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Problem fixed - seco services got it right, it was the pump. But it took the corgi registered plumber 4 and a half hours to arrive at the conclusion and change the pump. At one point he was convinced that it was the PCB and he removed it and was on his way to get a new one. I was a bit skeptical...

No. The mains comes into the 3amp spur. The programmer is powered from the spur (though the junction box with all the other cables from thermostat, MVs etc. as decribed in my first post) not via a plug but a flex directly into the front of the spur. From the spur a heavy duty cable leads to a...

The boiler, pump and programmer are about 2 years old. Of the motorised valves one is 2 years old and the other much older. Can a motorised valve be the cause? Also the immersion heater being run from the same spur does not help - would a short in the immersion cause a problem. The immersion was...

I have a problem with my Drayton LP241 programmer as it has no power ie all lights off. It is a gravity CH system, Worcester Bosch conventional boiler, the system has two motorised valves one for CH the other HW. All these controls are in the airing cupboard with the hot water tank. This...

Well here is a pic of it mounted with the transformer next to it. The transformer terminal covers are made from bakelite or something like it i think that's why I supposed it was of 1930s or 40s vintage - not, I must admit, as good looking as some of the ones with wooden surrounds posted...

Yes, it is on AC now.

Correct Sandy Beech - similar. If mine wasn't already screwed to the wall, I might have taken a photo of the back of it. There is a transformer with it which has been placed by the side of the unit. During the re-modelling of the kitchen the electrician had to move the unit. In doing so he...

Can anyone help with a wiring diagram or explanation for the wiring of a butler bell or unit?

Incidentally I'm currently having the kitchen re-done and let's not get started on that one - still on-going! davecon1 I can only sympathise in advance. I did though take the opportunity of having the mains feed upgraded to 22mm during the kitchen works - so I'll have 22mm from entry into the...

davecon1 you were braver than I and took the step of installing the system, albeit with flow problems when using more than one shower. I really wanted a dry loft and now that my council has granted permission for the loft conversion I must act quickly, but still in a fix about the megaflow. My...

I'll have to check with Thames Water about the pressure at the mains supply - they have already told me that by law they are obliged to supply a flow rate at a min of 9 ltrs/p min, so at 12 lts/p min I'm above that! As I'm completely new to the idea of megaflo systems, I latched on to Heatrea...

Because I'm planning to have a loft conversion, I thought it would be a good time to consider having a dry loft and installing a Megaflo system - the Heatrae Sadia Megaflo to be installed in place of the the hot water cylinder in the airing cupboard on the 1st floor. I currently have 1...

Well yes, it is a little difficult to see exactly what type it is from ground level especially for someone who doesn't know what to look for - but it does look like a terracotta fitment. Don't know anything about liners, although the gas fire is always disconnected and the fireplace properly...

I have had a gas fire in the living room since purchasing the property quite a few years ago and I've had it certified every year. The chimney where the fire is sited has a half round cylinder (similar in appearance to a rounded roof tile) placed across the top. Although it was never a problem...

I think I'll have the 3-way valve checked. Sometimes it clicks rapidly about 3 or 4 times, so it seems a good place to start. Thanks.

Yes he did put in the inhibitor - does it lose potency over time and needs replenishing? If so, what do I use and do I simply put it into the expansion tank - will this help with the kettling?

I have a similar problem as andyaveyard, albeit with a newer Bosch boiler (2 years) installed, as I too have a 3-way motorised valve. I mention the valve because the kettling sound seems to occur when the HW heating starts up. Today I turned on the Heating (before the HW came on at the...

sorry oilman, yes I did mean the floor above the ground, not second. It is a four bed house. The installer will alter the layout of the pipework - for the better I hope although the present system with the floor mounted configuration is working OK. But even I can see that the current layout...

I have to decide whether to have a floor standing boiler v a wall mounted one (I am leaning towards the wall mounted for access and design reasons). With the floor standing the pump will be sited on the ground floor with the boiler as opposed to having it sited on the second floor and the...

Thanks for all the comments. I agree with the general opinion - from all I've seen here combis are a swine and I wouldn't consider one unless I had no choice. namsag I think is right, the Ideal Classic is a different beast from it's combis cousins, I too have heard of problems with Ideal...