where maintaining specific static pressure and CFM is non-negotiable

Integrated Thermal Time Relay: Includes a factory-set 60-second delay to accommodate pressure fluctuations during the initial compressor start-up cycle

protecting high-tolerance internal rotors and bearings

ensuring long-term seat integrity

Multi-Speed Versatility: 3-speed taps (1075/950/810 RPM) allow for customized CFM delivery based on system tonnage

Aaon ASM01891 Pressure Control 318973-401 where maintaining specific static pressureThe Aaon ASM01891 Pressure Control is a sophisticated Two Condenser Head Pressure II Module engineered to optimize performance in complex HVACR systems. As a direct replacement for V20660, this authentic OEM ASM01891 part ensures seamless integration and high precision monitoring for units with Two physically separate condenser sections. By utilizing E BUS communication, the ASM01891 head pressure control can monitor up to four individual head