Carrier 4385 Tray THPU32HP7Y Standardized Connections: The 1/4" barb

Standardized Connections: The 1/4" barb connection simplifies field replacement and ensures a leak-free seal with existing pneumatic lines

Atmospheric Burner Precision: Specifically calibrated for negative pressure (pull-through) and indirect fired applications requiring stable flame signals

Non-Stick Alignment: Specialized seat-to-disc engineering prevents the valve from sticking or freezing even after long periods of inactivity

Using a 100109781 thermostat on a natural gas system is prohibited and unsafe due to the 10

Always cross-reference your specific model and serial number to verify the technical specifications match

Carrier 4385 Tray THPU32HP7Y Standardized Connections: The 1/4" barbThe Carrier 4385 Water Distribution Tray is a critical OEM component designed for high efficiency flow through humidifiers, as well as select evaporator coil drainage applications. Engineered primarily for the Carrier Humidifier Water Distribution system, this tray ensures that incoming water is evenly dispersed across the evaporator pad. Proper saturation is essential for maintaining the target humidity levels and preventing dry spots that lead to