Whether you choose a gas, oil or renewable solution for your home, it is always important to protect and maintain your system. If this doesn’t work, you may need a new boiler. If you do, find out how much a new boiler costs now a get a fixed price quote online. Put simply, re-pressurising your boiler means allowing more water to enter the system. And while other combi boilers use a filling loop to do this, some Worcester Bosch boilers use an internal filling key.

Remove the hatch on the underside of your boiler – you’ll find the internal filling key clipped inside The full procedure of repressurising a Worcester combi boiler must be done with maximum alert on performing all the steps mentioned above properly, or you could get a Worcester boiler service to get a professional to do it for you. You'll be able to identify if you have an external filling loop, because there'll be two valves;one from the mains cold water and then a second valve which is connected to the heating system. But Worcester Bosch boilers are re-pressurised in a slightly different way to other modern combi boilers. So, it’s important to know exactly how to do it. Our industry first RF key acts as a wireless receiver between the control and boiler, meaning the Bosch EasyControl can be installed wirelessly.Us in the trade put a little silicon grease on the keys O rings but you could use soap...it will be easy to fit the key then. Based on installing a new A-rated condensing boiler in England, Scotland and Wales with a programmer, room thermostat and thermostatic radiator controls (TRVs) in a gas heated detached home from an older G-rated boiler with a programmer and room thermostat. Figures are based on fuel prices as of October2023. Savings will vary depending on the size and thermal performance of your home. Source: Energy Saving Trust. When it reaches the standard pressure indicator of 1.5, then you will need to tighten the white plastic nut until the water stops entering into the system. To work efficiently the Worcester combi boiler needs to operate on a standard pressure, between 1/ 2 bar, and 1.5 bar is the optimum Worcester boiler pressure level.

Here are some of the other main boiler manufacturers that also often require the pressure topping up and we have provided a guide for each of them: One key feature of the new Lifestyle range is compatibility with the new wireless Bosch EasyControl. The boiler is operating in minimum mode. This should not last any longer than 15 minutes. Leave the boiler alone for 15 minutes, if the symbol is still showing after 15 minutes, please ring us on 0330 123 9559 to arrange an appointment.High pressure can damage your boiler in a variety of ways, including leaks in the system and a build-up that can eventually cause permanent damage. If you notice that your hot water isn’t as warm as it should be, it’s possible that your low boiler pressure is affecting the temperature of your hot water. Thirdly, I was just trying to give people a warning about the filling key, although it may be just my particular boiler, because on the boiler manual and official video here: The boiler is operating in maximum mode. This should not last any longer than 15 minutes. Leave the boiler alone for 15 minutes, if the symbol is still showing after 15 minutes, please ring us on 0330 123 9559 to arrange an appointment. Save' function - this is only seen when an adjustment is made in the menus, and then saved. Does not appear in normal operation. misterdubya: thank you for taking the time out of your obviously busy life to read all of my post and provide such an insightful comment. No doubt you are some form of gas engineer with 90+ years experience, who fits boilers one-handed while browsing with the Iphone in the other hand just to help other posters with your searing common sense.