SOURCE: worcester bosch greenstar 25Si?30Si pressure gauge showing high
a couple of things , is your filling loop disconected ? , and are all your radiators blead from air, have you got a high point where the air can get stuck in system say pipes going into roof etc you may need to fit a air release valve in line at highest point to remove the air from system , your boiler should be around 1.5 bar running preasure average setting . if you are constanly filling with water you could be exceeding the pressure valve limet which releases pressure from system this could be faulty ?
SOURCE: Bosch boiler System
it means that the boiler wants to be serviced, the boiler will still work fine. Once the boiler has been servcied, there are a succession of buttons, that need to be pressed, to tell the boiler that it nhas been serviced. then 365days after it will do it again. Its there to prompt you, to get the boiler serviced
SOURCE: i have low pressure on my Worcester Bosch 30si but
connect filling loop from cold main too heating flow or return you,ll find teed pressure system by short quick flicks at the valve on the cold supply best of luck
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