Kohler — LP/Natural Gas Conversion

Adjustments · gas regulator

From a Kohler service manual covering: 10RFY, 10RFZ, 10RY, 10RZ, 12R, 12RFY, 12RFZ, 18RFY, 18RFZ, 18RY, 18RZ. Check it applies to your exact model before use.

Applies to: Kohler 10RY, Kohler 12R, Kohler 18RY, Kohler 18RZ

Procedure

1. Remove retaining screw from underside of gas regulator.
2. Remove retainer and internal spring for LP gas operation.
3. Reinstall retaining screw.
4. Save spring and retainer for conversion back to natural gas.
5. For natural gas, replace spring and retainer.
6. Rotate spring retainer to obtain 5 in. water column at full load.

Full service-parts list: Kohler 10RY →, Kohler 12R →

Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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