The Johnstone L36-898 ET5-SRTH-S Line Voltage Thermostat is a non-programmable thermostat specifically designed for evaporative coolers. With a focus on providing reliable temperature control, this thermostat is compatible with evaporative coolers and offers easy adjustments for desired settings. The Johnstone brand is known for quality HVAC products, making this thermostat a dependable choice for maintaining optimal cooling conditions in commercial or industrial settings.