Skip to content
Sign in
  • There are no suggestions because the search field is empty.

Pro 800: Vacuum Breaker Service or Replacement

A continuous hissing sound, weak or absent steam/hot water, intermittent pressure-relief sounds that continue long after the machine has reached full temperature — these are all signs that your Pro 800's vacuum breaker may need attention.

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

Parts needed:

Vacuum Breaker Rebuild Kit or Complete Vacuum Breaker

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.
Pro_800_vaccum_breaker_rebuild_02

4. Gently remove the inner components with a pair of pliers.
Pro_800_vaccum_breaker_rebuild_03
Pro_800_vaccum_breaker_rebuild_04

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.