Gas Control Trade Replacement Valve
SKU: WT8840B1000/U
Gas Control Trade Replacement Valve
SKU: WT8840B1000/U
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.
Requires Pro for installation
Gas Control Trade Replacement Valve
SKU: WT8840B1000/U
Resources
| Application | Water Temperature Sensing |
|---|---|
| Product Features | Replaces WV8840B1042, WV8840B1109, WV8840B1110, 316910-000, 321166-000, 100112336, or 9007884005 |
| Approvals and Standards | CSA Certified: ANSI Z21.20, ANSI Z21.23, ANSI Z21.78, ANSI Z21.87, CAN/CSA-C22.2 No. 199-M89, CAN1-6.6-M78, CSA 4.6, CSA 6.20 |
| Compatible With | Standing Pilots |
| Includes | NTC Temperature Sensor |
| Capacity (Min) | 30 Btuh |
| Capacity (Max) | 75 Btuh |
| Ignition Type | Standing Pilot with Peizo |
| Type of Fuel | Natural Gas |
| Sensor Type | NTC thermistor |
| Body Pattern | 90 degree |
| Inlet Pressure (Max) | 5.0 in w.c. |
| Control Input Voltage (Min) | 850 mV dc, open circuit |
| Control Input Voltage (Max) | 350 mV dc, open circuit |
| Mounting Type | Mount in the upright position |
| Inlet Connection Size | 1/2 in |
| Inlet Connection Type | NPT |
| Outlet Connection Size | 1/2 in |
This product must be installed by a qualified/licensed contractor and set up with properly calibrated test equipment. Failure to have the installation performed by a qualified professional could result in substantial property damage, and even severe personal injury or death, and Resideo will not be responsible for any damages or injuries resulting from not observing this warning.
Product Overview
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 included integrated NTC temperature sensor reads water temperature within the appliance up to 221 F (105 C).
