The White-Rodgers 37E73A-903 Intelli-Vent control combines a gas valve, ignition control, and thermostat in one compact water heater control assembly. Designed for natural gas power-vented water heaters, this control manages burner operation, ignition timing, and temperature regulation through an integrated microcomputer-based system.

This model features a right-angle body design with a 1/2 inch NPT inlet and 1/2 inch inverted flare outlet, making it suitable for select power-vented hot water tank applications. The control provides direct burner ignition using a silicon nitride ignitor and uses Intelli-Ignition technology to support reliable ignition performance and extended ignitor service life.

The 37E73A-903 is commonly used as a replacement control for select A.O. Smith and State Industries water heater applications, including cross-reference numbers A.O. Smith 184960 and State 9003691005.

Key Features

• Combination gas valve, ignition control, and thermostat
• For natural gas power-vented water heaters
• Intelli-Vent / Intelli-Ignition control technology
• 1/2 inch NPT inlet
• 1/2 inch inverted flare outlet
• Temperature range: 70°F to 160°F
• 120 VAC, 60 Hz operation
• Regulation range: 20,000 to 150,000 BTU/hr
• Maximum inlet pressure: 1/2 PSI
• Cross references: A.O. Smith 184960, State 9003691005

Frequently Asked Questions

• What is the White-Rodgers 37E73A-903 Intelli-Vent Water Heater Valve used for?
  The White-Rodgers 37E73A-903 is used on select power-vented natural gas water heaters. It combines the gas valve, ignition control, and thermostat into one control assembly.


• Is the White-Rodgers 37E73A-903 for natural gas or propane?
  The White-Rodgers 37E73A-903 is designed for natural gas applications only.


• What components are combined in the White-Rodgers 37E73A-903 Intelli-Vent control?
  This Intelli-Vent control combines gas regulation, ignition control, and temperature control in a single water heater valve assembly.


• What water heaters does the White-Rodgers 37E73A-903 fit?
  The White-Rodgers 37E73A-903 is commonly used with select A.O. Smith and State power-vented hot water tanks. Always verify the water heater model and replacement part number before ordering.


• Does the White-Rodgers 37E73A-903 replace A.O. Smith 184960?
  Yes. The White-Rodgers 37E73A-903 is commonly listed as a replacement for A.O. Smith 184960.


• Does the White-Rodgers 37E73A-903 replace State 9003691005?
  Yes. The White-Rodgers 37E73A-903 is commonly listed as a replacement for State 9003691005.


• What voltage does the White-Rodgers 37E73A-903 use?
  The White-Rodgers 37E73A-903 operates on 120 VAC, 60 Hz power.


• What are the connection sizes on the White-Rodgers 37E73A-903?
  The White-Rodgers 37E73A-903 has a right-angle body with a 1/2 inch NPT inlet and a 1/2 inch inverted flare outlet.


• What is the temperature range of the White-Rodgers 37E73A-903?
  The listed temperature range for the White-Rodgers 37E73A-903 is 70°F to 160°F.


• What is the BTU regulation range for the White-Rodgers 37E73A-903?
  The White-Rodgers 37E73A-903 has a regulation range of 20,000 to 150,000 BTU/hr.


• Does the White-Rodgers 37E73A-903 include diagnostic operation?
  Yes. The Intelli-Vent control uses a microcomputer to supervise ignition timing and provide diagnostic codes when a system malfunction is detected.


• Should the White-Rodgers 37E73A-903 be installed by a qualified technician?
  Yes. Gas valve and ignition control installation should be completed by a qualified service technician following the water heater manufacturer’s instructions and all applicable codes.