Hankison 7419309 Pressure Switch

The Hankison 7419309 Pressure Switch is a critical control component engineered for SPX Flow-Hankison refrigerated air dryers with a flow capacity ranging from 75 to 500 SCFM. As a veteran-grade OEM replacement part, the 7419309 is the verified direct substitute for the legacy 3161274 and 7433677 models. This fan pressure switch (often identified by Wilspec HC400-809-0031) provides precise electrical circuit activation based on system load, ensuring optimal refrigerant compressor cycle timing and preventing moisture carryover in industrial compressed air systems.

Designed for heavy-duty HVAC/R industrial environments, this switch maintains the integrity of the 38°F pressure dew point by regulating condenser fan operation. Its robust construction resists the vibration and thermal cycling common in high-capacity Hankison HPR and Flex Series dryers. Contractors should verify the 1/4" connection and pressure setpoints against existing field data to ensure a seamless drop-in fit. Integrating this genuine Hankison part restores factory-spec energy efficiency and protects downstream pneumatic tools from liquid contamination.

• Direct OEM Compatibility: Engineered as a high-precision 7419309 Hankison replacement for the discontinued 3161274 pressure switch.
• Optimized Performance: Specifically tuned for 75-500 SCFM compressed air dryers to maintain consistent air quality.
• Industrial Durability: Features high-cycle reliability for compressed air treatment applications in demanding process environments.
• Energy Efficiency: Ensures the fan motor operates only when necessary, reducing overall electrical consumption.

• Is this switch a drop-in replacement for the 3161274? Yes, the 7419309 is the official manufacturer-designated direct replacement for part number 3161274.
• What systems use the Hankison 7419309? It is most commonly found in Hankison HPR Series and Flex Series refrigerated dryers within the 75 to 500 SCFM range.
• How do I troubleshoot a failing pressure switch? If the dryer is experiencing high pressure drops or water downstream, the fan pressure switch may be failing to engage the cooling circuit. Always trace the circuit to verify the switch is opening/closing at the correct setpoints.

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.