Heating & Cooling

Model # TFC-1 Official Monarch furnace thermostat

Here are the diagrams and repair parts for Official Monarch TFC-1 furnace thermostat, as well as links to manuals and error code tables, if available.

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Browse Parts for
TFC-1 Furnace Thermostat
Twist-on Wire Connector 0115017
#18

Control box diagram

Twist-on wire connector

Part #0115017

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

Bracket 2026155
#11

Control box diagram

Bracket

Part #2026155

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

Rivet 0142018
#7

Control box diagram

Rivet

Part #0142018

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

Heyco Bushing 0107332
#21

Control box diagram

Heyco bushing

Part #0107332

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

Plate 0156819
#1

Control box diagram

Plate

Part #0156819

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

Plate, Therm. Warning And Instruc. 0138141
#14

Control box diagram

Plate, therm. warning and instruc.

Part #0138141

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

Lock Nut 0156780
#5

Control box diagram

Lock nut

Part #0156780

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

Nut, Hex - #10-24 0137320
#17

Control box diagram

Nut, hex - #10-24

Part #0137320

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

Transformer 0156816
#16

Control box diagram

Transformer

Part #0156816

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

Motor 0156815
#3

Control box diagram

Motor

Part #0156815

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

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