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- 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 in Standing Pilot applications using an immersion well for water temperature sensing. An inc
Resideo Water Heater Control, Series: WT8840, -32 to 150 deg F
- Temperature Rating-32 to 150 deg FManufacturerResideo TechnologiesManufacturer #WT8840B1000/USeriesWT8840