this requirement is not only about maintaining your warranty, but also about reducing the long-term risks associated with operating a new boiler.

4. Prevent undesirable noise and frequent breakdowns

Clogged heating systems can cause unpleasant noises such as gurgling, popping or knocking that are the result of air bubbles, corrosion or excessive pressure in the system. These noises are not only disturbing, but often indicate a deeper problem within the system that can lead to more frequent breakdowns. Such problems can cause your heating to go out just when you need it least in the winter.

Thus, overflushing a heating system not only results in quieter operation, but also longer life for individual components and a reduced risk of costly breakdowns.

5. Secure the value of your property

When selling or renting a property, a functional and efficient heating system can be a significant advantage. Potential buyers or tenants will appreciate it if the system is kept in optimum condition, which can increase the attractiveness and value of your property.

Regular maintenance, including flushing the heating system when the boiler is replaced, is a sign that you are looking after your property. This simple step can not only increase the comfort and efficiency of your home, but it can also help increase the market value of the property.

Rely on the professionals from Vykúrené

Flushing your heating system is a complex task best left to the professionals. The specialists at Vykurene.sk have a wealth of experience and the right equipment to ensure that your system is perfectly prepared for a new boiler.

Our services cover all aspects of heating system maintenance, so you can rely on your home to be warm and cosy, no matter what the conditions outside.

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