i have changed the actuator on my boiler it is a sunvic and drained the system my upstairs radiators are only luke warm and my downstairs radiators are cold i have bled them but they are still cold
i have a baxi boiler which had a rwb9 siemens timer and i have replaced it with a tempus drayton 7 the siemens timer wouldnt work so i replaced it now my burners wont ignite