Description
The Reznor 197032 High Altitude Pressure Switch 0.45″ WC Pink is a control component to monitor and regulate air within HVAC systems and combustion operating at conditions. It regulates by detecting changes and signaling the control circuit to allow or stop operation based on proper airflow verification. It is typically used in unit heaters and similar gas-fired heating equipment where it affects air density and combustion performance. The switch plays a role in system safety and operational reliability by ensuring correct conditions before ignition and during running cycles.









