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    Filling old Koi pond with 10" base reinforced concrete base?!

    Hi, I have an old koi pond which was installed by the previous owners. We had it for 3 years but have now decided to get rid. The hole has been drained (mostly) and de-fished, de-frogged and de-slimed. But the issues are only now beginning... The plan is to fill the hole with rubble, top off...
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    Replace CM61NG+HC60NG with Nest + weird boiler problem?

    Hi Firstly Im looking to replace the CM61NG Wireless programmable Thermostat + the receiver HC60NG with the Nest thermostat. Ive looked at the wires and seems a pretty simple swap but just looking for confirmation from somebody please. The wires are labelled N,L,L A,B,C,D,E on the old...
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    Valliant F75 - no water outside - losing pressure

    Hi, Ive googled as much as I can but am now looking for some advice from somebody thats knowledgable in this area. My Valliant boiler as been showing the F75 error since we moved in about 6 months ago. About once every 7-10 days I have to recharge/repressure the system. From what I...
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