773-168

Ensure the safe and efficient operation of your heating system with this high-quality Air Pressure Switch designed for Olsen furnaces. As a critical air proving component, this switch monitors the pressure generated by the draft inducer motor to verify proper airflow through the heat exchanger. If the switch detects a venting issue or insufficient air movement, it prevents the furnace from igniting, protecting your home from potential hazards. Common signs that this part needs replacement include the furnace failing to ignite, frequent cycling, or diagnostic error codes related to airflow issues. Constructed with durable materials for long-lasting reliability, this essential HVAC safety switch is a vital replacement part for residential gas heating units.
Type: Air Pressure Switch
Size: Small
Application: Used in high-efficiency gas furnaces and residential HVAC systems to monitor draft inducer airflow and ensure proper venting before ignition.
Specifications: Pneumatic-to-electric safety interface; measures differential pressure; designed for high-efficiency forced-air heating systems.