Can I turn my water off and leave the heating on and is it safe if the heating leaks?

[pilotman14]

I have a Worcester combi boiler and I am going on holiday for 3 weeks.
I am planning on turning my water off at the mains and keeping my heating on. I know this is fine but my concern is if the heating system leaks and the system empty's and the boilers remains on, would that be safe? Or am I over thinking it? I would assume the boiler has a safety cut off or something

Thanks for any help

 

[foxhole]

The boiler won’t run if pressure drops due to a leak .

 

[gas112]

Boiler has safety devices that would stop it staying on so dont worry

 

[pilotman14]

The boiler won’t run if pressure drops due to a leak .

Thanks for clearing that up. Was just worried it might blow up or something haha

 

[transam]

Afai recall unlike the majority of makes

All or some ? Worcester combis don’t have low pressure cut off switches ?? Or primary flow switches ??

Shuts down via temp sensor(s) ??

 

[pilotman14]

Afai recall unlike the majority of makes

All or some ? Worcester combis don’t have low pressure cut off switches ?? Or primary flow switches ??

Shuts down via temp sensor(s) ??

Well this has made me concerned again haha

 

[transam]

Well this has made me concerned again haha

No don’t be

Some one may come along in a bit and contradict me ??

We don’t work on a lot of WBs