How to powerflush a central heating system (2/2)

Check out part 1 here:    • How to powerflush a central heating system...   Purchase your JetFlush Rapid here: https://sentinel-direct.myshopify.com... Cleaning a central heating system is integral to its health and powerflushing is a popular cleaning method due to the rapid but comprehensive clean it delivers. More information is available here: https://www.sentinelprotects.com/uk/s... --- Facebook: www.facebook.com/sentinelcpm Twitter: www.twitter.com/sentinelhq