... ,under-floor,rain water,irrigation,plumbing service,hot water heating and solar glycol loop,ideal for off-grid system. ... Domestic/potable water,Irrigation system,cooling/heating system,Low voltage plumbing system7.Multiple voltage and control ... ,motorized valve,industrial valve,manual valve,pneumaticvalve/air actuator,automatic valve,actuator,IC card water meter,RF card water meter, ...