Thermos 31117S Grill Parts

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Highest quality replacement parts for your Thermos 31117S - Free USA shipping $49 or more* - No Sales Tax*

 

Thermos 31117S owners manual and diagrams
Diagrams & owners manual not available for grill model# 31117S. If you have a manual you're willing to share, please click here to send us an email with the attached manual. Thank You!

 


Replacement gas grill parts for Thermos model: 31117S
All of the parts we have for Thermos 31117S are shown on this page. We might not show the part you need here but we may still have it, or a functional equivalent. In this case, try the category buttons on the right. For example, if your looking for a heat indicator and there are none here, click the heat indicator button to see all we have for Thermos grills. Knowing the dimensions of your existing part will help you find the right part.

To get the correct Thermos 31117S BBQ parts
  • You should measure your existing parts and compare them to what we show here. This is best done with them removed from the grill.
  • Verify your Thermos model number by checking the CSA appliance tag on your grill to make sure you have the correct model number. Do not rely solely on the owners manual as these are frequently mixed up at retail stores when the grills are assembled. You'd be surprised at how many folks have the wrong owners manual.
 


31117S Venturis

Single Gasket Kit Economy Burners

Part Number: SHK4
Weight: 0.01

$4.16
 
Qty
 

Straight adjustable single venturi from 5 1/8” to 7”. Includes all necessary gaskets and screws/nuts.

Part Number: 70301
Material: zinc plated steel
Weight: 0.5

$17.98
 
Qty
 

 





31117S Cooking Grids

Chrome plated cooking grid for Thermos model 31117S. Made in USA.

Part Number: CG-31
Dimension Front-to-Back: 11 1/4”
Dimension Side-to-Side: 19 1/2”
Material: Chrome steel
Weight: 2.1

$31.88
 
Qty
 

 





31117S Rock/Briquette Grates

BG-32
Rock grate for holding lava rock or ceramic briquettes.

Part Number: BG-32
Dimension Front-to-Back: 11”
Dimension Side-to-Side: 17 3/8”
Material: carbon steel
Weight: 3.0

$28.84
 
Qty
 

 





31117S Heat Plates

HP-DUMMY
Heat Plate/ Flame Tamer not known for Thermos model 31117S. Our parts information for this grill model is incomplete, and we really don't know with certainty which heat plate fits this model. It may be that we have the part but don't show it here due to data or other error.

If you know the original OEM part number, try searching for it in the search box at the top of this page.

You can also browse through all of the heat plates we carry for your brand grill. If we don't have the exact fit for your grill, we may have a suitable replacement part. Measure your existing part so you'll know exactly what size is needed.

If you have this grill model and know the number and dimensions of your original heat plates, click here to send an email to our GrillDr that includes this information. We greatly appreciate your help.

Part Number: HP-DUMMY
Weight: 1.0
 





31117S Warming Racks

Universal warming rack. For use on grills with at least 22” inside dimension.

Part Number: AP-6A
Dimensions: 6” x 21 1/2”
Material: Chrome steel
Weight: 1.3

$23.33
 
Qty
 

 





31117S Accessories

Natural lava rock processed and screened for uniformity. 7 lb. bag is enough for all full sized grills. Click the photo to find easy steps for installing lava rocks.

Part Number: 45887
Material: pummise
Weight: 7.0

$24.95
 
Qty
 

Cedar grilling planks adds a delicious wood-smoke flavor to foods grilled on them. Great for salmon! 11 7/8” x 5 1/4” x 5/16” 100% natural cedar. Two planks per pack.

Part Number: 00281
Dimensions: 11 7/8
Weight: .45

$8.61
 
Qty
 

Extra long stainless steel fork with ergonomically correct handles. 20 1/2” long.

Part Number: ITF-2
Dimensions: 20 1/2
Material: stainless steel
Weight: 0.3

$13.80
 
Qty
 

Universal 6 piece chrome plated skewer set. Designed so food does not rotate. Great for kabobs! 19 1/2” long.

Part Number: SR-7B
Dimensions: 19 1/2
Material: chrome steel
Weight: 1.0

$14.27
 
Qty
 

GrillPro EZ Check Gas level indicator. Accurate from -22° to 104°F. Magnetic back. Works on all sizes of tanks.

This tank gauge will monitor your propane level, while you grill, and let's you know when you're running low on gas.

The magnetic tank gauge offers fast, accurate propane level monitoring for any size LP tank. The magnetic backing makes it easy to attach, remove, and reuse across multiple tanks—perfect for grilling, camping, patio heaters, and more

Part Number: 00030
Weight: 0.1


$7.60
 
Qty
 

Beer Can Chicken Roaster. Stainless steel.

Just place any 12 oz can into the center frame and put your spiced chicken cavity over the can and then put on the grill or oven, Infuses with flavors from various beverage in the can, Like Beer, Juice, Wine, etc. Your chicken will impart a different flavor! After use, the racks can be cleaned easily.



Part Number: CCR
Weight: 1.0

$8.64
 
Qty
 

Stainless Steel Scraper for Phoenix and Holland Drip Trays

Part Number: SDDPS
Dimensions: 20
Weight: 0.30

$18.07
 
Qty
 

 



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Thermos model 31117S - Tuesday, Oct 7 2025

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*Orders for Thermos grill model 31117S $49 and over ship free to the lower 48 states.
See shipping policy below for more info.


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Build Date: Oct 7 2025