Noritz ecoTOUGH NRC71 OD Installation Manual page 25

Condensing tankless gas water heater
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14.
Dimensions
4-φ0.5" (φ13mm)
2-0.3"×0.5" (6.5×13mm) OBLONG HOLE
4.7" (120mm)
3.3" (85mm)
2.0" (50mm)
2.4" (60mm)
3.5" (90mm)
4.7" (120mm)
3-0.3"×0.6" (6.5×16.5mm) OBLONG HOLE
4-φ0.5" (φ13mm)
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
CONDENSATE DRAIN
HOT WATER OUTLET
COLD WATER INLET
GAS INLET
0.4" (10mm)
0.4" (10mm)
NRC711-OD
NRC661A-OD
0.8" (20mm)
1.8" (45mm)
2.3" (58mm)
2.0" (50mm)
13.3" (338mm)
6.7" (170mm)
13.8" (350mm)
1.6" (40mm)
13.1" (334mm)
1.1" (27mm)
0.4" (11mm)
AIR INLET
5.2" (133mm)
WATER DRAIN VALVE
HOT WATER OUTLET
WATER DRAIN VALVE
CONDENSATE DRAIN
(VIEW FROM TOP)
8.2" (209mm)
4.1" (103mm)
3.8" (96mm)
1.2" (31mm)
HOT WATER OUTLET(3/4")
COLD WATER INLET(3/4")
< inch (mm) >
8.5" (217mm)
1.1" (28mm)
AIR INLET
DISPLAY WINDOW
COLD WATER INLET
WIRING THROUGHWAY
WIRING THROUGHWAY
(AC120V)
GAS INLET
WATER DRAIN VALVE
(WATER FILTER)
11.7" (297mm)
10.0" (253mm)
CONDENSATE DRAIN(1/2")
GAS INLET(3/4")
WIRING THROUGHWAY
WIRING THROUGHWAY
(AC120V)
25

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