Resideo

Resideo WT8840A1000/U Water Heater Control, -32 to 150 deg F

HWT8840A1000 MFG #: WT8840A1000
Resideo WT8840A1000/U Water Heater Control, -32 to 150 deg F
  • Country of Origin: MX
  • Manufacturer Name: Resideo Technologies
  • Series: WT8840
  • Temperature Rating: -32 to 150 deg F
The WT8840 series is the Water Heater Control for trade use to replace WV8840 valves used in AO 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).
  • Features and More

Features

  • Compact size, provide two automatic valves
  • Solenoid operated first automatic valve opens on thermostat call for heat, closes when call for heat ends
  • Diaphragm-operated second automatic valve opens under control of regulator, closes if gas or power supply is interrupted
  • Meets codes requiring dual safety shutoff
  • All adjustments, wiring connections and pilot outlet are accessible from top of control
  • Adjustable servo regulator effectively maintains almost constant gas output pressure under wide fluctuations in gas supply pressure
  • Compatible with ECO connector
  • On-off lighting sequence
  • Use with S86F,H, S860D, S8600F,H, S8610 and S90A,B control module
  • Natural to LP and LP to natural conversion kits available for standard and slow opening gas valves

Standards/Approvals/Certifications

  • ANSI Z21.20/Z21.23/Z21.78/Z21.87
  • CAN/CSA-C22.2 #199-M89 CAN1-6.6-M78
  • CSA 4.6/6.20