Noritz NRC98-OD Installation Manual

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

Contents

17Condensate piping to floor drain Condensate piping with pumpDO NOT ADDANY VALVESNORITZCondensingTankless GasWater HeaterNORITZCondensingTankless GasWater HeaterThe end of the drain pipemust have an air gap.Slope pipe downwards1/4" per foot.1/2" PVC elbow 3/8" ID tubing** Install tubing according to pumpmanufacturer's instructions.Condensate pump1/2" PVC pipeSlope pipe downwards1/4" per foot.1/2" PVC pipeThe end of the drain pipemust have an air gap.Floor drain MAINTAIN CLEARANCEDO NOT ADDANY VALVESNote:If the drain line becomes clogged or frozen, condensate will back-up into the water heater and a "29"error code will ash on the remote controller, ceasing operation. If this occurs, clear the clog or freezeso that condensate can freely ow. Be sure to slope the drain pipe, use the appropriate size pipe, allowthe proper clearances, and apply freeze prevention measures (when necessary) to prevent the drainline from clogging or freezing.