Copeland Comfort Control (Alco) 097720 Valve 326070 701 Seamless HK05ZG010 Replacement: Direct drop in Seamless HK05ZG010 Replacement: Direct drop in fit eliminates the need for field modifications or bracket adjustments Ensure all connections are tight and use twisted pair shielded cabling as recommended for electronic gas modulation circuits This components' fast response time and wide modulation range make it a critical part for variable capacity systems and energy efficient supermarket refrigeration or heat pump setups where maintaining precise evaporator load control is non negotiable for system longevity This valve requires a bipolar stepper motor driver or a compatible Copeland EC3 series controller to convert the 24VDC signal into the precise pulse steps required for operation