Chromalox NWH-1810015 Installation, Operation And Renewal Parts Identification - Page 3

Browse online or download pdf Installation, Operation And Renewal Parts Identification for Water Heater Chromalox NWH-1810015. Chromalox NWH-1810015 4 pages. Circulation heater for water heating

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1. WARNING: Hazard of Shock. Disconnect
all power before servicing heater.
2. Remove heating element assembly periodically to check
heater sheath for scaling, corrosion or excessive oxidation.
Correct operating conditions to minimize sheath deterioration.
3. Periodically check temperature control and limit control oper-
ation to insure accurate and safe process operation.
Model
Volts
NWH-185015
240
NWH-185015
480
NWH-187515
240
NWH-187515
480
NWH-1810015
240
NWH-1810015
480
NWH-1812515
240
NWH-1812515
480
NWH-1815015
240
NWH-1815015
480
NWH-1817515
240
NWH-1817515
480
NWH-1820015
240
NWH-1820015
480
Note: When ordering parts for Model Numbers suffixed by "XX" or any other letter or letters not specifi-
cally identified on this instruction sheet, order Renewal Parts on special order basis, giving name of
part, part number, model number and description.
MAINTENANCE
RENEWAL PARTS IDENTIFICATION
Replacement
Element
Phase
kW
Assembly
3
50
155-013185-046
3
50
155-013185-047
3
75
155-013185-049
3
75
155-013185-050
3
100
155-013185-052
3
100
155-013185-053
3
125
155-013185-058
3
125
155-013185-059
3
150
155-013185-061
3
150
155-013185-062
3
175
155-013185-064
3
175
155-013185-065
3
200
155-013185-067
3
200
155-013185-068
4. Check all electrical connections periodically and retighten
connections which may have loosened in service. Replace
wire and wire terminals which show signs of oxidation which
would interfere with establishment of reliable electrical con-
nections.
Parts Common To All Heaters
Flexitallic Gasket . . . . . . . . . . . . . . . . . . . . . . . . . . .132-019779-007
Standard Gasket . . . . . . . . . . . . . . . . . . . . . . . . . . .132-017222-007