Why does my boiler water keep going cold?
Combi boilers are a lot more reliable than they were ten years ago. However, combi boilers are prone to the common problem of causing the hot water to go cold or lukewarm and then back to hot again. Symptoms like these are usually signs of a blockage in the hot water heat exchanger in the boiler.
Why does my bath water go hot then cold?
If your water temperature fluctuates, the pressure-balancing valve might be to blame. Your pressure-balancing valves open and close depending on your water flow in your plumbing system. This drop in pressure sends scalding hot or freezing cold water to your shower head.
Can a combi boiler run hot and cold?
That is quite a lot to expect from a combi boiler without backup hot water in a cylinder in the attic. If a combi boiler can’t manage all the hot water demands simultaneously, then it gives hot running water priority. Therefore, it may turn the radiators off temporarily, while someone draws water in the kitchen, runs a bath, or takes a shower.
Why does my Combi water heater keep going cold?
Combi boilers are high-efficiency water heaters and central heating units. They are perfectly able to heat your home and provide hot water, without the need for a separate water tank. But this also comes with one common problem of causing the hot water to go cold or lukewarm and then back to hot again.
Why does my combi boiler turn off when I take a shower?
If a combi boiler can’t manage all the hot water demands simultaneously, then it gives hot running water priority. Therefore, it may turn the radiators off temporarily, while someone draws water in the kitchen, runs a bath, or takes a shower.
Why is my Combi shower going hot and cold?
However this is different from the problem of a shower going hot and cold while a combi boiler appears to be functioning normally according to what you can see. You may have noticed the pressure in the garden hosepipe is not as good when someone is filling the bath, or doing the weekly laundry perhaps.
That is quite a lot to expect from a combi boiler without backup hot water in a cylinder in the attic. If a combi boiler can’t manage all the hot water demands simultaneously, then it gives hot running water priority. Therefore, it may turn the radiators off temporarily, while someone draws water in the kitchen, runs a bath, or takes a shower.
Combi boilers are high-efficiency water heaters and central heating units. They are perfectly able to heat your home and provide hot water, without the need for a separate water tank. But this also comes with one common problem of causing the hot water to go cold or lukewarm and then back to hot again.
How long does it take comibination boiler to produce hot water?
Your first post said it takes 3-4 minutes to get hot. Now you say it only 0.67 minutes! I timed a new Worcester boiler to produce hot water to a sink just 2.5m away and it was about 30 secs. So far it seems pretty normal ! Your first post said it takes 3-4 minutes to get hot.
If a combi boiler can’t manage all the hot water demands simultaneously, then it gives hot running water priority. Therefore, it may turn the radiators off temporarily, while someone draws water in the kitchen, runs a bath, or takes a shower.
