WHITE-RODGERS 770-1 AIR SWITCH SPDT

Description:

The WHITE-RODGERS 770-1 Air Switch SPDT is used in commercial and industrial HVAC systems for sensing air pressure or airflow conditions and activating electrical switching functions within heating and ventilation equipment. Commonly installed in furnaces, air handling units, ventilation systems, and combustion air monitoring assemblies. Maintenance teams, HVAC technicians, and OEM manufacturers use this part for airflow switch replacement, HVAC system repair, retrofit projects, and restoration of air proving and pressure sensing functions.

Applications:

The WHITE-RODGERS 770-1 air switch is commonly used in HVAC and industrial ventilation environments requiring reliable airflow verification and dependable pressure-activated switching operation. It is frequently installed in furnace combustion systems, air handling equipment, exhaust systems, and ventilation control applications where accurate air pressure sensing and SPDT switching are critical for maintaining operational safety and proper airflow management. The switch supports continuous-duty HVAC control and safety monitoring applications.

Technical Specifications:

• Brand: WHITE-RODGERS
• Part Number: 770-1
• Product Type: Air Switch
• Switch Configuration: SPDT (Single Pole Double Throw)
• Application: Airflow and Pressure Sensing Control
• Compatible Equipment: Furnaces and HVAC Ventilation Systems
• Control Function: Pressure-Activated Electrical Switching
• Sensing Type: Air Pressure / Airflow Detection
• Mounting Type: HVAC System Mounted
• Industrial Use: Commercial and Industrial HVAC Systems
• Operating Environment: Ventilation and Combustion Air Applications
• System Compatibility: Air Handlers and Furnace Control Systems
• Construction Type: Pressure Sensitive Control Switch
• Maintenance Application: Airflow Switch Replacement and Retrofit

Common Replacements:

• Honeywell Air Proving Switch
• Cleveland Controls Pressure Switch
• Emerson HVAC Air Pressure Switch