Replacement grill parts for the
Thermos 15603

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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 15603 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
Click for photos 
$12.18

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 03400 20” wire with female spade connector and round connector for Thermos model 15603.

Weight: 0.1
Click for photos 
$4.36

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 03500 20” wire with two female spade connectors for side burner igniters for Thermos model 15603.

Weight: 0.1
Click for photos 
$4.36

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 03900 Collector box and electrode assembly for Thermos model 15603. Tongue style burner mounted collector box with ceramic electrode, 15” wire, and female round connector. Not designed to mount on original equipment burners. Fits our stainless steel H burners with special mounting bracket only. Will NOT fit on cast iron burners.

Weight: 0.2
Click for photos 
$10.18

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 04500 Ceramic electrode with protective sleeve and male spade connector for Thermos model 15603. Use with collector box 04400.

Weight: 0.1
Click for photos 
$6.30

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 11002 Stainless steel burner for Thermos model 15603. Includes mounting brackets.
Burner only, no venturi. Please be sure you don't need new venturis. About half the time you will.

Dimensions: 19 1/2” x 8”
Material: stainless steel
Weight: 2.8 		stainless steel burner for Thermos model 15603 
$47.97

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 31600 Brass spud orifice with 5/16” x 32 thread size for Thermos model 15603. Has #70 starter hole. Must be drilled to proper drill size.

We will drill this orifice free of charge when purchased with other parts. If you want us to drill the orifice, 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). Please furnish this information in the Message to CLA box during checkout.

Material: brass
Weight: 0.1
Click for photos 
$2.86

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 35940 Manifold for recent Thermos models for Thermos model 15603. Use with valves #385A0 and #386A0.

Material: brass
Weight: 0.2 		 
$14.50

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 21002-76112 Cast iron burner and venturi assembly kit for Thermos model 15603. Comes with all necessary gaskets and screws.

Dimensions: 19 1/2” x 8”
Material: cast iron
Weight: 9.5 		cast iron burner assembly for Thermos model 15603 
$72.44

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 21002 Cast iron burner for Thermos model 15603.
Burner only, no venturi. Please be sure you don't need new venturis. About half the time you will.

Dimensions: 19 1/2” x 8”
Material: cast iron
Weight: 8.0 		cast iron burner for Thermos model 15603 
$57.17

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 76112 L-shaped venturi pair for Thermos model 15603. Includes all necessary gaskets and screws/nuts.

Dimensions: 7 3/4” x 2 5/16”
Material: zinc plated steel
Weight: 0.7 		 
$16.97

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 385A0 Valve with 45° angled orifice snout built to accept 5/16” x 32 threaded spud type orifice (not provided) for some Arkla grills for Thermos model 15603. Mounts to the left side of up-front control manifold assembly part# 39400.

Material: brass
Weight: 0.3
Click for photos 
$24.73

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 386A0 Valve with 45° angled orifice snout built to accept 5/16” x 32 threaded spud type orifice (not provided) for Thermos model 15603. Mounts to the right side of original up-front control manifold assembly.

Material: brass
Weight: 0.3
Click for photos 
$24.73

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 40502 Chrome steel cooking grids (set of 2) for Thermos model 15603.

Dimension Front-to-Back: 15 1/16”
Dimension Side-to-Side: 27”
Material: chrome steel wire
Weight: 4.0 		 
$31.96

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 54202 Porcelain steel cooking grids (set of 2) for Thermos model 15603. Porcelain enameled, glossy finish.

Dimension Front-to-Back: 15 1/16”
Dimension Side-to-Side: 27”
Material: porcelain steel wire
Weight: 7.3 		 
$58.15

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 92901 carbon steel rock grate for Thermos model 15603.

Dimensions: 13 1/2” x 23 1/8”
Material: steel wire
Weight: 4.0 		 
$22.26

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 98152 Pair of deluxe stainless steel heat diffusion plates for Thermos model 15603. Sold as (2) a piece set

Dimensions: 12 1/2” x 23 1/8”
Material: stainless steel
Weight: 2.6 		 
$43.60

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 26028 Non-stick Rib Rack.
  • A convenient way to grill ribs, chops, and poultry
  • 4 sections for meats

    Dimensions: 11 1/2” x 10 x 3”
    Weight: 1.5
    		•  
    $17.94

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     14943 utensil rack. Chrome plated. Hangs on the side of any barbecue.

    Weight: 0.1     		 
    $5.33

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

    Weight: 0.6     		 
    $13.09

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     41338 shish-ke-bab set. 6 chrome plated 14” skewers with convenient folding rack.

    Weight: 1.3     		 
    $16.44

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     45887 7 lb. bag of natural lava rock, processed and screened for uniformity. Loosely placed, covers approximately 300 sq. inches, or an area about 14” x 21”.

    Weight: 7.3     		 
    $13.53

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    Thermos grill model 15603. Some parts not specific to a grill brand or model like regulators, posts, and heat indicators, which are listed in our repair parts section.



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