Regency ® E21-3 Gas Fireplace Insert 23INSTALLATION17) Verify that if the conversion is from NG toLPG, the screw must be re-assembledwith the red o-ring visible (Fig. 5).18) Re-assemble the black protection cap(Fig. 6).WARNING!Also check that the pilot and mainburner injectorsare appropriate for the gas type.LPG ConfigurationRed o-ring visibleFig.5Fig. 6Installation of the DC Sparker:24) Locate the Piezo Ignitor situated at theside of valve.25) Remove the Piezo Ignitor by unscrewingthe nut at the back of the mountingbracket.26) Disconnect the ignitor wire from thePiezo Ignitor and connect it to the DCSparker.PiezoIgnitorIgnitorWirePiezoIgnitorIgnitorWireDCSparker27) Connect the DC spark generator wiresto the SIT Valve with the screw, which isprovided in the kit.28) Reattach the switch cover. Reinstall thetop 11/32 nut star washer into place.Then install the ground wire onto thebottom lug and reinstall the 11/32 nutstar washer to secure in place.22) Attach the label "This unit has beenconverted to LPG" near or on top of theserial # decal.23) Replace the yellow "NG" label with red"LPG" label.19) Replace Burner Tray and reverse steps6) to 1).20) Adjust the burner aeration setting from1/8" to 3/16" as required for the bestflame picture.21) Remove the switch cover from the leftside of the body base. Disconnect the 2wires from the thermodisc and pull thethermodisc out of the bracket under theleft side of the firebox bottom. Replacewith the Thermodisc supplied with thiskit and reconnect the 2 wires.Remove the 2 nuts holding the switch box inplace, then pull thethermosdisc out of the bracket.16) Using the Allen wrench as shown inFig.4, rotate the screw clockwise untilsnug, do not overtighten.Fig.4WARNING!Do not overtighten the screw.Recommended togrip the wrench by the short side.14) Check that the screw is clean and ifnecessary remove dirt.15) Flip the screw (Fig. 3).Fig.3Screw