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Linea Mini: Pressure Stat Replacement
Your machine's pressure stat plays an important role in regulating the temperature and pressure inside the steam boiler — follow these instructions to replace a defective pressure stat with a new one. (Difficulty ☕☕)
Tools Needed:- 17mm crescent wrench
- Adjustable wrench
- PTFE tape aka plumber's tape/Teflon tape
Optional: 17mm jam nut wrench or slim profile wrench
1. Remove the panels.
2. Identify the pressure stat and remove the electrical connections. Take note of which color wire goes where or refer to the image in Step 6 below during reassembly.

3. Use one wrench to firmly hold the pressure stat in place while loosening the brass compression fitting retaining nut with the other wrench. Take care not to bend the copper tube too much.
(If you're having trouble fitting a wrench on the pressure stat, you can grip it firmly with your hand instead. Be careful, as this is more difficult and puts more strain on the copper tubing.)
4. Apply ~3 turns of PTFE tape to the new pressure stat, taking care not to obstruct the brass inlet surface.
5. Hold the new pressure stat steady and level on the end of the compression fitting. Start threading the brass retaining nut by hand, then use your wrench(es) to finish tightening the nut. Take care not to over-tighten.
6. Reattach the electrical connections.