WT8840B1000/U Honeywell Home WT88 Series Gas Water Heater Control Valve (NAT 160°F 1” cavity), 1" Insulation Tank, 5" WC Setting. Trade Replacement Valve for all A.O.Smith Brand Standard NoX Water Heaters

The WT8840 series is the Water Heater Control for trade use to replace WV8840 valves used in AOSmith and Bradford White Water Heaters. It is designed for use in Standing Pilot applications using an immersion well for water temperature sensing. An included integrated NTC temperature sensor reads water temperature within the appliance up to 221 F (105 C).

Replaces WV8840B1042, WV8840B1109, WV8840B1110, 316910-000, 321166-000, 100112336. or 9007884005