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Hi Peeps, Vokera Synesti 35 Combi boiler Hope you can give me a bit of guidance on my present boiler issue. The DHW works fine and is used regularly each day all year round. The central heating is only used during the winter months and was tried about a month ago for an hour or so and was...

Having sorted out my combi boiler I have realised that since the addition of 2 sizable rads to the system, the boiler gauge rises from its pretty static 1 bar when the heating is off up to 2.5 bar when its on. If I lock off a couple of rads and start the central heating then the pressure rises...

Hi all. I have a problem with my 6 year old Vokera Synesti 35 Combi Boiler. I have provided as much information as to the story to date. Sorry if it’s a bit long ! Day 1. Came home to find the red warning light flashing with an error code of 4 – Low Water Pressure. Checked the gauge and it...