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Hi ChrisR, When I cleaned the pilot injector during the service, I never noticed a side air hole in the injector (Did I miss it?). I think all the pilot flames on the older conventional boilers look a little soft. Unfortunately the customer is away for a few weeks so I will be unable to...

Hi Tony, I have sent you a e-mail. Hi doitall, I have the Mk II 41-607-19 version. I have checked the pilot flame it envelopes the thermocouple tip as required. I have also changed the thermocouple (although the old one appeared ok) nas mentioned the connection point of thermocouple...

Hi Tony, thanks for your reply. The drop off time for the new thermocouple is again approx 25-30 Seconds. I did check the thermocouple connection point to gas valve, but could not see anything that may be causing a problem. Also how do I conduct the "fast response pressure measurement...

Hi, Having problem with potterton Kingfisher 2 RS 60 (G/c 41 607 19),. The pilot goes out intermittently. Have serviced boiler (badly needed service), checked gas rate. Heat exchanger cleaned. Seals checked. thermocouple changed as a matter of course (old thermocouple was ok drop out time...

Comms, Thank you for your reply, I will try the Warden if not ring the Regional Electrical Company as you suggest. Are the REC quite forthcoming with such information? Kind Regards Harry

Hi, Where can I find out information about electrical supplies to blocks of flats. I am a qualified electrician (Part P Full scope) who has very limited experience of flats. I went to a flat and when I looked inside the meter cupboard I found it difficult to ascertain if the supply was a...

Thanks Chris, I was hoping to get some sort of answer from yourself or Tony G. I do believe it is the main PCB as all the ancillary components seem to be functioning correctly. I think the original RSF 84et boilers only had one PCB whereas the newer 84et have Two pcb's (control and...

Hi, Called to a Ravenheat which was having DHW problems. Checked the diverter valve and microswitch both ok (the microswitch is being made when water is drawn -tested with meter at pcb end). When DHW drawn: diverter valve microswitch makes, pump runs, fan runs, ignition takes place and...

Hi Tony, Serviced the Rotex A1 BG25i boiler. It was a pleasure to work on, very well designed. There is a Flue Gas Analyser point on the flue elbow under the boiler. however my Telegan analyser probe would not go in deep enough to obtain a reading. In the end I had to place the flue...

Hi Tony, Thanks for your reply. Have you worked on one of these boilers? Does it have flue gas analysis points on the flue outlet in the vicinity of the boiler (the manual does not give much away). Once again thank you for your help. Harry

Hi all, I have to service a Rotex A1 boiler shortly. I have downloaded the manual from Rotex but this is not very informative. If any one has serviced one of these German boiler I would be grateful if they could give me any tips. How and where do you carry out a flue gas analysis on this...

Hi Tony, Thanks for your reply. Much appreciate what you are saying. However just felt that the manufacturers should supply a very cheep pot rather than having to replace a complete pcb assy. I mean if the manufacturers asked you to replace a pcb if they could not supply the on board fuse...

Hi, Unfortunately, I cannot find a pot at RS/Farnell or maplins with a similar central slot to accept the Central Heat Temp control knob spindle. I'm sure someone must have come across a similar situation. Any help would be appreciated. thanks for your input Harry

Hi, Have a Worcester 24i RSF combi boiler. The central heat temp control knob spindle was broken so changed the knob. It appears that the pot behind the knob (RV1 47K942K) may have been damaged. Apparently Worcester do not supply this part, advised to change pcb at a cost of over £100. My...

Update, For anyone interested the control knob is available (part No. 87161410440). Worcester do not supply pot. If pot faulty they say need complete new pcb (part no. 87161463000). If pot faulty I will try electrical suppliers (Only problem will be the central hole needs to accept the...

Hi, Can anyone help with the following. The central heating control knob spindle has broken. Is this a common problem on this boiler and is it available (no part number in manual). The pot that sits behind the central heating control knob, on the pcb(circuit ref RV1 value 47K942K), may...

Thanks for your help Chris much appreciated. I will try BES and the main suppliers. Harry

Hi, I have a customer with a Ideal W 460RS boiler. The boiler is working very well despite its age. However the casing sealing strips have seen better days. There is no signs/effects of spillage. I would like to change the seals but feel that Ideal may no longer supply them (awaiting answer...

Hi Ollski, Thank you for your reply, However can you please clear up a few points. When you say check that there is continuity from the White wire from the pcb to the gas valve and earth. Do you mean check between White wire to gas valve and body of the gas valve? When you say you...

Hi, I was called to a Prima 50F. The boiler sometimes fails to light (automatic ignition), however it energises the main gas solenoid thus expelling unburnt gas through the flue. I have looked at the installation manual on the Parts Arena site but this is very vauge. The pump comes on the...