November 16, 2023 by Shawn Reid Owning a swimming pool is a wonderful luxury, especially during the scorching summer months. However, when your pool heater displays the dreaded “SW Open” error code, it can quickly turn your pool time into a chilly disappointment. In this blog post, we will explore the causes of the Raypak pool heater SW Open code and provide you with effective fixes to get your pool water warm and inviting once again.Understanding the Raypak Pool Heater SW Open CodeBefore diving into the solutions, it’s crucial to understand what the SW Open code actually means. SW Open stands for “Switch Open.” This code is displayed when the heater’s control board detects an open circuit in one of the safety switches. These switches are designed to prevent the heater from operating if certain conditions are not met, ensuring the safety of your pool and equipment.Common Causes of the SW Open CodeFaulty Pressure Switch: The pressure switch is a critical safety component in your Raypak...
