and function to the 740-2-50 50 PSI model

51" WC at the pressure port

replacing legacy part numbers 3005843 and 3005757 without the need for mounting modifications or terminal re-wiring

What causes a humming or chattering noise during operation

Resideo Q3305A1020 Spark Rod Assembly THPU32HP7Y and function to the 740-2-50When you're dealing with a failing ignition sequence on and S8600 series pilot module, the Resideo Q3305A1020 Spark Rod Assembly is the direct field replacement for Q3451 pilot burners. This single rod ignition component is engineered to handle the rigorous duty cycles of residential and commercial intermittent pilot ignition (IPI) systems, delivering a steady 1000 Pilot Btuh rating to ensure reliable burner lite off. The assembly features a high temp