If there is no lid underneath your boiler, then you will often find that the heating engineer will have left the key already inserted into the boiler (to ensure that it doesn’t get lost). However, like any mechanical system, Worcester boilers may occasionally require adjustments to their pressure levels. 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.

If this is a Worcester boiler key that has snapped inside then a heating engineer can drain the boiler and fit a new filling loop/key for you, there is a new design now which does away with the key to prevent this from happening or loosing the key. and did a great job repairing a leaking boiler and necessary repairs to cure the constant drop in pressure and need to fill the system regularly. Now that the key is in the right position, you should be able to see a nut next to the key – turn the nut in an anti-clockwise direction. Our Find a New Boiler tool is the easiest way to find and compare Worcester products suitable for your home heating requirements and only takes a few minutes. Low pressure can lead to issues such as reduced heating performance and potential damage to your boiler.

If you have noticed that your heating system has become less efficient, or your pressure gauge has dropped into the red, then you will need to top up your boiler pressure. Push the key up into the unlocked position and turn it to the right – to lock it into position (following the locked symbol). At this point, be sure to take a look at the pressure gauge, where you should see the black needle on the pressure gauge begin to rise.

New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging . As with the previous method, make sure the boiler is turned off and allowed to cool down completely. Prepare a Container: Place a container or towel under the valve to catch any water that may be released during the process. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products.They arrived with protective tarp to protect the floors while working and left the place perfectly clean. The small Optimino key is all that is needed for connection to a boiler and you can future proof your install if you have, or want to add, solar PV. Steve has been servicing my boilers for 3 years and performed a full flush and strip down service this year. We are proud of the quality of our refurbished parts and they come with 12 months replacement warranty.

Please note, these items will arrive at a different time to products dispatched from our head warehouse. His communication was excellent throughout and he arrived bang on time, completing the install with no fuss and a great final result.Read more about the condition New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable). He even came back on Saturday morning to check it was all ok as there was still a very slight drip from the air pressure vent. We really appreciated his honesty, which saved us from replacing the whole boiler, and now as a result we won't use anyone else. TradeHelp is a trading style of TradeHelp Ltd, Marchwiel Centre, Bryn Lane, Wrexham Ind Est, LL13 9UT, registered in England (03712438), authorised and regulated by the Financial Conduct Authority (firm reference number 697812).