Fenwal 05-100000-422 Ignitor Sensor This ensures the initial surge

This ensures the initial surge of steam is blocked by a condensate barrier before it reaches the gauge

a critical safety and performance requirement for many Rheem and Ruud air conditioning systems

monitoring internal heat exchanger temperatures to prevent hazardous overheating

Its robust disc-type construction is built to withstand rigorous industrial heating cycles

Fenwal 05-100000-422 Ignitor Sensor This ensures the initial surgeThe Fenwal 05 100000 422 Ignitor Sensor is a precision engineered flame sensor designed for high performance gas ignition systems. As a direct replacement for 22 100000 551, this component is critical for flame rectification, ensuring the ignition control board accurately detects the presence of a flame to maintain safe combustion. Built with high quality glazed Alumina ceramics and robust rod metals, this sensor is designed to withstand extreme