November 29, 2023June 10, 2023 by Tim DavidFacebookXRedditIf you are dealing with a Sw Open message on your Raypak heater, I have a solution for you! Over my years of fixing Raypak heaters, the Sw is one of the more common issues I get calls on. A Raypak heater is typically equipped with a pressure switch that only allows the heater to fire up when there is sufficient water flow.Q: I am trying to turn on my Raypak pool heater for the season and getting a RollOut Sw Open error on the monitor. How can I fix this? – Ron WellsProblem: Your pool heater might show an error indicating a problem with the rollout switch. This switch is a critical safety feature designed to prevent the heater from overheating or catching fire. It’s a common issue that can cause your pool heater to malfunction.Solution: (From Tim at Airlucent) The issue was successfully fixed by identifying and replacing a faulty rollout switch in the Raypak natural gas pool heater. I first confirmed the error message on the heat...
