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Pro 800: Vacuum Breaker Service or Replacement

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

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Written by Zac P

Tools needed:
- 2.5 mm Allen key
- 17mm crescent wrench or deep socket
- Pliers

Parts needed:

NOTE: Start with the machine unplugged and cool to the touch.

1. Start by removing the panels from the machine.

2. Locate the vacuum breaker on the boiler.

Pro_800_vaccum_breaker_rebuild_01



3. Using the 17mm crescent wrench, unscrew the cap from the vacuum breaker.

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4. Gently remove the inner components with a pair of pliers.

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5. Disassemble the inner components for inspection. Clean and reassemble the components or replace as necessary.

Pro_800_vaccum_breaker_rebuild_05


Pro_700_vacuum_breaker_09-1



6. Make sure that the components are assembled in the appropriate orientation.

vacuum_breaker_components-2


NOTE: The color of the components may vary, but they all function the same.

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