How do I re-pressure my Glow Worm 18sxi bolier? The digital pressure reading is showing 0.4 bars and has a flashing red light.
-I've tried resetting the boiler several times
-I've looked for a filling loop like the other model boilers, but can't find one
Please can someone advise?
-I've tried resetting the boiler several times
-I've looked for a filling loop like the other model boilers, but can't find one
Please can someone advise?