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Midmark M11 High Quality Guaranteed Replacement Parts

Part #RCB089-822
Midmark Part #002-0375-00
Old Midmark Part #014-0193-00


  • Bronze diaphragm
  • 1/4" compression fittings- both ends
  • Mounts to tubing between temperature gauge and reservoir
  • Activates within 12°F of saturated steam

Fits: Reservoir Tubing
Model This Part Fits: Midmark M11 Autoclaves



Now You Can Upgrade Your Midmark M11 From The Air Vent Bellows Assembly To the Newer Style, Longer Lasting Steam Trap Assembly With This Easy To Install Steam Trap Upgrade Kit Part #MIK078-807




The Bellows Style With It's Extra Convolutions, Is Designed To Last Longer Than The Diaphragm Style


SERVICE TIP: AllClaveParts now offers two different Air Vent Bellows Assemblies: Part #RCB100-823 and RCB089-822. There are two different styles of assemblies: the diaphragm style and the bellows style. Here is the difference:

Currently, the RCB089-1223 and Midmark's are both diaphragm style assemblies. This style has only one convolution doing all the work.

The other style is a bellows assembly, the RCB100-823. This style assembly, offered by AllClaveParts, has several convolutions doing all of the work so it lasts much longer than the diaphragm style. Now you have a choice its the AllClaveParts Advantage!




How To Replace The Midmark M11 Bellows Assembly


Remove The Old Midmark M11 Bellows Assembly



  1. Remove the back panel ( Click Here For Instructions)
  2. Disconnect tube (1) from tee (2)
  3. Pull downward on bellows assembly (3) to remove bellows assembly from condensing tank (4)
  4. Loosen and remove tubes (1 and 5) from bellows assembly (3)

Note: The drawing below shows the old-style bellows. The procedure for the new-style is the same







Midmark M11 Bellows Assembly


Install The New Midmark M11 Bellows Assembly



  1. Connect tubes (1 and 5) to bellows assembly (3)
  2. Position bellows assembly (3) and insert tube (5) into tube hole of condensing tank (4)
  3. Connect tube (1) to tee (2)
  4. Install back panel ( Click Here For Instructions)

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Indianapolis, IN

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