How to Repressurise a Worcester Greenstar 4000 Boiler (Step-by-Step Guide)

If your Worcester Greenstar 4000 boiler is showing low pressure or the heating isn’t working properly, this step-by-step guide will show you exactly how to repressurise it. I’ll walk you through how to safely top up the water pressure using the filling loop andwhat pressure level to aim for. 👉 What you’ll learn: • How to check your boiler’s current pressure • How to add water pressure to a Worcester Greenstar 4000 • The ideal pressure level for normal operation This is a quick and easy DIY fix that can save you a call-out! 💬 If this video helped, please give it a thumbs up and subscribe for more home maintenance and boiler-care tips. #WorcesterGreenstar4000 #BoilerPressure #RepressuriseBoiler #WorcesterBoiler #DIYBoilerFix