How to Repressurise a Main Eco Compact Boiler:
Step-by-Step Guide
Maintaining the pressure on your Main Eco Compact Boiler is essential for its efficient operation and optimal performance. Over time, the pressure may drop, requiring you to re-pressurise the boiler. We will provide a step-by-step guide on how to repressurise a Main Eco Compact Boiler, ensuring it operates at the recommended pressure levels and functions effectively.
Step 1: Gather the Required Tools and Materials
Before you begin, gather the following tools and materials:
- Combi boiler user manual
- Filling loop (if provided with your boiler)
- Towel or cloth
Step 2: Locate the Filling Loop
Normally with this boiler, there is a built-in combi filling loop underneath the boiler with two blue levers, but sometimes people don’t fit the built in one and fit one with a flexible hose that connects the boiler pipes which is normally the cold water and the return pipe.
Step 3: Check the Current Pressure
So on this boiler just like most of them, it requires the pressure to be on 1 to 1.5 bar for it to function and turn on. If the boiler is below 0.5 this will need topping up and this will be why your boiler has shut down.
Step 4: Switch off the Boiler and Allow It to Cool
So before we start filling up the boiler, we will need to turn the boiler off and allow it to cool down, this is because if we top the boiler up while it is still running, the pressure gauge will not get the correct readings. This is important so it will not cause further damage to your boiler.
Step 5: Open the Filling Loop Valves
Now it’s time to start filling up the boiler. To open the combi-filling loop, you want to turn the blue levers with the pipe and not across the pipe, make sure you do this slowly and carefully otherwise, the pressure could shoot up. Make sure you open one of the levers first and then slowly do the second one.
Step 6: Monitor the Pressure Gauge
Make sure you are keeping an eye on the pressure gauge while you are doing this. This is very important that you make sure you fill it to 1 to 1.5 bar and not all the way to 3 which is in red and it messes your boiler up!
Step 7: Close the Filling Loop Valves
Once the pressure has reached 1 to 1.5 bar, close the filling loop valves, so make sure they are across the pipes and not with the pipes. This will disconnect the mains water supply from the boiler.
Step 8: Check for Leaks
Inspect the filling loop, valves, and surrounding areas for any signs of leaks. If you notice any leaks, this will more than likely be the reason for your pressure to be going down over time. I would then suggest contacting a qualified engineer to come and help solve the leak.
Step 9: Monitor the Boiler's Pressure
After re-pressuring the boiler, monitor the pressure gauge to ensure it remains stable within the recommended range. If you notice any significant drops or fluctuations in pressure, it may indicate an underlying issue. In such cases, contacting a qualified heating engineer for further investigation is best.
Re-pressuring your Main Eco Compact is a straightforward task that can be done by most homeowners. By following this step-by-step guide and consulting your boiler’s user manual, you can ensure the pressure is at the recommended level for efficient and safe operation. However, if you are uncertain or encounter persistent issues, it is always advisable to seek assistance from a qualified heating engineer. They have the expertise to diagnose and resolve any underlying problems with your combi boiler.
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