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    Honeywell CM67 or CM907

    Is the Honeywell CM907 thermostat the new version of the CM67? Is it better of should I go with the tried and tested CM67? Many thanks
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    Potterton Profile cycles repeatedly b4 temp reached

    My Potterton Profile 50eL cycles on and off repeatedly at 2-3 minute intervals before the correct water temperature is reached. Eventually the water will become hot but it takes a very long time. I read somewhere on the internet that it is most likely due to a faulty flue fan. As far as I can...
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    Which programmable central heating thermostat?

    I want to replace my old mechanical thermostat with a programmable digital one. There are many makes available incl. ACL Drayton, Danfoss Randall, Honeywell, Siemens, Towerstat and Heatmiser. Does anyone have any recommendations with, in particular, to the ease of programming and number of...
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    How to manually override PIR in Wickes security floodlight?

    I just moved into a new house and it has a Wickes 500W security floodlight with PIR similar to one shown in the link: http://www.wickes.co.uk/invt/702837 Mine looks the same as the one in the picture although it's 500W. How can I occasionally manually override the automatic PIR control so it...
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    Pump Valve Ball and changing CH pump

    I need to change my Grundfos CH pump. I notice that there is a 22mm Pump Valve Ball on each side of the pump. Its similar to the one shown on the Srewfix website part no. 13885. If you look there is a small screw on each valve. Is there a way I can change the pump without draining the system by...
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