How do I re pressurise or top up the water in my Worcester grecnstar 4000 combi boiler? 

A short video on how to top up the water pressure in the Worcester Greenstar 4000 combi boiler, if you need any further help please drop us a message at www.nicholsonheatingservices.co.uk
Nicholson Heating services is a family run business covering the north east of England , specialising in high quality boiler installations, service and repair.
#lowpressure #heating #plumb #plumbing #gasengineer #worcesterbosch