White-Rodgers 770-1 Heating Control Air Pressure Switch

The White-Rodgers 770-1 Heating Control Air Pressure Switch delivers precise sensing for heating and HVAC systems. This dual-purpose air pressure switch provides reliable SPDT switching and adjustable differential to fit a variety of installations. Built for rugged environments, it handles 120/240/277 VAC at 15 A resistive (non-inductive) with a 1/2 HP rating at 125 VAC. The unit features a 1/2 PSI pressure rating and an adjustable operating range of 0.05 to 12 WC, giving you flexible control across different duct sizes and burner's demands. With UL and CSA approvals, this switch meets safety standards for professional installations and long-term reliability.

• SPDT switch type for versatile control configurations
• Pressure rating: 1/2 PSI; adjustable range: 0.05–12 WC
• Voltage: 120/240/277 VAC at 15 A resistive (non-inductive)
• Power rating: 1/2 HP at 125 VAC
• Operating temperature: -40 to 180 °F
• UL and CSA approved for safety and compliance
• Suitable for electronic air cleaner, natural draft burner, induced draft burner, power humidifier, process drying, refrigeration equipment, and duct strip heater applications