Arizant - Bair Paws Model 875
by Arizant

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Patient Warming Unit 

The Bair Paws warming unit (Model 875) provides the air flow necessary for effective prewarming while maintaining quiet operation. It is lightweight, simple to use, and can be easlily placed on the wall, bedrail, IV pole or table.

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-Stan Skaggs
9 years ago
Here is how to PM these crazy things... FYI (from OEM service manual)

Arizant Bear Paws Service Procedures

PM Process:

  1. Perform electrical safety procedure.
  2. Install temperature test apparatus on end of hose.
  3. Expose test pots by lowering filter shroud.
  4. Replace filter.
  5. Extend hose to full length.
  6. Turn unit on to full value of thermostat control.
  7. Allow 10 minutes to stabilize
  8. Take reading (43.0C +/- 0.5)(if out, see calibration below).
  9. Push over-temp switch to advance temperature uncontrolled.
  10. Alarm lamp should light below 56C (There is no control of this value).

Calibration Process:

  1. Perform PM procedure until step 6 completed.
  2. Using small flat screwdriver, adjust temp reading gradualy through adjust hole under shroud.
  3. When 43.0C is met and stabilized, proceed with over-temp steps 7 & 8 above. 


-Stan Skaggs
9 years ago
Anyone know the PN for the filters on these beastes?

I have been looking for a part number for the air filter for these units with no luck. It is not in the service or operator manual for some strange reason. They are owned by 3M now, and neither set of manuals have this part number.. weird... Thanks if you can help me with a part number.



  • The ability to prewar patients, assisting in the prevention of unintended hypothermia
  • Personalized comfort as patients control the unit’s airflow and temperature (ambient to 43 degrees C)
  • Easy “snap-fit” flexibility in mounting the unit on the wall, a bedrail or an IV pole; the unit can also be placed on a flat surface
  • Convenient, built-in hose storage
  • Small, lightweight design


Height11 in
Length 2.5 in
Weight6.3 lbs
Width7.7 in

Additional Specifications

  • Operating Temperatures: User adjustable from ambient to 43° +- 3° C
  • Filter: Dust.
  • Weight: 7 lb (3.2 kg).
  • Dimensions: 13" (H) x 7.7" (W) x 4" (D) (33 cm x 19.6 cm x 10.2 cm).
  • Device Rating: 110 - 120 V, 50/60 Hz, 4.6 A.

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