Featured
Boiler Cutting Out When Running Hot Water
Boiler Cutting Out When Running Hot Water. This can often be caused by a faulty boiler valve or more typically, a leak in the system. Fix the leak, repressurise your boiler and you’re back up and running.

By mrsaddams » tue jun 02, 2009 4:48 pm. If your combi boiling system is older, it may have 15mm pipes which won’t supply enough gas. If your combi boiler fires up then turns off, this is likely to be the 'preheat' function.
Boiler Runs Ok For 15 Mins If Heating Hot Water But Longer If Just Rads On, Approx 1Hr, Then Cuts Out.
I found that in some boilers the pump is supposed to run on after the boiler has switched off until it drops below a preset temp. 21:37 wed 20th aug 2008. However, it’s important to note that while it’s common for the pump to get warm, or even hot, it should never become dangerously hot.
They Are All Warming Lovely.
If you have poor water pressure on the hot water side, you will notice a trickle coming out of the hot side of the tap. Mine does this with the shower on. If the diverter valve doesn’t sound like the issue, you can read more about “worcester boiler no hot water” in our full guide on the subject.
Sorry Cant Be More Helpful.
You hear it go quiet just as if you're not asking for hot water anymore. This will help to melt the ice and, hopefully, bring your boiler back to life. This combi boiler shows it is on (there is demand for heat from it) but the hot water tap only receives brief spells of luke warm water.
Mine Has A Potentially Faulty Thermostat Causing The Problem.
Bleed the closest radiator till it drops to 1.5 bar. May need an engineer to actually have a look and see how showers piped and where from etc. If there is air trapped in your system, try.
Low Pressure Can Be Caused By A Leak In Your System.
By mrsaddams » tue jun 02, 2009 4:48 pm. The pump (grundfos alpha 2l) must be working or the radiators wouldn't be getting hot right? However, if it keeps firing up then quickly turns off again, this could be a sign of short cycling.
Comments
Post a Comment