I've had my boiler for 5 years. Last week i had to top up water as boiler indicator flashing red and pressure at 0.4 bar. I have had to top up every 2/3 days now. i have checked for any visible signs of leaks around rad valves but all seems ok. however i have just topped up again and noticed the indicator flashing green and the pressure went up to 3.3 bar. I got worried and bled the nearest rad so as pressure went down to 1.5 bar and turned the boiler off. i left it there but then pressure dropped to 0.8 bar. i turned the boiler on again and as the temperature increased the pressure increased to 3.3 bar again. i turned boiler off. the pressure has now dropped to 0.6 and res flashing light is on.
any help or advice would be greatly appreciated.
thanks
any help or advice would be greatly appreciated.
thanks