Regency P33-3 Zero Clearance Direct Vent Gas FireplaceCOMBUSTIBLE MANTELSINSTALLATIONClearances for Bay or Flush FrontBecause of the extreme heat this fireplace emits, the mantel clearances are critical. Com-bustible mantel clearances from top of unit are shown in the diagram below.Note: A non-combustible mantel may be installed at a lower height if the framing is madeof metal studs covered with a non-combustible board.MANTEL LEG CLEARANCESCombustible mantel leg clearances as per diagram below:This drawing is to scale at 1:6 (one inch = 6 inches). Mantel can be installed anywhere in shadedarea or higher using the above scale.Note: Ensure the paint that is used on the mantel and the facing is "heat resistant" or thepaint may discolour.CLEARANCESThe clearances listed below are Minimum dis-tances unless otherwise stated:A major cause of chimney related fires isfailure to maintain required clearances (airspace) to combustible materials. It is of thegreatest importance that this fireplace andvent system be installed only in accordancewith these instructions.Clearance to Combustibles from:Back 0" (0mm)Side 0" (0mm)Floor 0" (0mm)NOTE: The minimum floor clearance must bemaintained from the top surface of the carpet-ing, tile, etc.Minimum Clearance from Top of Unit to:Mantel* min. 7" (177mm)Ceiling 30" (762mm)from top of unit.Side Wall ClearanceBay or Flush Front 7-1/2" (191mm)Maximum1-1/2" projection at 2"minimum clearance.Minimum Vent Clearances:2-1/2" (64mm) Horizontal Top1-1/2" (38mm) Horizontal Side1-1/2" (38mm) Horizontal Bottom1-1/4" (32mm) Vertical Vent Clearance (Simpson)1-1/2" (38mm) Vertical Vent Clearance (Flex)Alcove Clearances:Max. Depth 36" (914mm)Min. Width 48" (1219mm)Min. Height 59" (1499mm)* see mantel clearance instructions.WARNINGFire hazard is an extreme risk if theseclearances are not adhered to.The HeatWave Duct Kit has different clear-ance and framing requirements, check theHeatWave manual for details.