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Profitec Pro 400: Replacing the Safety Valve

Imported from HubSpot KB export -- 2026-08-14

Z
Written by Zac P

Tools Needed:
- 20mm crescent wrench
OR
- 20mm deep socket and socket wrench
- PTFE tape (aka Teflon tape aka plumber's tape)
- Replacement safety valve

NOTE: The machine should be unplugged and cool to the touch before you begin.

1. Start by removing the top panel from the machine.

2. Identify the safety valve.

Pro400_safety_valve_1



3. Using the crescent wrench or socket wrench, unscrew the safety valve from the top of the boiler.

Pro400_safety_valve_3


Pro400_safety_valve_4



4. Clean any debris from the original thread sealant off of the boiler.

Pro400_safety_valve_5



5. Wrap the threads on the new safety valve in PTFE tape.

Pro400_safety_valve_6



6. Screw the new safety valve into the top of the boiler.

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