Square D
Furnace

Model # W1 Official Square D electric in-the-wall heater

Here are the diagrams and repair parts for Official Square D W1 electric in-the-wall heater, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 11 parts  |

Limit Control 42511-007-01
#4

Unit parts diagram

Limit control

Part #42511-007-01

The manufacturer no longer makes this part, and there's no substitute part

Fan Blade 63602-119-01
#1

Unit parts diagram

Fan blade

Part #63602-119-01

The manufacturer no longer makes this part, and there's no substitute part

Owner's Manual 42505-055-02

#NI

All parts diagram

Owner's manual

Part #42505-055-02

The manufacturer no longer makes this part, and there's no substitute part

Thermostat Knob 63602-094-01
#2

Unit parts diagram

Thermostat knob

Part #63602-094-01

The manufacturer no longer makes this part, and there's no substitute part

Screw 21535-08320
#9

Unit parts diagram

Screw

Part #21535-08320

The manufacturer no longer makes this part, and there's no substitute part

Back Can Assembly 63602-110-50
#6

Unit parts diagram

Back can assembly

Part #63602-110-50

The manufacturer no longer makes this part, and there's no substitute part

Fan Motor 63602-103-02
#8

Unit parts diagram

Fan motor

Part #63602-103-02

The manufacturer no longer makes this part, and there's no substitute part

Element 63602-054-04
#5A

Unit parts diagram

Element

Part #63602-054-04

The manufacturer no longer makes this part, and there's no substitute part

Element 63602-054-03
#5

Unit parts diagram

Element

Part #63602-054-03

The manufacturer no longer makes this part, and there's no substitute part

Thermostat 42511-002-01
#3

Unit parts diagram

Thermostat

Part #42511-002-01

The manufacturer no longer makes this part, and there's no substitute part

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