Primo 601258-C Temperature Sensor Replacement
Alan Mai and one other contributor
Last updated on Jun 26, 2025
Views: 11K
View statistics:
- Past 24 Hours:
- 24
- Past 7 Days:
- 134
- Past 30 Days:
- 627
- All Time:
- 10,670
Comments: 6
5 comments on steps, 1 guide comment.
Go to guide commentsCompleted: 3 4
3 people have marked this guide "completed." Will you be next?
4 people have marked this guide "completed." Including you — great job!
Favorites: 1 2
1 person has favorited (and subscribed to) this guide. Will you be next?
2 people have favorited (and subscribed to) this guide — including you!
Introduction
Go to step 1 ↓If your Primo water dispenser (model 601258-C) is not dispensing cold water because it is freezing the cold water reservoir, use this guide to replace the temperature sensor.
The temperature sensor helps regulate the cooling system to ensure the water stays at the correct temperature. A faulty sensor may cause excessive cooling, leading to freezing.
Before using this guide, inspect the dispenser’s cooling settings and ensure there are no external factors affecting temperature regulation. If the sensor is indeed the issue, follow the steps carefully to replace it.
Before you begin the repair, completely disconnect the dispenser from its power source.
What you need
Parts
Tools
-
-
-
Remove six 9 mm Phillips screws from the back of the water cooler to detach the back panels.
Ask FixBot
-
-
-
Loosen the two 25 mm Phillips screws securing the radiator, allowing you to remove the backing.
-
-
-
Remove the top of the cooler.
-
Press the tab and unplug the temperature switch from the lid.
-
-
-
Use a wire stripper to strip the wire on both the old and new temperature sensors.
-
-
-
Twist the ends of the wires stripped wires together and wrap them with electrical tape.
-
-
-
-
Insert the newly connected thermal paste-covered sensor into the slot where the old sensor was.
-
Place the old insulation back.
-
-
-
Reattach the backing and secure it with four 9 mm Phillips screws.
-
Tighten the two 25 mm Phillips screws.
-
-
-
Reconnect the temperature control.
-
Secure the top panel with two 9 mm Phillips screws.
-
-
To reassemble your device, follow the instructions in the guide. Take your e-waste to an R2 or e-Stewards certified recycler.
Cancel: I did not complete this guide.
3 other people completed this guide.
Team
CSU Los Angeles, Team 5-69, Harris Spring 2025 Member of CSU Los Angeles, Team 5-69, Harris Spring 2025
CSULA-HARRIS-S25S5G69
1 Member
12 Guides authored
1 Guide Comment
Thank you for the great guide, the replacement thermostat and paste you recommended worked perfect.
