Air Pressure Sensing Switch FS-751 FS@ 0.05" WC | NBK-21100

NBK-21100 – Air Pressure Sensing Switch FS-751 FS@ 0.05" WC – Special Order
The NBK-21100 Air Pressure Sensing Switch is designed for reliable detection of low pressure differentials in HVAC systems. Operating at a field setting of 0.05 inches WC, this sensing switch is ideal for applications requiring ultra-sensitive airflow detection and control.

⚠️ SPECIAL ORDER NOTICE: This is a special order item sourced from NBK. Please allow 1–2 business days for processing prior to shipment.

Key Features
✅ Ultra-Sensitive Sensing: Field set at 0.05" WC for precise low-pressure applications
✅ Durable & Accurate: Built to maintain performance in HVAC and industrial systems
✅ Universal Compatibility: Suitable replacement for many standard air proving switches

Specifications
📌 SKU: 21100
📌 Category: HVAC / Air Pressure Sensing Switches
📌 Model: FS-751
📌 Field Setting: 0.05 inch WC
📌 Application: Air pressure monitoring and safety control

Equivalent To
Cleveland Controls: FS-751

Why Choose the NBK-21100?
The NBK-21100 ensures your ventilation or combustion systems operate only when adequate airflow is present, helping to safeguard against failures and system damage. Ideal for OEM replacements or upgrades in sensitive air pressure monitoring applications.

Shipping & Availability
🚚 Special order from NBK. Please expect a 1–2 business day processing delay before shipping.