... Thermostat . Suitbale for commerical,industry,reidential building, can control fan coil, motorized valve,air valve Mechanical Thermostat for Central Air-conditioner ... MT01A Features:Suitbale for commerical,industry,reidential building, can control ... ±1°C when at 25°C. MT01A Mechanical Thermostat for Central Air-conditioner