Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Trillium
Office

Model # 308 Official Trillium telephone

Here are the diagrams and repair parts for Official Trillium 308 telephone, 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 24 parts  |
General Information 91-0187
#18

Replacement parts diagram

General information

Part #91-0187

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

System Manual 91-0134
#20

Replacement parts diagram

System manual

Part #91-0134

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

Handset Hearing Compateble (box Of 10) 90-0171
#9

Telephone assembly diagram

Handset hearing compateble (box of 10)

Part #90-0171

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

Call Announce Unit 90-0107
#16

Telephone assembly diagram

Call announce unit

Part #90-0107

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

Ksu Tone 90-0048
#1

Replacement parts diagram

Ksu tone

Part #90-0048

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

Door Answer Unit 90-0057
#12

Replacement parts diagram

Door answer unit

Part #90-0057

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

Call Announce Unit 91-0184
#22

Replacement parts diagram

Call announce unit

Part #91-0184

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

Set 90-0055
#3

Replacement parts diagram

Set

Part #90-0055

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

Power Fail Transfer Unit 90-0052
#14

Replacement parts diagram

Power fail transfer unit

Part #90-0052

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

Acces Code Label (card Of 16) 90-0132
#6

Telephone assembly diagram

Acces code label (card of 16)

Part #90-0132

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

Effective articles & videos to help repair your office

Office and smart products articles | Sears PartsDirect

View all
How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Read more
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.…

Read more
What does the Amazon Fire Stick Lite do?

What does the Amazon Fire Stick Lite do?

Learn what the Amazon Fire Stick Lite video streaming device does.…

Read more

Parts & More