Code 1 Matching: Manufactured to Browning’s strict Code 1 match belt system

This replacement model 30685566-003 provides a leak-proof connection between the valve stem and packing assembly

This hermetic replacement is pre-charged with mineral oil and features a high internal free volume to safely handle liquid slugging

Built to withstand 300 PSI static pressure

Trane CNT4990 Pressure Control 320788-704 Code 1 Matching: Manufactured toThe Trane CNT4990 is a high precision HVAC air pressure control switch engineered for critical monitoring in residential and light commercial systems. This OEM Trane replacement part features a fixed set point of 0. 26" WC, making it a vital safety component for sensing draft in inducer fan assemblies and ensuring proper airflow before ignition. With its SPST (Single Pole Single Throw) contact configuration, the CNT4990 provides reliable circuit