Fenwal 35-655605-001 Control 30067439-890 If you notice unusual squealing

If you notice unusual squealing noises during motor ramp-up or a drop in airflow velocity

providing essential protection by breaking the electrical circuit if flame rollout is detected near the burner assembly

If the pressure drop exceeds the manufacturer’s recommended limit for the specific refrigerant and evaporator temperature

This 29M75 auto limit switch serves as a high-limit security measure

This model is built for low-pressure applications with a 15 PSI maximum inlet pressure

Fenwal 35-655605-001 Control 30067439-890 If you notice unusual squealingThe Fenwal 35 655605 001 is a robust, microprocessor based 24VAC hot surface ignition control designed for precise burner management in gas fired HVAC systems. Engineered for high demand commercial and industrial applications, this direct ignition module features a 3 try ignition sequence to ensure reliable combustion even in challenging draft conditions. With a refined 5 second trial for ignition (TFI) and a 40 second heat up period for the igniter,