Can’t find your part? Contact us:

+1-309-603-4777

Furnace

Model # FF-45 Official Suburban gas-fired floor furnace

Here are the diagrams and repair parts for Official Suburban FF-45 gas-fired floor 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

ALL PARTS

Showing 10 of 49 parts |

Wire Thermst 230396

45,000 b.t.u. model no. ff-45 diagram

Wire thermst

Part #230396

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

Valve 160715

45,000 b.t.u. model no. ff-45 diagram

Valve

Part #160715

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

Bracket, Draft Diverter Mounting N/P

Bracket, draft diverter mounting

Part #N/P

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

Screw 120700

45,000 b.t.u. model no. ff-45 diagram

Screw

Part #120700

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

Top, Heat Shield Liner 110291

45,000 b.t.u. model no. ff-45 diagram

Top, heat shield liner

Part #110291

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

Nut 120717

Nut

Part #120717

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

Electrode 230764

45,000 b.t.u. model no. ff-45 diagram

Electrode

Part #230764

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

Screw 121459

45,000 b.t.u. model no. ff-45 diagram

Screw

Part #121459

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

Grille Floor 030230

45,000 b.t.u. model no. ff-45 diagram

Grille floor

Part #030230

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

Rtnr Elctrd 062437

45,000 b.t.u. model no. ff-45 diagram

Rtnr elctrd

Part #062437

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

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty

Time required

15 minutes or less

How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty

Time required

60 minutes or less

How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

Repair difficulty

Time required

15 minutes or less

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Stay Connected