I have an ELM Leblanc combi gas boiler (approx 12 years old).
After returning from a couple of days away I noticed that the pressure gauge was at zero. I topped it up to 1.5bar and switched on the heating. The heating runs fine, but the gauge just drops back to zero after topping up.
I'm sure that there's not a leak in the pipes, I haven't been bleeding the radiators recently either.
Any ideas where the water could be going?
Thanks in advance,
Mark.
After returning from a couple of days away I noticed that the pressure gauge was at zero. I topped it up to 1.5bar and switched on the heating. The heating runs fine, but the gauge just drops back to zero after topping up.
I'm sure that there's not a leak in the pipes, I haven't been bleeding the radiators recently either.
Any ideas where the water could be going?
Thanks in advance,
Mark.