Recent content by boris27

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    How to avoid a dead leg

    Hi - I have a vented, indirect hot water supply to my bathroom taps ie hot water cylinder on the ground floor, cold supply to the cylinder from tank in loft, and taps on 1st floor. The flow is ok, but could be so much better with a pump fitted - from a feed off the side of the cylinder...
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    Faulty zone value actuator?

    namsag Thanks for the advice. I couldn't resist having a look. I undid the motor and low and behold half the teeth were missing on the small cog on the rotor. I suspect I'm going to fork out for a whole new part rather than just the knackered cog. At least I've saved on the plumber, so I'm...
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    Faulty zone value actuator?

    D Thanks for the advice. I've checked the brown wire and it stays live when the system is switched on, and after the valve snaps shut. Also, I've checked that the brown wire is not live when I leave the CH system switched on, but turn down the thermostat to a very low temperature. Just...
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    Faulty zone value actuator?

    Hi I have a zone value actuator that will not stay in the open position. With the heating "on" the actuator tries to open the valve, but when open it immediately snaps back to the closed position. I've taken the actuator off the valve and it continues to do this. I looked at the bottom of...
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