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Group C This instruc onal manual is only intended for use by a qualified service professional or authorized Noritz Service Representa ve. Any unauthorized use of this manual may result in voiding the warranty. Please contact Noritz Technical Support (866-766-7489) for add onal support.
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Damage to the water heater as a result of the items below is not covered by the Noritz America Limited Warranty. • Water in excess of 12 gpg (200mg/L) of hardness. • Poor water quality Note: Water so eners may be regulated by the local water jurisdic on, consult with the manufacturer for code, sizing, and install on guidelines;...
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Flushing Procedure C Gas Supply Valve Turn the power ON/OFF Button "on" on the remote controller, and then set temperature "140° " by pressing the UP Button. (It's for closing the "Water Servo-Bypass".) If your unit is N-132, N-132M, N-1321M or NC380 series, the temperature needs to be set at 145°F by pressing the UP Open the "V2 Valve"...
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13. Clean the water heater with fresh water for 3 minutes or more to rinse the flushing solution. For Condensing units only : Place a bucket under the water heater to drain water from the "Water Drain Valve". Carefully unscrew the "Water Drain Valve" to rinse the flushing solution, and then close it.
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