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BobM 04-21-2012 02:00 AM

Grommet Mod For New ET-732
I got a new Maverick ET-732. I Ordered it from fellow brethren "5-0 BBQ". Good price and it came in 2 days (nice job Steve). I am going to use it on my Weber OTG and WSM. I did not want to run the probe wires through the lid. I took some ideas I've seen here, and on other forums, and came up with a plan.

I cut a 3/4" long piece of 1/4" of electrical running thread (used for lighting fixtures). It's 1/4" ID, and 1/2" OD. I got 2 locknuts and one pipe cap (plumbing) for it.

On my 18/1/2" WSM, I drilled a 1/2" hole, centered between the grate supports, and one inch below the top grate, and mounted the nipple.

The probe wires fit through it great.

If I don't want to use the thermometer, I can put the pipe cap on the outside of the nipple, sealing it.

I did the same thing to my 22 1/2" OTG.

With the probe wires in place, I plan on sealing the nipples with a little piece of aluminum foil.

I tested my new ET-732 on some hot and cold water, and all seems working good. I am going to use my new ET-732, and my new custom grommets, for the first time tomorrow, on a spares cook (barbeque probe only).

It looks good to go!


HogFan 04-21-2012 02:10 AM

Looks like it should work great! Thanks for posting.

NorthwestBBQ 04-21-2012 02:11 AM

Great job, bro! Do you mind sharing your method for drilling the hole?

AustinKnight 04-21-2012 03:22 AM

Nice mod THx for sharing I might just do this to mine to use it more, ya did you tape where you were going to drill? How did you go about getting nice clean holes?

AlanTX 04-21-2012 06:35 AM

I want to know about the doo hicky that you have that holds the pit temp. probe. I just lay mine on the grate, but I like what you have there.

Stoke&Smoke 04-21-2012 06:56 AM


Austin, that clamp comes with the maverick. Some folks use a piece of wood or potato though

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AlanTX 04-21-2012 07:47 AM

I guess I didn't look in my box well enough and it is long gone :(

BobM 04-21-2012 10:20 AM

Yeah, the pit probe clip came with the Maverick.

To make the hole, I put blue tape on the outside and marked out where I wanted the hole. I started with an 1/8" drill bit, then went to a slightly larger size 4 more times, with the last being 1/2" (total of 5 holes). That way no one cut takes off too much material. I then cleaned up the inside of the hole with a small rat tail file. A small step bit would also work well.

I didn't mention this in my original post, but when you make the nipple, make sure you deburr the cut end, especially the inside.


fingerlickin' 04-21-2012 11:01 AM


Originally Posted by Stoke&Smoke (Post 2024216)

Austin, that clamp comes with the maverick. Some folks use a piece of wood or potato though

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a ball of foil is a good one too.

retired trucker 04-21-2012 11:25 AM

Every time I come on here, I stand amazed at the ingenuity of the Brethren on this board.

Whether it be something simple, or something complex, you guys seem to come up with a great idea. My hat is off to you!

msuman 04-21-2012 02:07 PM

Thanks for posting. Ill be doing this when I build my UDS.

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BobM 04-21-2012 08:20 PM

I used my new ET-732 tonight for the first time (pit probe only). It was easier to use a crumpled up piece of aluminum foil to hold the probe then the holder clip that came with it. The unit worked very good.

My idea of using a piece of aluminum foil to seal the grommet worked well.

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