Noritz NR501-OD Service Manual page 10

<NRC661-DV>
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)
<NRC661-OD>
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)
0.4" (10mm) 6.7" (170mm)
3.5" (90mm)
5.9" (150mm)
1.1" (28mm) φ3.5" (φ89mm)
AIR INLET
0.4" (10mm)
WATER DRAIN VALVE
HOT WATER OUTLET
WATER DRAIN VALVE
CONDENSATE DRAIN
0.4" (10mm) 6.7" (170mm)
1.6" (40mm)
1.1" (27mm)
0.4" (11mm)
AIR INLET
0.4" (10mm) 5.2" (133mm)
WATER DRAIN VALVE
HOT WATER OUTLET
WATER DRAIN VALVE
CONDENSATE DRAIN
< inch (mm) >
13.3" (338mm)
13.8" (350mm)
13.1" (334mm)
4.9" (125mm)
φ3.5" (φ89mm)
FLUE COLLAR
DISPLAY WINDOW
COLD WATER INLET
HOT WATER OUTLET(3/4")
WIRING THROUGHWAY
(AC120V)
GAS INLET
WATER DRAIN VALVE
(WATER FILTER)
13.3" (338mm)
< inch (mm) >
13.8" (350mm)
13.1" (334mm)
8.5" (217mm)
1.1" (28mm)
AIR INLET
DISPLAY WINDOW
HOT WATER OUTLET(3/4")
COLD WATER INLET
WIRING THROUGHWAY
WIRING THROUGHWAY
(AC120V)
GAS INLET
WATER DRAIN VALVE
(WATER FILTER)
10
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
NRC661-DV
0.8" (20mm)
CONDENSATE DRAIN
1.8" (45mm)
HOT WATER OUTLET
2.3" (58mm)
COLD WATER INLET
2.0" (50mm)
GAS INLET
(VIEW FROM TOP)
11.7" (297mm)
10.0" (253mm)
4.1" (103mm)
3.8" (96mm)
1.2" (31mm)
WIRING THROUGHWAY
COLD WATER INLET(3/4")
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
NRC661-OD
CONDENSATE DRAIN 0.8" (20mm)
HOT WATER OUTLET 1.8" (45mm)
COLD WATER INLET 2.3" (58mm)
GAS INLET 2.0" (50mm)
(VIEW FROM TOP)
11.7" (297mm)
10.0" (253mm)
8.2" (209mm)
4.1" (103mm)
3.8" (96mm)
CONDENSATE DRAIN(1/2")
1.2" (31mm)
WIRING THROUGHWAY
COLD WATER INLET(3/4")
WIRING THROUGHWAY
(AC120V)
CONDENSATE DRAIN(1/2")
GAS INLET(1/2")
GAS INLET(1/2")