Regency PG121/PG131 Zero Clearance Room Sealed Gas Fireplace 15INSTALLATIONFLUEING ARRANGEMENTS - HORIZONTAL TERMINATIONSSIMPSON DURA-VENT DIRECT VENT GS SYSTEMThe diagram below shows examples of horizontal termination arrangements using one, two, or three 90 o elbows (two 45 o elbows equal one 90 o elbow).Note:1) A maximum of three 90 o elbows are permitted.2) Minimum distance between elbows is 1 ft. (305mm).• Maintain clearances to combustibles.• Horizontal fl ue must be supported every 3 feet.• Firestops are required at each floor level and whenever passing through a wall.• Must use optional flue adapter (Part# 510-994) when using Simpson Dura-Vent pipe.• A vent guard should be used whenever the termination is lower than the specifi ed minimum or as per local codes.Simpson Dura-Vent4" inner diameter6-5/8" outer diameterStraight Out Horizontal Flueing Horizontal Flueing with One (1) 90o ElbowOption V HA) 1' (305mm) Minimum 3' (914mm) MaximumB) 2' (610mm) Minimum 6' (1.86m) MaximumC) 3' (914mm) Minimum 9' (2.7m) MaximumD) 4' (1.22m) Minimum 12' (3.6m) MaximumE) 5' (1.5m) Minimum 15' (4.5m) MaximumF) 6' (1.86m) Minimum 17' (5.1m) MaximumDiagram 1Diagram 2With the above options, maximum total pipe length if 37 feet withminimum of 6 feet total vertical and maximum 17 feet total horizontal.Please note minimum 1 foot between 90o elbows is required.Please note the minimum centerline forbasic install shown above.