Stable and Durable: Constructed from high-strength ABS material, this heating ventilation pressure switch resists impacts and resists deformation. Its robust build and stable calibration prevent drift over time, ensuring dependable performance in continuous-duty HVAC and air handling applications.Multi-Effect Protection: This gas furnace pressure switch features a dust proof, shockproof, and water withstand design, offering comprehensive protection against environmental hazards. Its rugged ABS housing and sealed internals deliver long-lasting operation even under harsh HVAC and ventilation conditions.Wide Detection Range: The pressure differential switch can sense as low as 20 Pa differential pressure and measure up to 500 Pa, making it ideal for furnace vent air pressure switch duties. Its broad detection capability ensures critical airflow verification in both residential and commercial systems.Versatile Application: The air furnace differential pressure switch is widely used across aerospace, electronics processing, pharmaceutical manufacturing, and environmental engineering. Its precise differential sensing supports cleanrooms, lab hoods, and commercial ventilation setups for safety and regulatory compliance.Precise Measurement: The hvac differential pressure switch detects minute pressure changes with 20 Pa sensitivity and measures 50500 Pa range for accurate monitoring. Its high-precision sensor ensures reliable readings in gas furnace applications and protects system performance.