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**Pellet cookers** - YS480, YS640
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**Pellet Cooker Warranty**
January 9th, 2017, 11:41 am
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  • Joined: April 18th, 2014, 3:12 pm
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I have been using the very first prototype 2 piece diffuser since the beginning of 2013, and have not had an issue.

As always, if something does happen, we are here to help.

Yoder_Herb
February 22nd, 2017, 3:48 pm
* Abilene ** Abilene *
  • Joined: January 18th, 2017, 11:24 am
  • Posts: 7

Hello I am seriously considering making a purchase of the YS640. Is this warping still an issue and does it also occur with the 2 piece diffuser with the access door?

February 23rd, 2017, 9:29 pm
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It really wasn't a widespread issue, and nor is it now. The warping affected a very small number of owners.

Both the new reinforced diffuser and the 2 piece diffuser were tested to the maximum temperature of the cooker(s).

Is this a guarantee that a diffuser will not warp, absolutely not, but, we are here to help to resolve issues should they arise. We are available either via email at customerservice@yodersmokers.com or by phone at 877.409.6337, ext 2.

Yoder_Herb
February 28th, 2017, 11:57 am
* Abilene ** Abilene *
  • Joined: January 18th, 2017, 11:24 am
  • Posts: 7

That's great. Thanks very much

March 3rd, 2017, 5:25 pm
* Kingman ** Kingman *
  • Joined: September 3rd, 2014, 11:04 pm
  • Posts: 422

My old one did never warp nor has my new one with the door. The new door style is awesome for a quick clean out. That said, when I did 9 chickens I did have to clean the pit.

March 8th, 2017, 7:28 pm
* Abilene ** Abilene *
  • Joined: February 9th, 2017, 9:21 pm
  • Posts: 2

My diffuser warped on the 2nd cook after I just bought it. The sad part is its only been up to 275 degress ever.. I only smoke food on my yoder ys640. Sucks for me. Definitely disappointed.

March 8th, 2017, 7:56 pm
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Send an email to customerservice@yodersmokers.com with the serial number, build date, and pictures of the diffuser.

Yoder_Herb
March 13th, 2017, 11:05 am
* Abilene ** Abilene *
  • Joined: February 9th, 2017, 9:21 pm
  • Posts: 2
April 11th, 2017, 12:11 pm
* Abilene ** Abilene *
  • Joined: August 27th, 2016, 10:56 am
  • Posts: 4
  • Location: Atlanta, GA

I've had my YS640 for a year. It came with the reinforced diffuser, it has become warped in the middle left to right, and twisted on one end This prevents the drippings from flowing down to the waste can. Any ideas on how to remedy this issue?

Jack - It's Smokin' in Atlanta
April 11th, 2017, 12:27 pm
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Send pictures, the cooker serial number and your contact information to customerservice@yodersmokers.com

Yoder_Herb
June 4th, 2018, 8:53 pm
* Abilene ** Abilene *
  • Joined: May 31st, 2018, 9:02 pm
  • Posts: 9

I have received a new diffuser to replace my original that warped, the new unused diffuser has a curvature, is this normal?

June 6th, 2018, 11:02 am
* Cheyenne ** Cheyenne *
  • Joined: September 8th, 2014, 2:25 pm
  • Posts: 53

I wonder if a stainless diffuser would be subject to the same warpage issues?

April 29th, 2019, 4:48 pm
* Abilene ** Abilene *
  • Joined: February 25th, 2019, 5:37 pm
  • Posts: 10

I have had my ys640 now for a month and my diffuser is warped. Never had it over 300 for that matter.

July 10th, 2019, 10:41 am
* Abilene ** Abilene *
  • Joined: February 25th, 2019, 5:37 pm
  • Posts: 10

Mine warped fairly early. But still seems to cook great. So whatever, just dealing with it until I purchase my two piece.

July 7th, 2020, 6:12 pm
* Abilene ** Abilene *
  • Joined: July 5th, 2020, 2:40 pm
  • Posts: 3

I’ve got a warped fire box and warped burn grate. Only had the grill for a week. Sitting in the garage now until I hear back on what I’m supposed to do with it.

The slightly warped heat diffuser is the least of my worries.

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