Emerson Climate Technologies
Emerson Climate Technologies White-Rodgers 36H33-412 Gas Valve 24 V NG/LP
Controls gas flow for natural gas or propane heating systems up to 300,000 BtuH with 24 V operation and included conversion kit
- Reliable ignition with 24 V gas valve operation
- Handles both natural gas and liquid propane fuels
- Adjustable outlet pressure from 2.5 to 12.0 in wc
- Built-in pressure regulator ensures consistent gas flow
- Quick-connect terminals speed up electrical installation
White-Rodgers 36H33-412 Gas Valve
The White-Rodgers 36H33-412 is a 24 V gas valve designed for HVAC systems that run on natural gas or liquid propane. It includes a pressure regulator and a conversion kit so the same valve can be set up for either fuel. An on/off switch is built in for manual control. The straight-thru flow direction suits typical furnace and boiler piping layouts.
Verify voltage and pressure before ordering
Confirm the control circuit supplies 24 V and that the existing wiring uses quick-connect terminals matching the valve’s 0.41 A draw. Check that the gas supply pressure falls within 2.5 to 12.0 in wc depending on fuel type. Ensure the straight-thru orientation matches the pipe run and that the 300,000 BtuH maximum capacity covers the appliance rating. A pilot generator kit is not included if the system requires one.
Regulator holds steady pressure during long cycles
The integrated pressure regulator maintains consistent outlet pressure throughout extended heating cycles, preventing drift that can occur on shorter burns. Quick-connect terminals stay secure under continuous vibration from blower operation. The valve body handles sustained flow up to the rated capacity without overheating the solenoid. Conversion kit components remain sealed during prolonged exposure to either natural gas or propane.
Highlights
- Reliable ignition with 24 V gas valve operation
- Handles both natural gas and liquid propane fuels
- Adjustable outlet pressure from 2.5 to 12.0 in wc
- Built-in pressure regulator ensures consistent gas flow
- Quick-connect terminals speed up electrical installation
Specifications
| Brand | WHITE-RODGERS |
|---|
Questions about this item
What comes in the box with the 36H33-412 gas valve and do I need a separate pilot generator?
The valve includes a conversion kit, an on/off switch, a pressure regulator, and inlet and outlet pressure taps. A pilot generator kit is not included and must be purchased separately if required.
Should I choose natural gas or LP for the 36H33-412 and what are the pressure ranges?
The valve is convertible between natural gas and LP. Natural gas operates at 2.5 to 12.0 in wc and LP at 7.0 to 12.0 in wc; use the included conversion kit to match your fuel supply.
What does the 300,000 BtuH rating mean for my furnace installation?
The 300,000 BtuH figure is the maximum heating capacity the valve can control. Ensure your appliance input rating does not exceed this limit and that the 24 V, 0.41 A electrical supply matches the valve.
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