You didn't mention, FIRST YOU MUST TURN THE HEATING ELEMENTS OFF & DEPRESSURIZE! Open the steam wand valves, let vacuum valve weight, gauge to zero. Let water cool and or drain tanks. Be sure to fill tanks before turning on heating elements to avoid damaging them heating dry. Take care
You didn't mention, FIRST YOU MUST TURN THE HEATING ELEMENTS OFF & DEPRESSURIZE! Open the steam wand valves, let vacuum valve weight, gauge to zero. Let water cool and or drain tanks. Be sure to fill tanks before turning on heating elements to avoid damaging them heating dry.
Take care