Puritan Bennett Goodknight 425 Bi-Level Machine

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2 Stars 7 Reviews
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The GoodKnight 425 Bi-Level machine by Puritan Bennett offers patients who require bi-level therapy a compact, quiet choice in treating Obstructive Sleep Apnea or related sleep breathing disorders. As the world's smallest, lightest bi-level machine, the GoodKnight 425 device will not crowd the nightstand and is easy to pack for travel, making complying with prescribed therapy a snap for patients. Its ultra-quiet operation also helps ensure a peaceful sleep for patients and sleeping partners alike.
The Puritan Bennett Goodknight 425 weighs in at only 1.5 lbs, making it an extremely popular choice for individuals who travel.

View Specs

  • Machine TypeBiPAP/BiLevel
  • Brand/Manufacturer:Puritan Bennett
  • Weight:1.65 lb
  • Warranty:2 Year
  • Data Card:No
  • Software Available:Yes
  • Ramp:0-30 Min. (5 Minute Intervals)
  • Exhalation Relief:None
  • Pressure Range:4-25 cm/H2O
  • Altitude Adjustment:Automatic
  • Heated Humidifier:Available
  • Passover Cool Humidifier:Unavailable
  • 110 Voltage:Yes
  • 220 Voltage:Yes
  • Can Use A Battery:Yes
  • Integrated Battery:No
  • Mask Off Alert:No
  • Included In Box:Bi-level machine, AC Power Cord, tubing, disposable filters, instruction manual, and carrying case
  • Product Condition:New
  • HCPCS Reimbursement Code:E0470
  • Prescription Required:Yes

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Product Reviews for the Puritan Bennett Goodknight 425 Bi-Level Machine (Y-GK425-NA)

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Average Rating

by on August 3, 2008

Worst "pap" I've ever had; that's every brand out there in 7years! Upgrading from the Knightstar330 was almost a big mistake. My DME swapped it for my old 330. The 425st Inspiration duration is max. 2seconds. Not nearly a ventilator. The triggers are virtually meaningless. It's too small and light weight, the proverbial tail wagging the dog w/o a humidifier to hold it down. Too many "system resets" as well. The display lists icon's instead of the respiratory acronyms.

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by on July 6, 2008

The machine has too many defects to make it effective. The instructions are complicated and the working of the machine is more complicated then needed. The noise level of the goodnight 425 is too loud and when you inhale there is an extra noise added. To use ear plugs as one technicians suggested is ridiculous. Finally, the machine heating element did not work right as extra hot air blew into my face through the mask and nearly started a fire because the bottom became superhot. I burned my hand picking it up as well in order to prevent a fire. I returned the dud aka goodnight 425 back to national wide medical the machine was a big disappointment. But I understand its track record stinks.

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by on August 3, 2008

Worst pap I've ever owned in 7years. Don't upgrade from the Knightstar 330. The 425 ONLY provides an inspiration duration of 2seconds. Triggers are worthless. Too small and lightweight. System reset after reset.

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by on July 23, 2012

The GoodKnight 425 was the worst experience of my life. They last exactly 25-26 months, the wuaranty is 2 years. I've owned (2) and they both trashed shortly after wuaranty expired. I am now looking the third machine, hopefully one that will exceed their wuaranty. Avoid this one, buyer beware.

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by on March 7, 2014

I have had this machine for 8 years and never had an issue. I use it with the optional humidifier and it is the only humidifier (I have had 3) that actually works and I don't wake up feeling like cardboard mouth.

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by on July 18, 2013

I have purchased it for my mother. costed around 65 thousand Indian rupees. for every two years it gets impaired.. they some valves problem etc.. they charge again 20,000 Rupees..This company is playing with middle class people. This company should be banned in all countries.

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by on September 12, 2009

An excellent machine. It's great for travel. The quietest on the market. Original setup person didn't do it right and I had issues with it. However, once I mastered the setup settings, it worked fine. I won't go without it now.

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