Noritz NRC661-DV, Service Manual, Page: 9 / 78

13.1" (334mm)
13.8" (350mm)
1.7" (42mm)
2.2" (57mm)
20.5" (520mm)
7.0" (178mm)
2.9" (73mm)
AIR INLET
DISPLAY WINDOW
13.3" (338mm)
COLD WATER INLET
HOT WATER OUTLET
WATER DRAIN VALVE
WIRING THROUGHWAY
GAS INLET
(AC120V)
WIRING THROUGHWAY
(WATER FILTER)
WATER DRAIN VALVE
6.7" (170mm)
0.4" (11mm)
0.4" (10mm)
0.4" (10mm)
5.2" (133mm)
1.1" (27mm)
1.6" (40mm)
AIR INLET
2.0" (50mm)
3.3" (85mm)
4.7" (120mm)
0.4" (10mm)
0.4" (10mm)
21.3" (542mm) 19.2" (487mm)
1.2" (31mm)
0.3"×0.6" (3-6.5 16.5mm) OBLONG HOLE
2-0.3"×0.5" (6.5×13mm) OBLONG HOLE
< inch (mm) >
4- φ0.5" (φ13mm)
2.4" (60mm)
3.5" (90mm)
4.7" (120mm)
4- φ0.5" (φ13mm)
1.6" (40mm) 3.2" (80mm)
1.8" (45mm) 3.8" (97mm) 1.6" (40mm)
1.4" (36mm)
5.5" (139mm)
8.2" (208mm)
9.9" (252mm)
11.7" (296mm)
WIRING THROUGHWAY
(AC120V)
WIRING THROUGHWAY
GAS INLET (1/2
"
)
COLD WATER INLET (3/4
"
)
(VIEW FROM TOP)
HOT WATER OUTLET (3/4
"
)
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
(NR501-OD)
HOT WATER OUTLET 1.8" (45mm)
COLD WATER INLET
1.9" (49mm)
GAS INLET
2.0" (50mm)
2. Dimensions
<NR501-OD>
1.5" (37mm)
AIR INLET
DISPLAY WINDOW
COLD WATER INLET
HOT WATER OUTLET
WATER DRAIN VALVE
WIRING THROUGHWAY
GAS INLET
(AC120V)
WIRING THROUGHWAY
(WATER FILTER)
WATER DRAIN VALVE
AIR INLET
13.1" (334mm)
13.8" (350mm)
1.7" (42mm)
2.2" (57mm)
20.5" (520mm)
8.4" (214mm)
13.3" (338mm)
6.7" (170mm)
0.4" (11mm)
0.4" (10mm)
0.4" (10mm) 5.2" (133mm)
1.1" (27mm)
1.6" (40mm)
2.0" (50mm)
3.3" (85mm)
4.7" (120mm)
0.4" (10mm)
0.4" (10mm)
21.3" (542mm) 19.2" (487mm)
1.2" (31mm)
3-0.3"×0.6" (6.5 16.5mm) OBLONG HOLE
2-0.3"×0.5" (6.5×13mm) OBLONG HOLE
< mm (inch) >
4- φ0.5" (φ13mm)
2.4" (60mm)
3.5" (90mm)
4.7" (120mm)
4- φ0.5" (φ13mm)
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
(NR662-OD)
HOT WATER OUTLET 1.8" (45mm)
COLD WATER INLET 1.9" (49mm)
GAS INLET
2.0" (50mm)
1.6" (40mm) 3.2" (80mm)
1.8" (45mm) 3.8" (97mm) 1.6" (40mm)
1.4" (36mm)
5.5" (139mm)
8.2" (208mm)
9.9" (252mm)
11.7" (296mm)
WIRING THROUGHWAY
(AC120V)
WIRING THROUGHWAY
GAS INLET (3/4
"
)
COLD WATER INLET (3/4
"
)
(VIEW FROM TOP)
HOT WATER OUTLET (3/4
"
)
<NR662-OD>
9