EVOLUTION

Expansion valves for fluid control used in commercial refrigeration systems; Pressure indicators and pressure measuring apparatus used in cooling racks, for commercial use; Pressure indicators and pressure measuring apparatus used in compressors and hydraulic pumps, for commercial use; Refrigerant meters used in commercial and residential coolers, upright freezers, cooling tanks, beverage displays, and refrigeration counters; Temperature indicators and temperature meters used in commercial cooling tanks, chilled good displays, and walk-in refrigerators, not for medical use; Temperature indicators and temperature meters used in commercial and residential stoves, boilers, heaters, hot counters and heated floors, not for medical use; Thermostats used in commercial and residential solar heating systems for thermal tanks and swimming pools; Transmitters of electronic signals; Valve amplifiers; Voltmeters