A Raypak water heater relies on a flame sensor to ensure safe and efficient operation. This small yet crucial component detects whether the burner’s flame is present, preventing gas from flowing when ignition fails. Over time, dirt, soot, or wear can cause the flame sensor to malfunction, leading to ignition issues or error codes.
Troubleshooting a Raypak flame sensor doesn’t always require professional help. With careful observation, basic tools, and a step-by-step approach, you can often perform a flame sensor replacement to restore proper flame detection without waiting for a full system failure. This guide will walk you through the process safely and effectively.
Table of Contents:How Raypak Flame Sensors Work in Pool and Spa HeatersCommon Raypak Flame Sensor Issues That Cause Heater ShutdownsMain Reasons Raypak Flame Sensors Fail Over TimeHow to Diagnose and Fix Raypak Flame Sensor Problems Step by Step
How Raypak Flame Sensors Work in Pool and Spa Heaters
The flame sensor is a critical...
- Read morePosted: January 05, 2026
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