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has anyone had excessive noise from these simple little boilers. noise when on heating i think the heat exchanger is partily blocked,its only 3 years old,max. sentinal x200 was added 4 weeks ago but now even more noise. boiler stat is set very low,has correct gas burner pressure,no blockages...

worcester 24 cdi.any one had this combi make a loud screeching noise when hot water tap is turned on.heating is noise free. noise seems to start from the diverter valve,its a love job for a relation,i just want to get in and out fast. thanks.

does anyone know if a universal case seal is available for gas boilers. thanks.

has anyone come across the return manifold leaking water,its probaly due to poor water quality. is this an easy repair ?.probaly just o rings if 10mm nuts undo,very corroded. this one has leaked water so much the fan and wiring has got wet,i would like to save it for this young couple,but it...

Please can some one tell me ,why was the colours of uk electric cables changed. Please dont reply saying its easier for johnny foreigner to work in uk or it was john presscott. Any TRUE reply welcomed.

i am a heating engineer of many years,i fully understand that electric has to be used safley. 1.can a minor electrical installation works certificate be issued by me for work ie new gas central heating installation,when electrical work done by others.all run from existing fused spur. 2.can a...

please can i ask,if an electrical part of a gas boiler ie a pcb,fan,gas valve etc is exchanges,same for same part. do i need to issue a minor electrical installation works certificate. thanks in advance

ok.i know these are not the best boilers.this one really proves that. the problem i have found is noise. no noise when heating only running. no noise when hot water demmand only. boiler heats up very well. when heating is running and a hot water tap is turned on a screeching noise is heard...

please can i ask. as a gas fitter of many many years now i need part p,thats not a problem. the company i work for have arranged a course and assesment for december. it will be part p. level b & c. my question 1. is with the above levels can i exchange an old style rewireable fuse consumer...