📹 Profitec Pro 300: Drain the Boilers Updated February 23, 2022 14:55 Learn how to drain the steam and brew boilers in the Profitec Pro 300 espresso machine. Profitec Pro 300: How to Drain the Boilers Introduction (00:00) Drain Steam Boiler - Cold Machine (00:52) Drain Brew Boiler (01:28) Drain Steam Boiler - Hot Machine (04:14) Food Safe Antifreeze (05:18)