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Recent content by chp

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    22mm to 3/4 inch pipe question

    I have some old 3/4" pipe in the house and need to cut into it for at tee. How can I connect the new 22mm tee? The size is slightly different. It is to carry main pressure cold water. Will a push fit connector work? Or one of the facny cupro push fits? Or is there another way. Thanks...
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    Invensys Lifestyle 522 Programmer - link needed

    Thanks for that info. Everything on the system works fine, with the exception that when the HW is on without the central heating the pump does not operate and the boiler does not fire. The valve opens as it should. I have checked the wiring through and they are all where they should be...
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    Invensys Lifestyle 522 Programmer - link needed

    I have central heating installed with a Lifestyle 522 programmer. I have noticed that the system will not pump the domestic hot water without the central heating being on. The motorised valve opens for the water, but the boiler does not hire and the pump does not start. It has always been...
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    Zone valve sticking

    It is marked as a ZA5. The system was installed new 4 years ago. Is that an 'old' type? Thanks
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    Zone valve sticking

    I have a heating system zoned by Drayton zone valve actuators. One of them sticks open sometimes - not every time. If I tap it with my finger it works - just like magic. Everything else works okay. Could the cause be the valve or the electrics behind it please. Thanks
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