... 9.Large output torque, which suitable for the pipe system with much scaling.10.Long service life 70,000 to 100,000 ... is resistive to humidity and ensures reliable operation for motor22.This ensures long life service for the actuator Material of main parts: Actuator ... under-floor,rain water,irrigation,plumbing service,hot water heating and solar glycol loop,ideal for off-grid system.Domestic/potable ...