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Is there any intrinsic difference between a primary and Secondary Circulating Pump? Can you use a secondary pump such as "Wilo SB30 Secondary Circulating Pump" as your primary pump?

Yes the bbu is condensation and as such does not need to be an exception, it could just be fitted. They have replaced the hideous gas front with a slightly less hideous electric one. It does have the advantage of not needing air intake from the room. I am also fairly sure there is no...

Yep, you are right. I am kicking the pointer for that! In their defence they did point out that control operates the boiler remotely and is attached to the firefront spacer frame. When commission the boiler the control is connect directly to the boiler. It does seem dumb that the control...

Another option has been pointed out to me. The boiler can be replaced with a similar one that does not require a gas fire front - A conventional back boiler that comes with an electric firefront may do the job as the electric fire is an optional add on. BTW this is not what certain companies...

I have a glow-worm 56 Back Boiler with a glow-worm co-ordinate LFC fire. The fire takes its gas feed form a three way valve (Boiler, Boiler&Fire,Off) It's electrical comes from a removable plug into the boiler. Can the fire be removed, the the way valve capped at the boiler&fire outlet...

Hi All, A big thanks to everyone who helped. Problem was on the automated valves. You can see on the pictures; one of them was corroded, this was caused by a minuscule leak. the other had plastic failure, the posts which held the return springs have bot broken off so the valve was...

Any particular reason or just good practice?

No backplate was not replaced, old one was examined carefully and seemed to make right connections. Contacts were tested to be wired correctly.

I will check the zone valves and report back.

If this is the case, could it be causing the programmer to fail? And then why did it work as normal for a few months after the programmer was replaced?

I was simplifying it by saying trickle vents. There is a sash and case window, which is pretty leaky already. On the inside and outside of the case is a shielded opening (to prevent rain). This is 'permanently open.' The flue is only 'on show' if you squint down inside original...

I have an old floor standing gas boiler CH system with hot water storage tank. This has worked just fine for few years. The only things needing replaced were the HW/CH valves that control the water flow. Problem The control unit Horstmann Centaurplus C27 Heating Programmer broke...

All sorted. Trickle vents in windows

Well the U stands for universal and I believe the 2 indicate the lintel can go two ways up. There are not many good picture of these on the web however they have two re-bars. In the middle of the shorter dimension and equal distance about 1/4 in form each end in the longer dimension...

I know that U2 lintels can be used as (100x145mm) or (145x100mm). Either side up, however is there still a top and bottom for each way? Or can they be placed in any of four orientations?

The cornicing has been taken down in sections. The old lath has been stripped from it and the old plaster, which it was embedded in has been sanded. Not it is being painted with an anti-fungicide. The removal operation was quite successful, unfortunately this was the worst damaged section...

Thanks, The coving is pretty good and in reasonable condition for 100 years old. There are a few bumps on it and I just cant imagine how you go about damaging coving in a room that has a 10 foot high ceiling. The new lintel will be completely internal and not be visible at all.