The ASCO Series AH2E On-Off Hydramotor is a push-type, self-contained, electrohydraulic linear actuator that extends when powered and retracts by spring force upon power interruption. The Hydramotor provides a fast spring return shutoff time of 1 second or less. When the actuator is mounted to a V710 gas valve, position indicators on both sides of the actuator show the valve´s open or closed position. The AH2E On-Off Hydramotor/V710 gas valve combination provides main line control for boiler, furnace, and oven applications plus industrial and commercial burners.