MasterStat Thermostat for Evaporative Coolers Designed to control any ducted evaporative cooler with a 2-speed motor up to 1 HP at 120-Volt or 2 HP at 240-Volt Onboard sensor has a control range of 50 to 90 Degrees F; Outputs provided are auto/manual, pump, fan and timer modes If power is interrupted while unit is operating, the unit will resume in the mode active during power loss; Rain proof control box included Kit includes wall control thermostat, 2-speed control, wire nut for common earth connection; spare 3.15-Amp fuse for control, jumper wire for link to N-link; Easy to install in an existing outlet box - minimal wiring required Compatible with MasterCool ADA51/71, ADA5112/7112, ASA51/71, ASA5112/7112, AUA51/71, AUA5112/7112, all AD1C-contractors series, all AS1C-contractors series, all AU1C-contractors series, all AD2C-contractors series, AS2C-contractors series, AU2C-contractors series; Compatible with UltraCool ADA50/70, ADA50-12/70-12, ASA50/70, ASA50-12/ASA70-12, AUA50/70, AUA50-12/70-12 ada, ADA51/71-series, ADA5