Combi safety if water off

[tomandmave]

hi newbie here. Could you tell me if it is safe to leave a combi boiler on (for central heating) if the mains water is cut off? Is it just a metter of checking the pressure?

 

[Billy Bob Bob]

yes with most combis what make is it?

 

[tomandmave]

It's a Vallant Ecotech Pro 24 - just been in 6 months

 

[Billy Bob Bob]

yes should not have any issues

 

[tomandmave]

Many thanks Mark