Procom QD250T Manual page 13

For changing from natural gas supply to propane supply
1. Remove bottom screw from cover plate, see figure 8, and rotate to expose gas selection valve.
2. For PROPANE GAS, press in knob using a flat screwdriver with a blade the width of a quarter and turn knob
counterclockwise
either the LP position or the NG position.
3. Rotate and close cover over gas selection valve and reinstall screw.
4. Remove metal or steel hex plug from LP gas inlet of regulator and install into NG inlet of regulator, use thread
sealant to assure there are no leaks.
until the knob locks into the LP position (see Figure 10). Selection valve must be locked into
Figure 8
Figure 9
Figure 10
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