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

secure installation in existing control boxes

you reduce the load on your compressor and lower energy overhead

Is this heater rack compatible with 208V systems

where maintaining specific static pressure and CFM is non-negotiable

Aaon ASM01891 Pressure Control 318973-401 Integrated Thermal Time Relay: IncludesThe 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