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: http://rover.ebay.com/rover/1/710-53481-19255-0/1?icep_ff3=2&pub=5575378759&campid=5338273189&customid=&icep_item=333533584619&ipn=psmain&icep_vectorid=229508&kwid=902099&mtid=824&kw=lg&toolid=11111
Patreon: https://www.patreon.com/heatinggeeks
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These are the heat duty ones I use.

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