What are the exact dimensions for the duct cutout

Does this valve require a separate linkage kit

Precise Head Pressure Regulation: Maintains consistent refrigerant head pressure during low ambient operation to ensure proper oil return and cooling capacity

Flexible Installation: Compact design with molded-in terminal barriers and a mounting screw that provides a positive ground connection for fast field replacement

the 3-pole 30A design is capable of interrupting all three legs of a three-phase circuit for complete electrical isolation

IO Hvac Controls iO-WW4 Alarm System 322838-753 What are the exact dimensionsThe iO WW4 Warning Watchdog is a professional grade condensing unit alarm system engineered to protect up to four separate HVAC units from refrigerant theft, copper stripping, and equipment tampering. As a hardwired logic based solution, this system integrates directly into your existing security infrastructure or operates as a standalone deterrent. It triggers a modular 118dB outdoor siren and features auxiliary alarm contacts to alert central