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Q-talk *ON TOPIC ONLY* QUALITY ON TOPIC discussion of Backyard BBQ, grilling, Equipment and just outdoor cookin' in general, hints, tips, tricks & techniques, success, failures... but stay on topic. And watch for that hijacking.


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Unread 03-29-2013, 05:01 PM   #1
Toney Marconi
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Default Plain Old Rubber

Anyone use any just plain old rubber grommets for the probe holes on a mini WSM? I figure I'd give it a try - worst case I'd have a little cleanup to do. Only one low and slow cook so far but they held up just fine. We will see if they melt the first time I do a hot cook.



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Unread 03-29-2013, 05:08 PM   #2
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Some silicone grommets are heat resistant so I'm sure those will work if you can find them.
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Unread 03-29-2013, 05:10 PM   #3
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These were about a buck for the pair at Lowe's. I figured I really had nothing to lose.
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Unread 03-29-2013, 05:12 PM   #4
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If your ribs come out tasting like a burnt flip-flop , you'll have your answer!
Just kidding , I'm sure they'll be ok on low and slow , but like you say , a high heat cook will tell the tale. Good luck!
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Unread 03-29-2013, 05:53 PM   #5
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should be ok. they may get hard after a while but at that price, who cares.
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Unread 03-29-2013, 11:03 PM   #6
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Knowing what elastomers are capable of is my 9-5 job, and I'm a little concerned here.

Plain old rubber is usually good to around 120C (250F). After that it goes hard (and won't soften again). Beyond around 160C (320F) basic or "standard" rubbers like nitrile, epdm, butyl & SBR will begin to de-polymerize, and some will ooze sticky goop everywhere.

Viton will go to a significantly higher temp, but don't be tempted to use it around food or flame - if it catches fire it forms a harmful acid.

As mentioned above, silicone is the best material for the job. It will take far more heat than a BBQ can deliver to it (with the exception of being near the fire basket). Some grades of silicone are even FDA compliant (which would be important if you were serving food commercially).

The majority of silicone grommets on the market are a rust/terracotta colour. Take a look in your local hardware, as you may find they are more readily available than you think.
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Unread 03-30-2013, 08:27 AM   #7
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Thanks. I'll keep an eye out for some silicon replacements.
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Unread 03-30-2013, 08:58 AM   #8
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FWIW, I use plain brass grommets.





After I did this, I realized one hole is sufficient. I understand that's a common mistake.
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Unread 03-30-2013, 09:42 AM   #9
Toney Marconi
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Quote:
Originally Posted by HankB View Post
FWIW, I use plain brass grommets.





After I did this, I realized one hole is sufficient. I understand that's a common mistake.
I looked for those at Lowes but couldn't find any.
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