Regency PG121/PG131 Zero Clearance Room Sealed Gas Fireplace 19INSTALLATIONHORIZONTALINSTALLATIONSInstall the flue system according to themanufacturer's instructions included withthe components.1) Set the unit in its desired location. Check todetermine if wall studs or roof rafters are inthe way when the flueing system is attached.If this is the case, you may want to adjustthe location of the unit. Rough in the gas.2) Direct Flue pipe and fittings are designed withspecial twist-lock connections to connect theflueing system to the appliance flue outlet. Atwist-lock appliance adaptor is an availableoption that must be used in conjunctionwith the Simpson Dura-Vent Direct Vent GSsystem.3) Put a bead of silicone inside the outer sectionof the adapter and a bead of Mill Pac on theinner collar. Slip the adapter over the existinginner and outer flue collar and fasten to theouter collar only with the 3 supplied screws(drilling pilot holes will make this easier).Level the fireplace and fasten it to the fram-ing using nails or screws through the nailingstrips.4) Assemble the desired combination of pipeand elbows to the appliance adaptor andtwist-lock for a solid connection.Note:a) Twist-lock procedure: Four indentations,located on the female ends of pipes andfittings, are designed to slide straightonto the male ends of adjacent pipesand fittings, by orienting the four pipeindentations so they match and slidein to the four entry slots on the maleends, Diagram 1. Push the pipe sectionscompletely together, then twist-lockDiagram 1ported every three feet. Wall straps areavailable for this purpose.5) Mark the wall for a 10" x 10" square hole.The center of the square hole should lineup with the centerline of the horizontalpipe. Cut and frame the 10 inch squarehole in the exterior wall where the flue willbe terminated. If the wall being penetratedis constructed of non-combustible material,i.e. masonry block or concrete, a 7"(178mm)dia. (7-1/2"(191mm) dia. for flex) hole isacceptable.Note: With Dura-Vent, the minimum heightis achieved by installing a 45o elbow directlyto the fl ue adaptor.Note:a) The horizontal run of flue must be level,or have a 1/4 inch rise for every 1 footof run towards the termination. Neverallow the flue to run downward. ThisDiagram 2could cause high temperatures andmay present the possibility of a fire.b) The location of the horizontal flue termi-nation on an exterior wall must meet alllocal and national building codes, andmust not be blocked or obstructed. ForExternal Flue Terminal Locations, seediagram on page 12.6) The arrow on the flue cap should be point-ing up. Insure that the 1-1/2" clearancesto combustible materials are maintained(Diagram 3 on page 16). Install the termina-tion cap.The four wood screws provided shouldbe replaced with appropriate fasteners forstucco, brick, concrete, or other types ofsidings.Note: If installing termination on a sidingcovered wall, a vinyl siding standoffor furring strips must be used toensure that the termination is notrecessed into the siding.7) Before connecting the horizontal run of flueNote: Apply sealant "Mill-Pac" to inner pipeand high temperature silicone sealantto outer pipe on every twist-lock joint.b) Horizontal runs of flue must be sup-Diagram 12Vertical Flueing with Three (3) 90o ElbowsOption V + V1 H + H1A) 2' (610mm) Minimum 3' (914mm) MaximumB) 3' (914mm) Minimum 6' (1.86m) MaximumC) 4' (1.22m) Minimum 9' (2.7m) MaximumD) 5' (1.5m) Minimum 12' (3.6m) Maximumone section clockwise approximatelyone-quarter turn, until the two sectionsare fully locked. The female locking lugswill not be visible from the outside, onthe Black Pipe or fittings. They may belocated by examining the inside of thefemale ends.With the above options, maximum total pipe length if 37 feet withminimum of 5 feet total vertical and maximum 12 feet total horizontal.Please note minimum 1 foot between 90o elbows is required.