Boiler system vented/pressurised/help!?

[M.J.S]

Hi All,

I've recently bought my first house and just getting to grips with the heating system installed.

The house is centrally heated from Worcester 28CDI combi boiler, is there a way to tell if the system is a pressurised one or open vented or other type?

The main reason for the enquiry is we have a terrible electric shower installed and I'm wondering if we could go for a mixer style on and if we can install a pump/if we would need a pump.

Sorry if this is a dumb question...!

Ta

[cjs]

One benefit of a Combi boiler is the very good shower you get from them. Just need a thermostatic shower mixer and a HW and CW feed, you should already have these in the bathroom on the basin and bath.

No need for a pump. A normal/good mains pressure will be adequate.

Oh and the central heating will be pressurised/sealed. The HW is heated directly by the boiler as and when you need it.

Edited by cjs on Wednesday 20th October 16:30

Edited by cjs on Wednesday 20th October 19:46

[Ricky_M]

The heating SHOULD be sealed/pressurised if it is a combi. I say should as I have seen a few combis that have been open vented.

The hot water will be mains fed, so long as you have a decent incoming mains pressure and flow rate you could have a mixer shower installed which will perform better than an electric one.

Bear in mind, if you remove the electric shower, you'll have no hot water if the boiler breaks down.

[M.J.S]

Hi Guys,

Thanks for the replies. Thats helped out a lot.
I think its time to consider removing the elec shower and get a mixer in there.

Its got to be a better than the elec one in there now.

The heating is pressurised - Thanks