Measuring, detecting and monitoring instruments, indicators and controllers, of temperature, pressure, liquid level, velocity, water condition and light, namely, thermometers not for medical purposes, level indicators, motion detectors; optical and electrical sensors and detectors for temperature, pressure, liquid level, velocity, water condition and light; electric testing apparatus for liquids, namely, of temperature, pressure, liquid level, velocity and water condition; safety sensors in t...

apparatus comprising vials with measurement charts sold with chemicals for determining the water condition, water hardness pH value and chlorine content of swimming pools and other containers of water; vacuums used for cleaning pools and water conduit systems; and electronic controls for valves and pipe fittings