National Comfort Products 14208324 Pressure Switch

Ensure precise operation within your National Comfort Products equipment using the 14208324 Pressure Switch. This authentic OEM replacement part is engineered for critical air pressure monitoring in thru-the-wall condensing units and heat pumps. With a factory-calibrated .55" water column set point, this switch provides the exact sensitivity required to verify inducer drafting and maintain stable ignition cycles. Its double-pole configuration and compact beige/black housing allow for seamless HVAC pressure control integration in tight service vestibules.

Designed for professional-grade reliability, the National Comfort Products 14208324 prevents furnace and AC operation during venting obstructions or blower failures. This switch is a direct-fit component for various 1000, 3000, and 4000 series systems, eliminating the need for field modifications or bracket adjustments. Whether you are troubleshooting a vent pressure switch failure or performing routine maintenance on multi-family housing units, this HVAC sensor ensures your system meets manufacturer airflow specifications.

• Factory Calibrated Sensitivity: Features a .55" WC set point for precise differential pressure switch activation and system safety.
• OEM Compatibility: Specifically designed for National Comfort Products 18, 24, and 30 series thru-the-wall equipment.
• Direct Fit Installation: Standard 1/4" terminal connections and compact footprint ensure rapid field replacement.
• System Protection: Actively monitors for blocked flues and inducer assembly issues to prevent unsafe operating conditions.

• What does a .55" WC rating signify? This represents the static pressure at which the switch closes to allow the ignition sequence to continue.
• Can this switch be used in R-410A systems? Yes, it is compatible with National Comfort Products R-410A condensing units and heat pumps that utilize these specifications.
• How do I verify if this part is failing? Use a manometer to check actual WC pressure against the .55" rating and a multimeter to confirm continuity when the inducer is active.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.