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    Fitting Airbrick on Pebble dash

    I need to fit a couple of Airbricks (seperate upstairs Bedrooms) to prevent condensation during the winter months. I have fitted Aircricks before on a normal Brick House but my current house has Pebble dash effect. I am worried that the Pebbledash may be damaged and crack Etc if not done...
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    Heatmiser stat not working

    Hi Guys - I have an old valliant vcw sine 18 t3 boiler. I bought a Heatmiser PRT thermostat today, hoping to replace an old mechanical Sunvic TLX2259 stat. Which had 4 wires connected - Red, Blue, Yellow & an earth. I wired the Heatmiser using Red=Live Blue=Neutral and Yellow=A1/A2 but the...
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    Valliant Combi VCW Sine 18 T3 boiler - overheating

    Anyone know why my boiler is overheating? when i click the thermostat after about 5 minutes it seems to stay on a high flame and continues on a high flame all the way to 100+ degrees then drops to a low flame. On a low flame the temp drops to around 50 degrees and the whole cycle repeats itself...
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    Which Thermostat should i choose?

    I have an old Valliant Combi VCW Sine 18 T3 boiler and would like to change the old mechanical room thermostat. The manual states the stat model is a vrt378. I would love to upgrade to a modern digital stat if possible. I have checked the wiring of the old stat and there are 3 wires - yellow...
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    Valliant Combi VCW Sine 18 T3 overheating

    I'm sure one of you experts can help me sort this boiler problem. Simply because i have a second replacement boiler that i can take parts off to use to fix the faulty one. Basically the boiler as the following problem. The hot water always works fine but the central heating is overheating. I...
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