We have a lot of Pentair SunTouch Solar Pool Heating Controllers in the field, and one of the most common questions is how to put the SunTouch into Service Mode. Service mode shuts off the filter pump and solar pool heater so that service can be performed. Turning the pump off is the first step in cleaning a filter, adding chlorine tablets, or performing other service on your pool equipment. If you need to service your pool system, and you have a SunTouch, this video is for you.