WT8840A1500/U alerton-kit-builder-banner Easy-to-Use Thermostat with Familiar Design:

Easy-to-Use Thermostat with Familiar Design: Homeowners who crave simplicity and familiarity will find it in The Round Non-Programmable Thermostat

There are a number of applications in which the Temperature sensors may be used to monitor and control the building temperature

2 Heat/2 Cool Conventional Systems And 3 Heat/2 Cool Heat Pump Applications

With the largest backlit screen in its class

cool and fan demands

WT8840A1500/U alerton-kit-builder-banner Easy-to-Use Thermostat with Familiar Design:Reliable Temperature Sensing: The WT8840 water heater control from Resideo is designed for use in standing pilot applications using an immersion well for water temperature sensing. It is powered from a thermopile heated by the standing pilot flame. Includes an integrated NTC temperature sensor. The WT8840 series is the Water Heater Control for trade use to replace WV8840 valves used in A O Smith and Bradford White Water Heaters. It is designed for use