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I have checked pump alignment very carefully, the pump is secured into the motor with three allen grub screws, and when they are all tight there is no perceptible load on the motor shaft, it spins as though the pump was not there. I did think it might be axial thrust on the pump shaft, but I...

Thanks for all your replies, It is actually the earlier model with three solenoids, a separate motor driven pump and a plumbing nightmare of small tubes feeding the burners. It is soft start on the boiler side. It's my own fault really, as I knew this was a nightmare model, but was nagged by the...

OK, I need a Rayburn expert because I have tried everything I can think of, and I am making no progress, sit back and I'll fill you in! Rayburn 480K Mk1 with the early Nuway burners and separate oil pump between. This has been a problem boiler but after several in depth rebuilds had started...

You ought to check that there is water in the system!! go into the loft and check that the ball valve on the F/E tank is not stuck and there is water covering the outlet

You ought to check that there is water in the system!! go into the loft and check that the ball valve on the F/E tank is not stuck and there is water covering the outlet

Spraggo is spot on, god only knows why the plumber you got out couldn't suss that in about 5 seconds flat, don't use him again! If you remove the large chrome slotted screw/vent plug from the rear of the pump (there will be a trickle of water, get a bowl or some rags) and put a straight...

hi, need to check/refill the pressure vessel on this boiler, anyone know where the valve is situated? I am hoping against hope that it is accesible without removing the boiler from the wall, anyone done one before? Phil.

Yes, I have been lax in servicing, but the reason for that is the last time the guy came to do it, he couldn't get the three screws out of the cap under the logs, simply because the ****-poor manufacturers have put unprotected steel screws into aluminium pillars. Considering the cost of this...

I have just seen the bit about the chimney!, it had a GC1 cowl, from the previous fire ,but it was removed on the advice of the guy who swept and tested the chimney first time. the instruction manual says " a natural draft flue system is required" I thought I was better of leaving it to "them...

Thanks for that, the Focalshite comment was all I needed to know really, I think it may be permanently disconnected and skipped within the near future. Phil

This fire was fitted 5 years ago to an open flue with a normal chimney pot, it is very rarely used. (top up heating on very cold days) I doubt it gets more than ten hours use annually. The flue was swept before it was fitted, and has been swept and smoke tested since (it was clean). The problem...