I need to replace the diverter valve - I unscrewed it from the hydraulic block but for the life of me I can't get it out. I even spoke to Viessmann tech and they advised twisting and yanking hard but this tosser is not budging AT ALL. The valve was replaced 2 months ago by someone else. Is there perhaps a vacuum of some sort, it does have two seal rings. God I hate integrated diverters.
Discuss Cant get boiler Viessmann diverter valve out! in the UK Plumbing Forum | Plumbing Advice area at PlumbersForums.net
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Are you gas safe registered?
Yes.
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If you can pm me this we can get this moved to the gas safe section
Reply to Cant get boiler Viessmann diverter valve out! in the UK Plumbing Forum | Plumbing Advice area at PlumbersForums.net
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