Thermos parts for model 15503QA outdoor gas grill.
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Replacement grill parts for the
Thermos
15503QA


To help insure that you get the correct replacement parts for your Thermos grill, we highly recommend that you measure your original parts and compare them to what we have listed below. This is best done with the parts out of the grill. Verify your model number. The information shown below for the Thermos model 15503QA is the latest we have and believed to be accurate.

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 Our Part# Description Illustration Price 
 
 0-7611-2016-5 BEER-CAN CHICKEN And 74 Other Offbeat Recipes for the Grill. A must for every grill jockey's library, BEER-CAN CHICKEN presents 74 beer-can variations and other recipes for the grill. No matter how crazy the technique, the results are always outstanding.

Dimensions: 4 5/8” x 9 ”
Material: Paperback
Weight: 1.0
 
$12.18

Qty
 



 10802-76102 Stainless steel burner and venturi assembly kit for both natural gas and propane (LP) models. Comes with all necessary gaskets and screws. For Thermos grills. Fits model 15503QA, others.

Dimensions: 19 1/2” x 8”
Material: stainless steel
Weight: 3.5
stainless steel burner assembly for Thermos model 15503QA 
$57.53

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 10802 Stainless steel burner for both natural gas and propane (LP) models. For Thermos grills. Fits model 15503QA, others.
Burner only, no venturi. Please be sure you don't need new venturis. About half the time you will.

Sold individually, number required varies by grill.

Dimensions: 19 1/2” x 8”
Material: stainless steel
Weight: 2.8
stainless steel burner for Thermos model 15503QA 
$43.61

Qty
 



 76102 L-shaped twin venturi. Includes all necessary gaskets and screws/nuts.

Dimensions: 7 5/8” x 2 5/16”
Material: zinc plated steel
Weight: 0.7
 
$15.47

Qty
 



 21002-76112 Cast iron burner and venturi assembly kit for both natural gas and propane (LP) models. Comes with all necessary gaskets and screws. For Thermos grills. Fits model 15503QA, others.

Dimensions: 19 1/2” x 8”
Material: cast iron
Weight: 9.5
cast iron burner assembly for Thermos model 15503QA 
$67.13

Qty
 



 21002 Cast iron burner for both natural gas and propane (LP) models. For Thermos grills. Fits model 15503QA, others.
Burner only, no venturi. Please be sure you don't need new venturis. About half the time you will.

Sold individually, number required varies by grill.

Dimensions: 19 1/2” x 8”
Material: cast iron
Weight: 8.0
cast iron burner for Thermos model 15503QA 
$52.34

Qty
 



 76112 L-shaped venturi pair. Includes all necessary gaskets and screws/nuts.

Dimensions: 7 3/4” x 2 5/16”
Material: zinc plated steel
Weight: 0.7
 
$16.44

Qty
 



 385A0 Valve with 45° angled orifice snout built to accept 5/16-32 threaded spud type orifice (not provided). Mounts to the left side of original up-front control manifold assembly.

Material: brass
Weight: 0.3

Click for photos
 

$24.20

Qty
 



 386A0 Valve with 45° angled orifice snout built to accept 5/16-32 threaded spud type orifice (not provided). Mounts to the right side of original up-front control manifold assembly.

Material: brass
Weight: 0.3

Click for photos
 

$24.20

Qty
 



 40502 Chrome steel cooking grids (set of 2) For Thermos grills. Fits model 15503QA, others.

Dimension Front-to-Back: 15 5/8”
Dimension Side-to-Side: 27”
Material: chrome steel wire
Weight: 4.0
 
$30.55

Qty
 



 54202 Porcelain steel cooking grids (set of 2). Porcelain enameled, glossy finish. For Thermos grills. Fits model 15503QA, others.

Dimension Front-to-Back: 15 5/8”
Dimension Side-to-Side: 27”
Material: porcelain steel wire
Weight: 7.3
 
$56.74

Qty
 



 92901 carbon steel rock grate For Thermos grills. Fits model 15503QA, others.

Dimension Front-to-Back: 13 1/2”
Dimension Side-to-Side: 23 1/8”
Material: steel wire
Weight: 4.0
 
$20.85

Qty
 



 98152 Deluxe stainless steel heat diffusion plate. Sold as (2) piece set For Thermos grills. Fits model 15503QA, others.

Sold individually, number required varies by grill.

Dimension Front-to-Back: 12 1/2”
Dimension Side-to-Side: 23 1/8”
Material: stainless steel
Weight: 1.4
 
$41.66

Qty
 



 31600 Brass spud orifice with 5/16” x 32 thread size. Has #70 starter hole. Must be drilled to proper drill size.

FREE: When purchased with other parts, we will drill this orifice for you free of charge.

Material: brass
Weight: 0.1

Click for photos
 

$2.42

Qty
 



 35940 Manifold for recent Thermos models. Use with valves #385A0 and #386A0.

Material: brass
Weight: 0.2
 
$14.06

Qty
 



 04500 Ceramic electrode with protective sleeve and male spade connector. Use with collector box 04400.

Weight: 0.1

Click for photos
 

$5.77

Qty
 



 03400 20” wire with female spade and round connectors

Weight: 0.1

Click for photos
 

$3.83

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 03500 20” wire with two female spade connectors for side burner igniters.

Weight: 0.1

Click for photos
 

$3.83

Qty
 



 41333 Chick-Can™ roasting rack. Holds holds a can of beer or other liquid to infuse a chicken with delicious flavor while cooking. heavy 304 stainless steel wire with heat resistant welds.

Weight: 0.8
 
$19.35

Qty
 



 00221 Texas hickory flavor wood chunks. 5 lbs.

Weight: 6.3
 
$8.68

Qty
 



 41070 Bag of loose briquette shaped ceramic rocks for even heat distribution. Sufficient quantity for all full sized grills.

Weight: 9.5
 
$19.35

Qty
 



 77380 18” deluxe Long handle grill brush. Plastic with brass bristles and scraper.

Weight: 0.6
 
$12.12

Qty
 



Thermos grill model 15503QA. Some parts not specific to a grill brand or model like regulators, posts, and heat indicators, which are listed in our repair parts section.



BBQ accessories and grilling supplies


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