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Grant Vortex Combi 21e Constant Demand

Discuss Grant Vortex Combi 21e Constant Demand at UK Plumbers Forums; I find it isnt the boiler but the quality of the install that makes a boiler last and be reliable, any boiler lumped in on a dirty system will fail, ...
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    Default Re: Grant Vortex Combi 21e Constant Demand

    I find it isnt the boiler but the quality of the install that makes a boiler last and be reliable, any boiler lumped in on a dirty system will fail, do it right and they work ok
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    Default Re: Grant Vortex Combi 21e Constant Demand

    But them grant low pressure switches are absolute tat
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    Default Re: Grant Vortex Combi 21e Constant Demand

    Quote Originally Posted by SimonG View Post
    But them grant low pressure switches are absolute tat
    You're right there Simon, it appears to be made of bakerlite, either that or the het has made it really brittle. don't know why they couldn't have used metal

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    Default Re: Grant Vortex Combi 21e Constant Demand

    Quote Originally Posted by Mash View Post
    You're right there Simon, it appears to be made of bakerlite, either that or the het has made it really brittle. don't know why they couldn't have used metal
    £££££
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    Default Re: Grant Vortex Combi 21e Constant Demand

    Quick update on my Grant (think I should do a blog on this ). So, got it working after fitting the pressure switch, then last week the boiler stopped firing. Could hear it kicking in, but then dropping out, every few seconds when there was demand. That was the photocell in the burner, only £14(but a Riello part, not Grant). Then, as predicted, the flow switch I'd cleaned started sticking again, so bought a new one yesterday, £34 ! (Grant part) it's only a paddle switch !
    So now, I need to fix the low temperature of the DHW, feel like I'm fighting a loosing battle
    Last edited by croppie; 4 Weeks Ago at 04:47 PM. Reason: No swearing.

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    Default Re: Grant Vortex Combi 21e Constant Demand

    Could not agree more Simon. Had two go on different boilers in December. Why not spend a few pounds more and make out of a more durable material such as brass? Money springs to mind!

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