Rheem-Ruud SP20172 FV Flammable Vapor Sensor Kit
The Rheem-Ruud SP20172 FV Flammable Vapor Sensor Kit is a safety component designed to detect the presence of flammable vapors in gas-fired water heating systems. It works by continuously monitoring surrounding air conditions and signaling the control system to shut down operation if hazardous vapors are detected, preventing ignition risks.