andrew smith asked ... 2009 fiesta 1388 cc titainum?    |    Eric asked ... Strimmer fuel line?    |    Frank asked ... Working fine. No cold air?    |    c.m.brown asked ... Replace chuck on aeg power drill sb2e 700r?    |    tom dimmock asked ... How can i mend the lid on russell hobbs elec?    |    Click here to ask your question

vaillant 824 eco tec?

My boiler runs hot water for about 3mins then gose cold leave it for about 3,4 mins then runs hot the heating is work good
allan, January 2012
Hot water heat exchanger blocked

ltd, January 2012
link Click here to see other fixes for Vaillant 824 eco tec.