New shower, but concealed therm valve not working. Water turns cold. I've heard about boosting it with a venturi shower valve, should I have installed this instead? Should I do it now? Expensive shower now shunned by whole family because it's cold.
should I replace my thermostatic shower mixer with venturi?
- Thread starter cherpel
- Start date
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How do you heat your hot water?
Vaillant combi boiler. Low pressure in house, bath takes 30 mins to fill! But once it's hot it stays hot, yet the shower goes cold after 5 mins. I have a feeling the thermostatic valve can't cope with the pressure differential. (something about cold = high pressure from mains, hot is low pressure from boiler which is low down in house).
Your combi boiler is shutting down because of insufficient flow rate from your incoming cold main it will never work correctly unless you get the water flow rate sorted
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