Cleveland Controls DFS-221-199 Pressure Switch

Air Pressure Sensing Switch

Cleveland Controls DFS-221-199 Air Pressure Sensing Switch – SPDT, 0.02" WC Fixed Setpoint, Automatic Reset

The Cleveland Controls DFS-221-199 Pressure Switch is a compact, high-precision air and gas pressure sensing switch designed for HVAC and combustion air proving applications. Featuring a fixed setpoint at 0.02" WC ± 0.05, this switch ensures reliable detection of low-pressure airflow conditions for system protection and performance optimization.

🔧 Key Features:

• Model: DFS-221-199

• Type: Air Pressure Sensing Switch

• Setpoint Range: 0.00 to 0.05" WC

• Fixed Setpoint: ±0.05 at 0.02" WC

• Switch Type: SPDT (Single-Pole Double-Throw)

• Reset Type: Automatic

• Connection: 0.25" Barbed Ports

• Terminals: Male 0.25" 90° Quick-Connect

• Media Compatibility: Air and Gas

✅ Benefits:

• Reliable air proving for HVAC and burner systems

• Compact and durable construction

• Automatic reset eliminates manual maintenance

• SPDT contacts provide flexible control options

• Easy installation with quick-connect terminals and barbed fittings

🛠️ Applications:

• HVAC systems

• Combustion air proving

• Gas-fired appliances

• Draft sensing

• Pressure monitoring in air or gas lines

Ensure safe and efficient system performance with the Cleveland Controls DFS-221-199 Pressure Switch — engineered for accurate low-pressure detection and dependable operation in air and gas applications.