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Dead right Tony, they messed with our county boundaries and we lost the "Middlesex" some years ago, much to local disgust and outrage. Most postal stuff however is still marked Middlesex, for which I'm happy. On the water hardness front, we might not be at the zenith of ultra hard water...

Thanks boys - that's brilliant info. Yep, we have seriously hard water here, so the Incoloy type will be a must. Thanks.

Hi all, To put this query in the 'Lectrics forum or not....oh well, you boys know your stuff so here goes... Is there a specific length of immersion element for a specific cylinder size? I ask simply because I wondered whether the 27" was the correct one to replace my existing immersion in...

Sorry to throw a spanner into this mindbender, but you mentioned that the CH only works more or less normally with HW selected, and when CH only is selected it's only on for 30 secs or so. I'm wondering whether there's a flow problem around the heating circuit, which is being compensated for...

My wiring centre has the room stat terminal on its left, positioned vertically, above the "heating valve" terminal, (which in my case is not used). The cable from the room stat comprises just the three - blue, brown and earth wires. The room stat terminal in the wiring centre has four...

Hi Bonkersbill, Not sure if this'll help you, but I had a similar problem a couple of years ago with my Y Plan, so's to speak. My Honeywell 3 port gave up the ghost after about 7 years of duty so I replaced it. In the process of doing so, I reconfigured all the wiring to the wiring centre in an...

Hi boys, Potterton Promax HE Store boiler in one of our managed properties shows a fault code E15. Can't find a decode for that one on the Potterton servicing and installation PDF. Anyone know what the code might refer to? The tenant gets hot water, and only had the control switch set on that...

Cheers to you both. Thanks a lot. Mike

Hi to all, I visited a property recently while carrying out my duties as a Property Manager. The place has an unvented HW cylinder installed with a stand alone expansion vessel. My concern is that the expansion vessel sits on top of a 15mm leg - about 15"or more in length - of copper pipework...

Very interesting to note, ta for that. I'm hopefully popping around to my neighbour's shortly. I'll get a photo of the master box and bung it on here. If the old "pair" were wired into an "A" and a "B" screw terminal, I would have been initially a little clearer in my plan. But, the pair are...

Thanks fellas. OwainDIYer, I think I'll proceed with a triple from the master as was first suggested. Digdilem, I understand, thanks. Sounds a good idea, but I'm not sure my neighbour may be able to cope with the technology, as daft as that sounds. The other two phones are 1. in the...

Thanks Tony, I think the master box must be quite old because, from what I've read on this Forum, the incoming cable is a black "pair". Inside the master box the pair separate to terminal 2 and terminal 5. One adapter plugged into the front plate, and this adapter had two female jack inserts. So...

Thanks a lot OwainDIYer. There's no modem or PC attached to any of this, so it's just the third telephone. Is there any signal degradation with three phones running from the main box? Mike

Hi to the experts on here, I've read through quite a lot of the Forum pages regarding extensions, but I'm daft and can't get my head around what is the best way to do this. I was asked by an elderly neighbour to put in another extension so that, effectively, she would then have 3 points to...

Thanks for that, a great help, ta!

Hi all, I've just decorated, and in doing so I temporarily isolated and removed two radiators. The boiler guage before removal was a bit low(?) at about 0.5 bar. On refit and bleeding the radiators (boiler off) I recharged the system via the TFL to 1.0 bar. Heating up all fine, and pressure...

Just as John, Manly and Sotal have indicated - do you really want to lift those rads. The fact that skirting might be located a little behind them instead of underneath them can't be too serious an issue, and must certainly be preferable to draining down the system etc. But, I guess you might...

Wow, that's a long run, and would call for over 4" of fall to drain effectively. Probably not unheard of before though. I wish I could help further, but my knowledge is fairly limited in this area. As for traps, just looked up a 90mm - "Typhoon Vortex", sounds like it works extremely well...

Switch off before anything else. Locate the heating circuit drain cock and drain down. The drain cock may be near a radiator, may be part of the radiator valve, and there may be multiple drain cocks. Once drained you can then get to each radiator leg and fabricate the extensions as required. Try...

What's the length of the waste run? On 50mm you'll need a fall of min 18mm/m. There's a theoretical max run of 3m using 40mm waste, and I'm assuming that it won't be any more than that using 50mm. I don't know for sure, but could the trap itself be supplied with an incorporated air admittance...