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Hello everyone, My CH system consists of a Worcseter 240RSF combi boiler, Myson Premier Roundtop rads and Honeywell TRVs, all connected with standard 15mm/22mm copper pipe, installed in about 1994. After doing some work on the system (new expansion vessel and an extra rad), I want to add...

Evening everyone, Can someone explain what an R1R2 test is? (Hope that's the right term :? ) I've heard electricians talking about them now and again, but never understood what they do or how they'd do one. Cheers, Nick.

Hello everyone, My CH system consists of a Baxi Bermuda back boiler, an indirect hot water cylinder with gravity circulation, and 7 rads fed from a conventional 2-pipe system. Although the boiler is newish, the rads have got to be 30+ years old and are showing their age :shock: All their...

My boss has just had an "amalgam separator" installed at work - a motorised device for sifting out potentially toxic metals from our waste water before it goes into the drains. The installation was carried out by a well-known dental equipment supplier, and the total cost was well over £1000...

Evening everyone, A friend from work has been told by a "reputable" installer that her back boiler is beyond repair, and that due to changes in the Building Regs, it is now prohibited to replace it with a similar model and so she'll need "a whole new system" :shock: I've heard something...

Hello everyone, I'm enquiring on belhalf of a friend who lives in a ground floor flat in a 1960s purpose-built 3-storey block. The flat is currently heated with (newish) electric night storage heaters and gets rather chilly at this time of year :( A gas fire seems like a good solution for...

Hi everyone, My brother's just bought his first flat, an ex-local authority place built in the 50s but rewired in the 80s (I'd reckon). The current electrical system is based around a surface-mounted metal consumer unit, a Wylex WY606...

Hello everyone, My parents' house was re-wired about 10 years ago, and has a MK Sentry CU with a 30mA RCD as the main incomer. Until last month, the RCD has only tripped once - when I drilled through a lighting cable causing a N-E short :oops: . But it's now happened about 4 times in the...

Hello everyone, I've just moved into a 1930s end-terrace house which has mainly copper plumbing, but an original, lead rising main. The main stopvalve is in the corner of the kitchen, almost at ground level, behind a kitchen unit and has lead pipes entering and leaving it. The kitchen has...

Hello! My 5 year old house has a hot water system based around a Gledhill SystemMate SP, which I presume is a thermal-store cylinder. The diverter valve (and all the lockshield valves on the rads) have gradually started to leak. I could easily replace them myself, but need info about...