Robertshaw 2374-498 Air Pressure Sensing Switch

Air Pressure Sensing Switch, Robertshaw 2374-498, offers precise and dependable control for HVAC and pneumatic systems with a field adjustable design. This diaphragm-operated device senses air pressure and reliably triggers circuits as conditions change.

With an operating pressure rating of 0.5 PSI, it is designed for air as the pressure media and supports versatile installation in compact control panels. The SPDT, 2-Circuit contact configuration provides simple, reliable switching, while the 1/4 inch spade connection ensures secure wiring across a range of harnesses. This unit is UL and CSA approved for safety and compatibility in professional installations. It handles up to 5 amps at 120–277 VAC, 5 amps at 28 VDC, and 1 amp pilot duty at 120 VAC, making it suitable for many control circuits.

• Type: Field Adjustable
• Operator: Diaphragm
• Operating Pressure: 0.5 PSI
• Pressure Media: Air
• Contact: SPDT, 2-Circuit
• Connection: 1/4 Inch Spade
• Approval: UL, CSA
• Electrical Rating: 5 A @ 120–277 VAC, 5 A @ 28 VDC, 1 A Pilot Duty @ 120 VAC