Supco SUPCO has been an innovative leader in the HVACR and Appliance parts industries by designing, manufacturing and distributing high-performing parts, components, test instruments and tools. Pressure Switches SHP Pressure Switches SLP Time Delay Relay TD69 Time Delay Relay TD70 Temperature & Humidity Data Loggers Temperature & Humidity Data Loggers DVTH Digital Vacuum Gauge VG64 Digital Capacitor Tester Digital Thermohygrometer with clock THC120 Digital Pocket Thermometer Mini Split AC CatchAll Magnetic Umbrella Digital Airflow / CFM meter Digital Environment meter EM5 QUICK CONTACT All queries are answered within 10 hours during work days and within 16 hours during holidays.