On 06/05/2015 20:30, Dennis@home wrote:
On 06/05/2015 20:02, Jim GM4DHJ ... wrote:
Don't like the pressurised systems, seems to many problems highlighted
on here.


I wouldn't like having a bomb in the house even with three safety
devices........



There have been a few people killed by systems with vented header tanks.
I don't recall many being killed by pressurised tanks.

I guess they tend not to be over bedrooms!

A vessel with virtually incompressible Water sounds relatively safe!