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History: We've a 10 year old (coincidentally EXACTLY 10yrs to the day since I fitted it!) Texecom Veritas R8 which has developed an intermittent fault (Zone 5). Even with the sensor cables removed and a shorting link on the terminals the keypad occasionally shows the zone as "open". Tried...

We've a utility room radiator with 10mm pipework; fitted about 6 years ago it has a BOSS TRV which has failed (sensor plunger just flops around as if the wax sensor has leaked) and the radiator is always "on". I don't consider 6 years a reasonable life so I'm reluctant to buy another BOSS head...

We've a Worcester Greenstar gas combi-boiler controlled by a Honeywell CM921 wireless 'stat/controller (retained from our previous installation). The Honeywell is about 8 years old and despite still working well, the display is now barely viewable (common issue I believe) having deteriorated...

Hi everyone, I hope someone can help solve this one. We've a 12 year old (at least) Worcester RSF280 Combi system (not condensing) which has, over the last couple of months, developed a "thud" seemingly in the house pipework when the CH pump starts up and it seems to be getting more noticeable...