WT8840A1500/U alerton-kit-builder-banner The 75F Wall Sensor is

The 75F Wall Sensor is a high-precision temperature and humidity sensor that pairs with the 75F Smart Node to deliver data that influences equipment control

an override pushbutton switch

and BACnet MS/TP networks

With the largest backlit screen in its class

WT8840A1500/U alerton-kit-builder-banner The 75F Wall Sensor isReliable 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