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The Resideo Q309A1970 Thermocouple is a high-performance pilot flame detector designed for standing pilot systems in residential and commercial gas-fired equipment
You should verify the model number on your valve’s nameplate matches the 306 series specifications before installation
it ensures exact fitment and electrical compatibility within the control board circuit
A leak in this area often points to a compromised collector box or a failing gasket
Auburn WFR-4-3-1/4 Ignitor 321702-401 The Resideo Q309A1970 Thermocouple isThe Auburn WFR 4 3 1 4 Ignitor is a high performance flame sensor and electrode designed for rigorous industrial heating applications. Engineered for precision and reliability, this 3" Rod 1 4" Mtg. Ignitor is a critical component for maintaining consistent ignition and flame monitoring in furnaces, boilers, and specialized industrial burners. Built with a durable 3 inch rod and a secure 1 4 inch mounting assembly, it ensures a stable spark and
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