Description
Ensure dependable airflow monitoring and safe ignition sequencing in your commercial or industrial gas-fired heater with the Reznor 112107 Pressure Switch (Air Proving Switch). This genuine OEM switch detects proper vent or inducer airflow before allowing the burner to fire, helping prevent unsafe combustion conditions and protect your HVAC equipment.
Key Features
- Genuine Reznor Replacement Part: Built to original equipment standards for reliable fit and operation in compatible Reznor duct furnaces and unit heaters.
- Pressure / Air Proving Switch: SPST (single-pole, single-throw) design monitors air pressure or airflow to verify proper venting before ignition — a key safety function in gas-fired systems.
- Normally Open Configuration: Closes when adequate airflow is detected, enabling the control circuit to proceed with ignition.
- Fixed Setpoint: Non-adjustable setpoint pressure (approximately 0.175″ WC) ensures consistent performance in approved systems.
- Durable Construction: Designed to withstand the demands of commercial-grade HVAC equipment for long-term service.
