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Bosch gas cooktop regulator fuel conversion from Natural Gas to LP Gas (C) Daniel Friedman How to Convert a Gas Appliance Regulator from LP to Natural Gas or from Natural Gas to Propane

  • CONVERT the GAS REGULATOR - CONTENTS: How to change an LP or natural gas appliance regulator over from liquid petroleum gas (LP or bottled gas) to natural (piped-in) gas for gas fired appliances in a building.
  • POST a QUESTION or READ FAQs about gas fuel conversions: LP or "bottled gas" to piped-in natural gas service
  • REFERENCES
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LP to Natural Gas appliance regulator conversions between Natural Gas& o LP fuel gas:

This article describes a typical procedure for changing a gas appliance regulator from natural gas input to LP gas (propane) input. Setting the gas pressure regulator to the proper fuel is a required step in converting a gas appliance from one fuel to another and must be performed for safe, proper operation.

Advice & procedures for changing from LP gas to Natural gas in a building. Advice for converting between Natural gas and LP gas in a building.

This article series explains the procedure for converting from LP gas or "bottled gas" to natural gas or "piped in gas" at a building.



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LP Gas <-> Natural Gas Appliance Regulator Conversion - Example

Here are examples of how gas range and oven components may be converted between natural gas and LP Gas. Below we illustrate removing the cap from the gas regulator for a Bosch gas cooktop in the NGM80 series. At below right the cap has been removed by unscrewing it from the regulator body. Close-up photos follow.

Bosh Gas Regulator for a gas cooktop (C) Daniel Friedman

Watch out: Most manufacturers require that installation and fuel conversions shall be performed by a trained and qualified service technician. The technician should be sure to correctly identify the model number of your gas appliance so that s/he can follow the correct details of the manufacturer's instructions.

Bosh Gas Regulator for a gas cooktop (C) Daniel Friedman

Typically the conversion between fuels requires simply the rotation, inversion, or adjustment of parts already present on the gas appliance.

[Click to enlarge any image]

Rotating Type Gas Regulator Adjustment to Convert Between Natural Gas & LP or Propane Gas

From left to right in the sketch below: an oven burner control internal part is rotated to convert between LP or Natural gas. At second from left the stove top gas burner air shutter position is adjusted. At below right, a component inside the gas regulator is inverted.

Example of converting a gas range oven regulator between LP gas and natural gas (C) InspectApedia

Watch out: The sketches above, adapted from a U.S. made gas range and oven are given only for purposes of general example. Be sure to follow the manufacturer's recommendations for converting your appliance between LP gas and Natural Gas. Improper adjustment or modification of gas fired appliances can be dangerous and may result in fire or even death from gas leaks.

Below we will show how a different type of gas regulator cap is converted between fuels not by rotating a part but by pulling off and flipping it over.

How to Adjust the Gas Pressure Regulator to Convert between LP Gas and Natural Gas by Turning over the Plastic Plug Inside the Cap

Below we illustrate these steps in photographs for the Bosch gas cooktop. The cooktop is delivered from the factory set up to be connected to natural gas. We show the conversion of the cooktop from natural gas TO LP or propane gas. [Click to enlarge any image]

Bosch gas cooktop regulator fuel conversion from Natural Gas to LP Gas (C) Daniel Friedman

At above left you see the gas regulator cap with the plastic plug in position to use natural gas.

Bosch gas cooktop regulator fuel conversion from Natural Gas to LP Gas (C) Daniel Friedman

This is the gas regulator cap as it was removed from the regulator. You need to examine it with more care to see how it has been set up. We see that the letters "NAT" are shown upside down if the cap is held with its outer surface "down". This is the "natural gas" position as the regulator is delivered from the factory.

At above right we've removed the green plastic plug by gently wiggling it side to side and pulling it off of the cap.

Bosch gas cooktop regulator fuel conversion from Natural Gas to LP Gas (C) Daniel Friedman

At above left you see the gas regulator cap with the plastic plug flipped "over" 180 degrees and pushed back into the cap in the proper position to use LP gas: the letters "LP" are upside down and the larger diameter disc is visible.

Bosch gas cooktop regulator fuel conversion from Natural Gas to LP Gas (C) Daniel Friedman

At above right we have reassembled the regulator cap back onto the regulator, taking care not to strip the threads of the aluminum parts.

The cap should be tightened snugly but don't use too much force or you may damage it. We marked this regulator as "LP" to indicate that it's ready for use in connection to a LPG or propane gas supply.

LP to Natural Gas Regulator Conversion Example - (C) DJF

or on some models

Example of converting a gas range oven regulator between LP gas and natural gas (C) InspectApedia

Here is an example of a convertible gas range pressure regulator.

[Click any of these images for a larger, more detailed version.]

Using simple tools the pressure regulator cap is removed, flipped over, and reinstalled.

Gas pressure regulators used in several home appliances may be similar, but as we warn above, be sure to find and obtain the precise instructions from the manufacturer of your own appliance brand, model, and serial number in order to be safe.

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