Is there any better feeling than slipping into a warm shower after a long day? Finally, you can feel the city grime rushing off you. Your muscles ease, your mouth opens in pleasure, and then…you’re leaping out because a sudden water surge has either scalded you or turned your shower water to ice.
We feel your pain. Unreliable shower temperatures really can turn washing into a chore. You certainly won’t be able to relax when you’re constantly on alert like this. Not to mention that showers can take significantly longer as a result.
But did you know that there are steps you can take to ensure a well-regulated shower temperature at long last? Keep on reading as we get into them.

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Well, a lot of this will come down to property size. For instance, large homes with multiple bathrooms are generally best served by system boilers, as these have a hot water cylinder that can keep pressure high and temperatures hot under simultaneous use. By comparison, a combi boiler tends to be preferable for small houses, as it’ll heat water on demand to deliver continuous hot water if your shower is the only appliance running at the time.
In each instance, Worcester boilers like the Worcester Bosch Greenstar seem to be particularly well regarded for their consistent water heating across both system and combi models.
We feel your pain. Unreliable shower temperatures really can turn washing into a chore. You certainly won’t be able to relax when you’re constantly on alert like this. Not to mention that showers can take significantly longer as a result.
But did you know that there are steps you can take to ensure a well-regulated shower temperature at long last? Keep on reading as we get into them.
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1 - Choose Your Boiler Wisely
If you’ve got the wrong boiler for your home, then it’s possible your hot water simply runs out mid-shower, or that your boiler simply struggles with demand. Choosing a well-suited boiler can help with this, but where do you start?Well, a lot of this will come down to property size. For instance, large homes with multiple bathrooms are generally best served by system boilers, as these have a hot water cylinder that can keep pressure high and temperatures hot under simultaneous use. By comparison, a combi boiler tends to be preferable for small houses, as it’ll heat water on demand to deliver continuous hot water if your shower is the only appliance running at the time.
In each instance, Worcester boilers like the Worcester Bosch Greenstar seem to be particularly well regarded for their consistent water heating across both system and combi models.
2 - Check Your Water Pressure
If you’ve got the right boiler and you’re still having issues, then it might be time to check your water pressure. Uneven pressure is a leading cause for temperature fluctuations, and that’s true regardless of how great your boiler is at the other end.Sometimes, this happens simply because of sediment inside your plumbing line, which you might be able to dissolve using a simple white vinegar and bicarb mix down your drains. Alternatively, you may have a faulty pressure regulator. In this instance, your best bet is to seek professional help or even install pressure-balancing valves in your shower itself.
3 - Install a TMV
A TMV, or thermostatic mixing valve, is a handy device that automatically regulates hot and cold water in your home. With this device in place, which you can do yourself with a little plumbing competency or entrust to professionals, you can ensure that your shower stays hot, even if someone flushes the toilet downstairs.This is an invaluable benefit and, while it won’t address deeper-seated or boiler-based issues, it can help if other household members are the main reason for your shower mishaps. A TMV is especially useful if you have a large house with multiple bathrooms that are causing issues.
Put a stop to stop-start showers once and for all by taking these proactive measures to improve matters!










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