But it would be able to do that even if the pressure in the system was say 0.3 bar
My question was, why operate at 1 bar system pressure (as most boilers seem to) instead of say 0.3 or 0.5 bar?
??
The expansion vessel is only there to accommodate the water expanding as it is heated up.
In gravity fed systems the expanding water went to the tank in the loft.
A domestic combi boiler/system for DHW and central heating.
Why does the system have to be pressurised to 1 bar.
Why not 0.2 to 0.5 bar?
When the pump runs, that will also create pressure in the system.
Thanks
The flip side of the argument
Some tradesman charge an arm and a leg to fix simple things, and would the tradesmen not just do the same thing, minimum cost max profit
Thanks for the tip. Good idea.
At this stage, just looking to control the room thermostat.
Will move on to TRV's later. My current TRVs are all manually controlled.
Evening
Looking to get boiler and central heating cover.
Anyone used any of the smaller companies and are they any good:
- warranty people
- corgihomeplan
- heating247rescue
- etc
thanks
Evening
For the home central heating system, I am looking to replace the very basic room thermostat with one that has more advanced features:-
- Programmable, ideally have settings for each day of the week.
- Bluetooth capability so can be controlled from Android smart phone.
- Boost feature...
As the cylinder is not leaking now, it's highly probable that the plumber "fabricated" a leak to "generate" some extra work/income - and they are know for doing this sort of thing. And then did the job properly the 2nd time round. Epitomizes the trust worthiness of many trades and not just...