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    Vaillant ecotec 637 and Megaflo controls

    "The cylinder has a 25yr transferable on site service support guarantee against faulty manufacture or materials provided it has been correctly installed as per the the instructions in the instruction manual and all relevant codes of practice and regulations in force at time of installation."...
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    Vaillant ecotec 637 and Megaflo controls

    So would adding the VR10 to the dry pocket which still has the two capiliaries for the stats and which are still wired to trip the valve invalidate G3 approval?
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    Will the VR10 fit into the megaflo dry pocket with the existing two capiliariesin palce as well...

    Will the VR10 fit into the megaflo dry pocket with the existing two capiliariesin palce as well? Mike
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    Hi, I'm thinking of fitting a VR10 into a megaflo but Megaflo tell me I must leave the overheat...

    Hi, I'm thinking of fitting a VR10 into a megaflo but Megaflo tell me I must leave the overheat and adjustable stats in place and wired in to trip the HW 2 port. is there enough room in the dry pocket to add the VR10 to the correct depth? Mike
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    Vaillant ecotec 637 and Megaflo controls

    I just spoke to builder who is also the plumber. He has just had ACL surgery to knee ligament. so out of commission for a while. I'm going to speak with BCO later to check out their take on this and also see whether this install has it's own certificate issued by them as it was part of a...
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    Vaillant ecotec 637 and Megaflo controls

    My interpretation of the Megaflo installation manual based on building regs G3, Hot stored water and where my installation doesn't comply. 1. There should be a vertical pipe drop of 300mm min below tundish before a change in direction eg. an elbow. 2. The pipe material should be copper sized...
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    Vaillant ecotec 637 and Megaflo controls

    Ok been and taken more pics. Had a look at megaflo installation guide p13 etc. Where does the D2 nor conform? If there are hard facts I will get builder back to repipe as required to G3 and guidance section 3.9. view below boilerpipe from boiler
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    Vaillant ecotec 637 and Megaflo controls

    The pump is located and wired within the boiler. I realised there would be no overrun, same as a power failure I suppose. The overheat trip is at about 90-95C on the megaflo, I believe, which would mean something pretty serious is occurring so what action to take, shut the valve or stop the...
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    Vaillant ecotec 637 and Megaflo controls

    UpgradeME, thanks for the link I'll have a good read of it later. I was a bit worried about fitting the VR 10 into the megaflo so had good look at it today and can see it should be pretty straightforward, took a few pics too. So the relays, or temperature switches in my world of...
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