Regency ® P121-2/P121LC-2/P121RC-2/P131-2 Zero Clearance Direct Vent Gas Fireplace 11BCAFRAMING AND FINISHINGP121-2 - See ThruP131-2 - PierFraming DimensionsP121-2 (See Thru) P131-2 (Pier) P121LC-2 / P121RC-2(Corner Unit)A 25"(635mm) 25"(635mm) 26-13/16"minus two times minus two times minus one timethe fi nishing the fi nishing the fi nishingmaterial thickness* material thickness* material thickness*B 42-1/2"(1080mm) 42-1/2"(1080mm) 42-1/2"(1080mm)C 46-3/4"(1187mm) 45" (1143mm) 45"(1143mm)minus one time minus one timethe fi nishing the fi nishingNote: These units arenon-load bearing.P121LC-2 - Corner Unit* Finish material thickness includes: drywall, ceramic tile, slate, etc.1) For ease of installation, frame your fi replace after it is positioned andthe vent system is installed. Remember to install the top standoffs.See the "Unit Assembly Prior to Installation" section. Use 2x4's andframe to local building codes.CAUTION: Verify your fireplace dimensions, framing methods andfinished wall facing details before framing. Determine the totalthickness of facing material - drywall plus ceramic tiles, slate, etc.Allow the finish surface to be flush with the front or side of theunit. Total facing thickness can vary from 1/2" (13mm) to 1-1/4"(32mm) thick.2) When locating your appliance on an exterior wall or in a chase, applya vapour barrier and drywall, as per local building codes. DO NOTINSULATE THE FIREPLACE ITSELF.CAUTION: The unit does not have to be completely enclosed ina chase. The clearance on top of the unit is 0" to the standoffsso combustible building materials can be laid directly on topof the standoffs. You must maintain clearance from the vent tocombustible materials for both rigid and flex, see Vent Clearancesin the "Clearances" section.P121RC-2 - Corner UnitINSTALLATION