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    Pump to replace Alpha2 15-60 130, UPS or UPML?

    I am coming up to my boiler service shortly and I am finally fed up with living with my current Alpha2 15-60 which is too small for my Vaillant 438 boiler. My boiler has been derated to 18Kw. My plan is to ask my plumber to change my current pump with a new one. I understand the Alpha2 is a 130...
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    Part number for Vaillant PCB 6-pin edge connector for X41

    Does anyone know the part number for the PCB edge connector on a Vaillant boiler that slots into the PCB edge at position X41? Or where I can buy a spare?
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    Where could I buy an old Vaillant VR65 or VR66

    Just wondering if there was an equivalent of car breakers in boilerland? I'm after a Vaillant control centre either VR65 or VR66. But it's not being used for the purposes they were designed for and hence I don't want to pay full price for them. I'm using them for a project. I don't mind however...
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    Vaillant ecotec plus 438 droning vibration noises

    Coming up to the second winter with this intermittent droning vibration noise from our Vaillant ecotec plus 438 boiler. Besides this noise it works fine and heats everything up nicely. It doesn't happen all the time and anytime I call a plumber it never happens! Whenever I have seen this it...
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