The Rheem EcoNet 800 Smart Thermostat (model RETST800SYS) is a thermostat designed for smart home integration. This easy-to-use WiFi-enabled thermostat works with your compatible Rheem smart heating, cooling and water heating equipment to maximize their efficiency and guarantee your comfort.

Compatible Equipment:
Furnaces: R98MV, R97MV, R962V, R802V, R951V, R921V
Air Conditioners: RA18AZ, RA16AZ, RA15AZ
Heat Pumps: RP18AZ, RP16AZ