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Help with the above fault. The boiler works fine on DHW but when on heating, the boiler fires for a minute or so, then goes off. If you turn off and reset, same happens again. Suspect Thermistor. The boiler is 4 1/2 years old. The boiler goes through all the correct procedure, just doesn't...

Thanks for the reply Dave. Have stopped the pump leaking now and replaced the diaphragm (just as a matter of course). The boiler still operating the same, have also noticed on further investigation. Firstly, the 2 quick blow fuses on the PCB had blown today, replaced these and operated as...

Hi All, Bit of help with a Garda HE Plus. No hot water no heating. Checked diaphragm and that looks ok (no signs of wear). Pin comes out but not enough to operate microswitch. temporarily bent the switch contact to make switch operate and boiler worked fine for about an hour then stopped. The...

Thanks D_Hailsham, Ref last reply, would be using 4 or 5 core from the boiler. N E , Terminal 2 on boiler connection to WC Live (1) (L,N,E) terminal 1 on boiler connection (switched live back to boiler) from terminal 7 in the WC. Only quoted the wiring centre instructions re the pump...

Thanks Again. No seperate pump, just system pump. Live out from boiler actually terminal 2 going to terminal 1 in the wiring centre (live supply) Terminal 1 in the boiler is the switched live back to the boiler. Boiler wiring L N Wiring from fused spur E 2...

Hi Thanks for the 2 replies. I understand the permanent live feed from the fused spur goes to the boiler, the feed to the wiring centre comes from terminal 1 at the boiler to ( I assume) the live supply terminal in the wc. The time clock is external as the megaflo does not have an integral 2...

I am looking for a little help with a wiring centre and the wiring formation for a system boiler. I have no problem wiring a conventional system with external pump and 3 port valve, but the fact that the pump is internal is tending to concern me, due to the feed being from the boiler. What...

Sounds cheap to me. At that price for a full system he can come and do all mine and I'll sit back and charge the normal price of at around another grand. :twisted:

If memory serves me right on the 24i Junior. In the Salus digistat remove the link and use as volt free. L N E from boiler supply. COM to LS in boiler plug. NO to LR in boiler plug. Live feed out from thermostat loop in boiler plug goes to COM returning to other side of thermostat loop...

Called to one of these today. Not seen one for ages (should all have been ripped out by now). Fault is that the boiler is not working. With the boiler turned on, no ignition sequence. There is a live to the PCB but no sparking at the spark probe. If you disconnect the 5 wire multiblock from the...