Noritz NRC98-OD Installation Manual page 17
Tankless gas water heater
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Also See for NRC98-OD:
- Installation manual (29 pages) ,
- Field manual (43 pages) ,
- Owner's manual (32 pages)
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Condensate piping to floor drain
NORITZ
Condensing
Tankless Gas
Water Heater
DO NOT ADD
ANY VALVES
1/2" PVC pipe
Slope pipe downwards
1/4" per foot.
Floor drain
Note:
If the drain line becomes clogged or frozen, condensate will back-up into the water heater and a "29"
error code will À ash on the remote controller, ceasing operation. If this occurs, clear the clog or freeze
so that condensate can freely À ow. Be sure to slope the drain pipe, use the appropriate size pipe, allow
the proper clearances, and apply freeze prevention measures (when necessary) to prevent the drain
line from clogging or freezing.
The end of the drain pipe
must have an air gap.
MAINTAIN CLEARANCE
Condensate piping with pump
NORITZ
Condensing
Tankless Gas
Water Heater
DO NOT ADD
ANY VALVES
1/2" PVC pipe
1/2" PVC elbow
Slope pipe downwards
1/4" per foot.
The end of the drain pipe
must have an air gap.
3/8" ID tubing*
Condensate pump
* Install tubing according to pump
manufacturer's instructions.
17
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