Find out what could be behind your latest water heater malfunction.

I took my 2001 ka to a local garage as the heater was only blowing cold. They replaced the heater control valve at a cost of £90 but now it is only blowing hot air. They told me that this means i need ...

Learn why your water heater isn't heating, plus how to fix other problems Fact checked by Emily Estep When a water heater isn't heating or has other problems, you may be able to fix it by yourself.