Seamless compatibility: Exclusively designed for GSWH 2 tankless water heaters, ensuring smooth integration with your existing system and sensor performance. Long lasting brass construction: brass resists rust and wear, delivering dependable service in hard water conditions. Easy replacement: Tool installation lets you old sensors quickly, reducing downtime. Exact replacement number: Part number 2022107584 confirms you are getting the precise replacement needed for efficient operation of your tankless heater. Use scenarios Home with hard water: sensor corrosion caused inaccurate flow readings or fluctuating hot water. This replacement restores reliable flow sensing and steady output. Routine maintenance for multiple units: tool swap minimizes service time and downtime in a small building or rental property. installation or retrofit: using the exact replacement ensures compatibility across GSWH 2 units during servicing or upgrades.