ensuring your heating equipment maintains consistent performance throughout the season

Each brass component is precision-machined for high-heat durability and consistent gas velocity

Maintaining a proper seal is vital for preventing the leakage of combustion gases into the cabinet and ensuring the pressure switch detects correct static pressure for safe ignition cycles

If the switch trips repeatedly despite clear airflow

The 1/4 inch male quick-connect terminals are clearly marked for "C" (Common)

Johnson Controls AFS-262 Air Flow Switch ensuring your heating equipment maintainsThe Johnson Controls AFS 262 Air Flow Switch is a heavy duty, general purpose differential pressure sensing switch designed for critical HVAC and Energy Management applications. This field adjustable unit allows contractors to establish precise air pressure proving within a range of 0. 05 to 2. 0 inches WC, making it a versatile solution for monitoring positive, negative, or differential pressure across coils, filters, and fans. Housed in a durable