Suburban
Wall Heater

Model # GWW-20P-NAT Official Suburban gas-fired top-vent gravity wall furnace

Here are the diagrams and repair parts for Official Suburban GWW-20P-NAT gas-fired top-vent gravity wall furnace, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

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

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 34 parts  |

Thermocouple P042100

#10

All parts diagram

Thermocouple

Part #P042100

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

Motor P320905

#25

All parts diagram

Motor

Part #P320905

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

Fan Blade P320907

#26

All parts diagram

Fan blade

Part #P320907

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

Fan Switch P320911

#29

All parts diagram

Fan switch

Part #P320911

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

Deflector 9A170

#6

All parts diagram

Deflector

Part #9A170

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

Grommet (2 Req.) (blower Kit - 9fg41 Stock No. 1591) P320908

#22

All parts diagram

Grommet (2 req.) (blower kit - 9fg41 stock no. 1591)

Part #P320908

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

Wire Bridle (blower Kit - 9fg41 Stock No. 1591) P320912

#30

All parts diagram

Wire bridle (blower kit - 9fg41 stock no. 1591)

Part #P320912

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

Pilot P179700

#17A

All parts diagram

Pilot

Part #P179700

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

Blower Grille (blower Kit - 9fg41 Stock No. 1591) 9C99

#28

All parts diagram

Blower grille (blower kit - 9fg41 stock no. 1591)

Part #9C99

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

Orifice Fitg P090500

#14

All parts diagram

Orifice fitg

Part #P090500

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