We are replacing a combi in a 2 bed 1 bath terrace.
The existing combi has a flow rate of 10.2 l/m at 30 degrees, and if we have the shower or bath anywhere near full flow the water is barely warm. We run the bath with the tap barely on and the shower at about half flow. We never need to use the cold tap at all! So we're keen whatever we replace it with has a bit more oopmh.
I was thinking of the Vaillant Ecotec Plus 837 which give 15.2 l/m at 35 degrees, but the installer thinks it's more than we need and suggested a couple of boilers that give about 12 l/m.
I just tested the kitchen cold tap and got 16 l/m. Is it worth going for the 837? And apart from the cost is there any reason not to over-spec a combi?
Thanks
The existing combi has a flow rate of 10.2 l/m at 30 degrees, and if we have the shower or bath anywhere near full flow the water is barely warm. We run the bath with the tap barely on and the shower at about half flow. We never need to use the cold tap at all! So we're keen whatever we replace it with has a bit more oopmh.
I was thinking of the Vaillant Ecotec Plus 837 which give 15.2 l/m at 35 degrees, but the installer thinks it's more than we need and suggested a couple of boilers that give about 12 l/m.
I just tested the kitchen cold tap and got 16 l/m. Is it worth going for the 837? And apart from the cost is there any reason not to over-spec a combi?
Thanks