16 | Regency Horizon™ HZ42STE-10 Gas Fireplace|16installationNAILING STRIPSThe side nailing strips come attached to the unit. There are 2 plates oneach side - 4 in total. They can be folded out as required.UNIT ASSEMBLYPRIOR TOINSTALLATIONThe Standoffs and Nailing Strips must be correctly positioned and attachedto the firebox before unit is slid into position.STANDOFF ASSEMBLYThe side, top and rear standoffs are shipped in a flat position and mustbe folded into shape and attached.1) Remove the standoffs from the fireplace.2) Take each standoff and bend into the correct shape. Bend up at thebend lines until the screw holes in the standoff and the pre-punchedscrew holes on the fireplace side line up.3) Attach the standoff securely to the side with 2 screws per standoff (onopposite corners).Nailing Strips shown folded out.IMPORTANT NOTEFraming depth measurement is noted withthe side nailing strips set as far forward onthe firebox as possible. The nailing strips canbe adjusted back up to 3” to allow for varyingthicknesses in non-combustible material & wallfinishes.INSTALLATION ACCESS PANELThe unit is equipped with a removable access panel for pre-finish installationof optional components - this panel is located on the lower front face.1. Remove 8 screws to remove access panel.2. Easier access to gas connection with panel removed.3. Install any optional components with access panel removed.4. Reinstall access panel with 8 screws - prior to installing any facingmaterialNote: Access panel is no longer usable once facing material installed.Installation Access Panel