As a direct OEM Aaon replacement part

Efficient Heat Exchange: Optimized viscosity and surface tension improve fluid flow and heat transfer rates within the system

this specific model is a vertical drain pan designed exclusively for upflow or downflow configurations

making it suitable for both refrigeration and light freezing cycles

Universal Series Compatibility: Specifically engineered for the RK-25AUB-Z3 series 2" valves

Carrier HH18HA120 Temp Switch 319825-402 As a direct OEM AaonThe Carrier HH18HA120 Temp Switch is a critical safety component designed for precise thermal regulation within residential and light commercial HVAC systems. Engineer specified with an operating temperature range of 120 30F, this OEM Carrier replacement part functions as a high limit safety or operating control to prevent equipment damage during abnormal thermal conditions. Built for durability in high cycle environments, it provides reliable HVAC