37C73U-168 Gas Water Heater Control for Natural Gas

• 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 160°F Range
• Fully Regulated Main and Pilot Regulators Fixed at 3.5" W.C.
• Single Cycle E.C.O. Set At 195°F

Installation Instruction
Catalog Page

37C72U-185 Gas Water Heater Control for LP Gas (Left Hand Threads)

• 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet with Left-Hand Thread
• 70° to 160°F Range
• Main Burner Pressure - 10.0" W.C., Pilot Burner Pressure - Fixed

Installation Instruction
Catalog Page

• 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 160°F Range
• Fully Regulated Main and Pilot Regulators Fixed at 4.0" W.C.
• Single Cycle E.C.O. Set At 195°F
• Shank Length 1"
• Replaced Rheem 37C73U-836 (AP14270G-1)

Installation Instruction
Catalog Page

• 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 160°F Range
• Fully Regulated Main and Pilot Regulators Fixed at 4.0" W.C.
• Single Cycle E.C.O. Set At 195°F
• Shank Length 2 1/2"
• Replaced A.O. Smith 37C73U-274 (182791-005)

Installation Instruction
Catalog Page

• 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 160°F Range
• Fully Regulated Main and Pilot Regulators Fixed at 4.0" W.C.
• Single Cycle E.C.O. Set At 195°F
• Shank Length 2 1/4"
• Replaced A.O. Smith 37C73U-641 (182791-006)

Installation Instruction
Catalog Page

• 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 160°F Range
• Fully Regulated Main and Pilot Regulators Fixed at 4.0" W.C.
• Single Cycle E.C.O. Set At 195°F
• Shank Length 1 1/4"
• Replaced A.O. Smith 37C73U-640 (0001804250)

Installation Instruction
Catalog Page

• 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 155°F Range
• Fully Regulated Main and Pilot Regulators Fixed at.0" W.C.
• Single Cycle E.C.O. Set At 195°F
• Shank Length 1 1/4"
• Replaced A.O. Smith 37C73U-652 (186300-000)

Installation Instruction
Catalog Page

37E73A-903 Intelli-Vent Control for Power Vented Water Heaters

• Natural Gas Only
• Combination Gas Valve, Ignition Control and Thermostat
• Right Angle with 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 160°F Range
• Regulation Range Minimum 20,000 to Maximum 150,000 BTU
• Replaces A.O. Smith 184960 and State 9003691005

Installation Instruction

37E73A-906 Intelli-Vent Control for Power Vented Water Heaters

• Natural Gas Only
• Combination Gas Valve, Ignition Control and Thermostat
• Right Angle with 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 160°F Range
• Regulation Range Minimum 20,000 to Maximum 150,000 BTU
• Replaces State 9005964005

Installation Instruction

37E73A-918 Intelli-Vent Control for Power Vented Water Heaters

• Natural Gas Only
• Combination Gas Valve, Ignition Control and Thermostat
• Right Angle with 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 160°F Range
• Regulation Range Minimum 20,000 to Maximum 150,000 BTU
• Replaces Giant 56000152A

Installation Instruction

37E73A-921 Intelli-Vent Control for Power Vented Water Heaters

• Natural Gas Only
• Combination Gas Valve, Ignition Control and Thermostat
• Right Angle with 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 160°F Range
• Regulation Range Minimum 20,000 to Maximum 150,000 BTU
• Replaces GSW 64020

Installation Instruction

37E73A-922 Intelli-Vent Control for Power Vented Water Heaters

• Natural Gas Only
• Combination Gas Valve, Ignition Control and Thermostat
• Right Angle with 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 160°F Range
• Regulation Range Minimum 20,000 to Maximum 150,000 BTU
• Replaces GSW 64021 (37E73A-322)

Installation Instruction

37E73A-927 Intelli-Vent Control for Power Vented Water Heaters

• Natural Gas Only
• Combination Gas Valve, Ignition Control and Thermostat
• Right Angle with 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 160°F Range
• Regulation Range Minimum 20,000 to Maximum 150,000 BTU
• Replaces Rheem SP13845D

Installation Instruction