Thermos 37604 Grill Parts

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Highest quality replacement parts for your Thermos 37604 - Free USA shipping $49 or more* - No Sales Tax*

 

Thermos 37604 owners manual and diagrams
Diagrams & owners manual not available for grill model# 37604. 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 grill parts for Thermos model: 37604
All of the parts we have for Thermos 37604 are shown on this page. If the part you're shopping for isn't included below, you might find it using the category buttons on the right side of the page. For example, if your looking for a Flame Tamer/Heat Plate and there are none here, click the Heat Plate button to see all of the Heat Plates we have for Thermos grills. You will need to know the dimensions of your existing grids to help you find the right part.

To get the correct Thermos 37604 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.
 


37604 Venturis

Single Gasket Kit Economy Burners

Part Number: SHK4
Weight: 0.01

$4.16
 

 





37604 Cooking Grids

Porcelain steel cooking grid for Thermos model 37604. Porcelain enameled, glossy finish. Sold individually.

Part Number: 50101
Dimension Front-to-Back: 12”
Dimension Side-to-Side: 18 1/2”
Material: porcelain steel wire
Weight: 3.9

$28.22
 

 





37604 Rock/Briquette Grates

Rock grate for holding lava rock or ceramic briquettes.

Part Number: BG-1
Dimension Front-to-Back: 11 1/4”
Dimension Side-to-Side: 18 1/4”
Material: carbon steel
Weight: 3.3

$31.63
 

 





37604 Heat Plates

Heat Plate/ Flame Tamer not known for Thermos model 37604. 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
 





37604 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
 

 





37604 Valves, Orifices, and Manifolds

Brass spud orifice with 5/16” x 32 thread size. Has #70 starter hole. Must be drilled to proper drill size.

If you would like us to drill the orifice(s) for you, there is a single $15 fee for this service, which will be added to the order when processed. Please tell us the number of burners in your grill and the total BTUs of your grill (less side burner and rotisserie burner, if any). BTU rating information can usually be found on the grill's CSA certification tag, located somewhere on the grill. Please furnish this, along with any other information you deem relevant, in the Message to CLA box during checkout.

Part Number: 31600
Dimensions: 0 3/8” x 0 7/16”
Material: brass
Weight: 0.01

$7.54
 

Dual brass LP valve assembly. Includes left and right control valves and valve manifold. Fits Arkla up-front control grills and others requiring 45 degree angle valves.
  • For use with LP gas
  • Includes two orifices drilled to #57 drill size
  • Includes pre-assembled 45 degree angle fitting, not shown in photo


Part Number: VLV-28
Material: brass
Weight: 1.1

$58.00
 

 





37604 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
 

Apple wood chips.
  • All natural wood smoke flavor
  • Great for use in BBQ's or smokers.
  • 170 cubic inches (2 lbs. approx) in resealable bag

Try with portk, lamb, poultry, and fish.

Part Number: 00230
Weight: 2.0

$8.47
 

20” Professional Extra Long Tong.
20” Stainless steel tong with red soft grip rubber inserts. Grip your food on the grill with ease. Manual lock saves on storage space.

Part Number: 40269
Material: stainless steel
Weight: 0.14

$21.26
 

Shish-ke-bab set. 6 chrome plated 14” skewers with convenient folding rack; folds out to 10” x 13 3/4”.

Part Number: 41338
Weight: 1.1

$22.60
 

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
 

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
 

Scrub brushes. Plastic grill scrubber. Cleans all types of cooking grids. Plastic grip handle.

Part Number: WB-7
Dimensions: 6” x 3 1/2”
Weight: 0.2

$5.23
 

 



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Thermos grill 37604 - Tuesday, May 12 2026

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*Orders for Thermos grill model 37604 $49 and over ship free to the lower 48 states.
See shipping policy below for more info.


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Build Date: May 12 2026