Noritz ecoTOUGH NRC98-DV Installation Manual

Also see for NRC83-DV: Owner's guide Field manual Installation manual

Contents

Noritz ecoTOUGH NRC98-DV Installation Manual Manual pdf 15 page image

15Vertical Vent Termination- PVC/CPVC Materials Only••••••••Horizontal Vent Termination- PVC/CPVC Materials Only••••••••Insert BirdScreen* inEnd of Each90 ElbowHangerStraps**1' mini* Not supplied with water heater,order separately.mum recommended,but not required.3 ft. Min.3 ft. Min.FirestopFirestopFirestop/SupportRoofFlashingRoofFlashingHangerStrap**1'Minimum**1'MinimumSupportSlopeSlope ventUpwardsIntakeExhaustventUpwardsIntake ExhaustInsert Bird Screen*in End of 45 Elbow12" over maximumsnow levelor 24", whicheveris greater.12" over maximumsnow levelor 24", whicheveris greater.Insert BirdScreen* inEnd of90 ElbowStormCollarStormCollarAs illustrated on the left, make sure to keep adistance of 3' (0.9m) or wider between the intake andexhaust when installing the vent piping.The PVT-HL termination may be used in place of elbowsas the horizontal vent terminations. It is not necessary touse bird screens with the PVT-HL termination.Terminate at least 12" (300mm) above grade or abovesnow line.Terminate at least 7' (2.1m) above a public walkway,6' (1.8m) from the combustion air intake of anyappliance, and 3' (0.9m) from any other buildingopening, gas utility meter, service regulator etc.Terminate at least 3' (0.9m) above any forced air inletwithin 10' (3m) , 1' (0.3m) below, 1' (0.3m) horizontallyfrom or 1' (0.3m) above any door, window, or gravityair inlet into any building per National Fuel Gas CodeANSI Z223.1/NFPA 54.Slope the horizontal vent 1/4" upwards for every12" (300mm) toward the termination.Use a condensation drain if necessary.In the Commonwealth of Massachusetts a carbonmonoxide detector is required for all side wallhorizontally vented gas fuel equipment.Please refer to Technical Bulletin TB 010606 forfull installation in structions.As illustrated on the left, make sure to keep a distanceof 3' (0.9m) or wider between the intake and exhaustwhen installing the vent piping.Terminate at least 6' (1.8m) from the combustion airintake of any appliance, and 3' (0.9m) from any otherbuilding opening, gas utility meter, service regulator etc.Enclose exterior vent systems below the roof line to limitcondensation and protect against mechanical failure.When the vent penetrates a floor or ceiling and is notrunning in a fire rated shaft, a firestop and support isrequired.When the vent termination is located not less than8' (2.4m) from a vertical wall or similar obstruction,terminate above the roof at least 2' (0.6m), but notmore than 6' (1.87m), in accordance with the NationalFuel Gas Code ANSI Z223.1/NFPA 54.Provide vertical support every 3' (0.9m) or as requiredby the vent pipe manufacturer's instructions.A short horizontal section is recommended to preventdebris from falling into the water heater.When using a horizontal section, slope the horizontalvent 1/4” upwards for every 12” (300mm) toward thetermination to drain condensate.**1' minimum recommended,but not required.* Not supplied with water heater,order separately.Vent Pipe Installation