Help! Can you please help me understand pressure vs flow how to get a really hot shower fed from a combi boiler?
Our Worcester Bosch combi Boiler gives us “warm” water when any sink hot tap is fully open but you have to turn down the tap flow to get scorching hot water (Small Bungalow, so only one floor involved)
We now have a new Grohe shower installed and we are struggling to get the water really hot. It’s hot, but not really hot…. Just about acceptable with the heat dial at max. The shower has separate flow and heat deals and I have noticed that you can get it a lot hotter if you turn the flow down to nearly off. Therefore I presume this is some kind of flow issue (like the taps). The standard Grohe flow restrictors don’t seem to help the situation.
So what’s the solution can I resolve the issue by just trying different flow restrictors on the shower or should I be looking at the cold water pressure?
Secondary, as the hot taps can’t be used fully open (and retain high heat) should I be looking at the cold flow / pressure feeding the combi boiler?
Overall, is this a pressure or flow issue, or both?
Any pointers would be great. Thanks
Our Worcester Bosch combi Boiler gives us “warm” water when any sink hot tap is fully open but you have to turn down the tap flow to get scorching hot water (Small Bungalow, so only one floor involved)
We now have a new Grohe shower installed and we are struggling to get the water really hot. It’s hot, but not really hot…. Just about acceptable with the heat dial at max. The shower has separate flow and heat deals and I have noticed that you can get it a lot hotter if you turn the flow down to nearly off. Therefore I presume this is some kind of flow issue (like the taps). The standard Grohe flow restrictors don’t seem to help the situation.
So what’s the solution can I resolve the issue by just trying different flow restrictors on the shower or should I be looking at the cold water pressure?
Secondary, as the hot taps can’t be used fully open (and retain high heat) should I be looking at the cold flow / pressure feeding the combi boiler?
Overall, is this a pressure or flow issue, or both?
Any pointers would be great. Thanks