Blocked plate heat exchanger sludge. Potterton Peforma no hot water. Heatinggeek

In this video, I unblock a plate heat exchanger after being sent to replace a diverter valve.
I often see this misdiagnosed on these boilers. This was a quick simple boiler repair that insurance doesn't usually​ cover. See my tools bellow
Injector Cleaning Pin: rover.ebay.com/...
Patreon: / heatinggeeks
1) CARHARTT Tool Roll amzn.to/2yGiexO
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2)BAHCO Screwdriver without LED amzn.to/2yEhLML
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same size as the alligator above just the “cobra” version
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21)BAHCO small spanner amzn.to/2RRkKKH
22)Cheap Lock knife amzn.to/2IWatZf
23)Sharpie amzn.to/2IVrxPk
24)Injector cleaning pins link coming soon. Review to follow.
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These are the heat duty ones I use.
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