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The temperature guage on my Ferroli 77FF has stopped working - the needle seems is sitting against the stop at the low end of the temperature scale. Boiler appears to be functioning OK with both hot water and central heating. Any ideas where I can find a replacement gauge/bulb or...

I have an Ikea mixer tap (photo below) that leaks at its base when the cold water is turned on. The leak is between the sink and the base of the tap. (Can just see it on the photo). I am presuming new O-ring(s) will sort the problem out. Before I start, what is the sequence to gain access to...

Thanks for that - I get bo diddley at room temperature.

I said the thermcouple checked out OK. What I should have said is that I tested against an open flame and got a no-load voltage of 14mV. When I put the thermocouple back in circuit in the boiler I get no volts from the thermocouple when the pilot is ignited. Also, the thermocouple's internal...

Is it possible to test the function of the gas valve in anyway?

I have a 77FF Popular combi. The pilot light went out and can't be relit. Following the instructions, the fan runs and after 20s, the electrodes will fire when the ignition button is engaged, the pilot will then ignite. However, after sufficient time has elapsed (at least 15s) and the ignition...

I agree - it took more time than it should have and was patience-testing. Next time it would be a quicker repair and I would probably just buy the new fittings rather than muck around with corroded screws (particularly if it was mid-winter.) On reflection, it does seem a little crazy that if...

Screws eventually yielded to 24 hours in 3-in-1 penetrating oil and two goes with a hacksaw. All sealing faces cleaned and washers and O-rings renewed using seal kits. Everything put back together and tightened up. Job done. One week of use and no obvious sign of leakage. :shock: Thanks...

Yes - I succumbed to the hammer on spanner to shift the union. I have now had to remove the inlet manifold from the unit so I can work on the two screws, first with the hacksaw method, then drill, and if that doesn't work a new manifold. After that I'll put it all back together I will...

Dear all, Thanks for your advice and tips. Paul - sorry I have not been clear. The screws are associated with the fitting between the inlet manifold and the diverter valve assembly. The nut I cannot shift is the one facing the out front of the diverter valve. The whole job would certainly...

Tony, Thanks, I can fully understand the pressures that professionals are under day to day. Do you have any tips on how to budge the union and remove the corroded screws, as a pro would have to do this anyway, whether they were replacing the whole unit or just the seal. Cheers

OK, I got the seal kit and got around to attemping the repair tonight. :cry: Two big problems I face: I can't, for the life of me, budge one of the unions on the diverter housing. Any tips on possible methods of shifting it? I cannot remove the diverter and fix the O-ring without...

Thanks. I guess I should have a seal kit (if there is such) for the heat exchanger too - just in case I need to remove the HEX as well?

Thanks Nickso, Alpha Technical recommend 3.013389 kit which I understand to be a diapghram kit. Does anyone know if I can make the repair of teh O-ring seal without removing the heat exchanger from the diverter assembly? Cheers

Hi I wonder if the seal kit 3.013391 will provide all the replacement seals I may need for the job? I can't find a list of what is actually in the kit. Thanks

Boiler: Alpha CB28 Age: 4 years (I think) there is a seal on the Alpha CB28 just below the DHW flow valve assembly. (In my servicing instructions it is Fig. 23 nadd 27.) This seal appears to be passing water so I am contemplating removing the flow valve assembly and replacing the seal. The...