Thermos 23900

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Use the dimensions of your old parts, preferably after removal, to compare to what we show below. Comparing dimensions is the best way to insure you get the right parts for your Thermos grill.

Replacement grill parts for the Thermos 23900


 

23900 Burners

Stainless steel burner and venturi assembly kit. Comes with all necessary gaskets and screws.

Part Number: 11602-72401
Dimensions: 15” x 4”
Material: stainless steel
Weight: 4.0
stainless steel burner for Thermos model 23900 

$58.83

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Stainless steel oval burner. Includes special bracket for optional 03900 burner-mounted collector box and electrode with wire. The 03900 electrode & box is a good solution for applications where the original OEM electrode cannot be used.

Part Number: 11602
Dimensions: 15” x 4”
Material: stainless steel
Weight: 1.5

$40.59

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23900 Venturis

Universal stainless venturi flexible and adjustable from 8” to 11” and sold individually. Used to replace venturis for virtually any grill model for which no exact fit venturi is available. Gasket & screws not included, see part numbers 00400 or SHK4.

Part Number: 72401
Dimensions: 7 1/2” x 11”
Material: zinc plated steel
Weight: 0.3

$13.80

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Spider exclusion screens. Installs over venturi air shutters to keep spiders out. Approximately 7/8” in diameter and 1” long.

Part Number: 70002
Dimensions: 1” x 7/8”
Material: stainless steel
Weight: 0.1

$12.82

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two venturi gaskets with screws for Thermos model 23900.

Part Number: 00400
Dimensions: 3 1/16” x 1 1/4”
Weight: 0.05

$4.65

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23900 Cooking Grids

Chrome steel cooking grid. Sold individually.

Part Number: 41301
Dimension Front-to-Back: 14 1/2”
Dimension Side-to-Side: 22”
Material: chrome steel wire
Weight: 3.7

$40.67

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Commercial 304 grade stainless steel cooking grid with 1/4” diameter rods. Sold individually. Made in USA .

Part Number: CG-53SS
Dimension Front-to-Back: 14 3/4”
Dimension Side-to-Side: 21 1/2”
Material: Stainless steel
Weight: 5

$68.90

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Premium quality stainless steel cooking grid. Far superior to the porcelain coated steel grids it replaces.
  • Made in USA
  • 304 commercial grade stainless steel
  • Solid .225 diameter stainless rods
  • Sold individually

NOTE:This single-piece part also replaces some two-piece grid sets.



Part Number: 51402-SS
Dimension Front-to-Back: 14 3/4”
Dimension Side-to-Side: 21 1/2”
Material: Stainless steel
Weight: 5

$68.90

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Premium stainless steel cooking grids. Set of two (2) grids. Far superior to porcelain coated steel grids.

  • Made in USA
  • Commercial grade 304 stainless steel
  • .225” solid stainless rods
  • Sold as a set of two (2) panels

Each panel measures:
  • Front-to-Back: 14 1/2”
  • Side-to-Side: 10 1/2”
Total Side-to-Side: 21”


Part Number: 51702-SS-X2
Dimension Front-to-Back: 14 1/2”
Dimension Side-to-Side: 21”
Material: stainless steel
Weight: 5.6

$85.75

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Premium stainless steel cooking grid. Far superior to porcelain coated steel grids. SOLD INDIVIDUALLY.

  • Made in USA
  • Commercial grade 304 stainless steel
  • .225” solid stainless rods
  • Sold individually



Part Number: 51702-SS
Dimension Front-to-Back: 14 1/2”
Dimension Side-to-Side: 10 1/2”
Material: stainless steel
Weight: 2.8

$46.47

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23900 Rock Grates

Carbon steel rock grate for Thermos model 23900.

Part Number: 90501
Dimensions: 11 1/8” x 17 1/4”
Material: steel wire
Weight: 2.13

$25.30

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23900 Igniter Components

Collector box and electrode assembly. 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 burners with special mounting bracket only. Will NOT fit on cast iron burners.

For more information about ignition systems and components, please see article Ignition 101 in our help center.



Part Number: 03900
Material: ceramic
Weight: 0.2

$10.35

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Ignitor electrode and collector box assembly. Fits all grills equiped with the Charbroil Masterflame and MasterFlame II burner systems, including grill brands Charbroil, Coleman, Kenmore, and Thermos. Fits on our burner part numbers BBC, LBBC, TBBC, and TLBBC.
    Includes:
  • Gas collector box
  • Ceramic electrode and wire
  • Mounting hardware

For more information about ignition systems and components, please see article Ignition 101 in our help center.



Part Number: IG-11B
Weight: 0.3

$9.34

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20” Ignitor adapter wire with female spade connector and male round connector. Used primarily on Ducane models 7100 and 7200 to extend the wire from the 03758 collector box and electrode to the electronic spark generator (igniter).

For more information about ignition systems and components, please see article Ignition 101 in our help center.



Part Number: 03750
Dimensions: 1/16
Weight: 0.05

$5.77

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Universal adapter wire with male round and female spade connectors.

For more information about ignition systems and components, please see article Ignition 101 in our help center.



Part Number: 03751
Weight: 0.05

$3.84

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Collector box. Mounts to the front of burners 14902 or 14701. Use original electrode or electrode 04500.

For more information about ignition systems and components, please see article Ignition 101 in our help center.



Part Number: 04600
Material: stainless steel
Weight: 0.3

 $6.33
  $4.04

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23900 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

$17.36

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23900 Valves, Orifices, and Manifolds

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

Made in USA

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

$42.35

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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

$6.95

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23900 Accessories

Durable 2 5/16” round briquettes
  • Self-cleaning
  • Control flare-ups while holding an even heat pattern.
  • About 53 pieces, covers approximately 275 sq. inches.
  • Fits all gas grills


Part Number: BQ-5
Weight: 7.2

$31.19

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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

$24.48

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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

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BBQ'er choice porcelain grill briquets. The finest available.
  • Self-Cleaning Porcelain Briquettes.
  • Made of fired porcelain for even heat transfer.
  • Virtually indestructible.
  • About 56 pieces covers approximately 310 square inches.
  • Made in USA .
NOTE: MHP model TJK requires two (2) bags.

Part Number: BQ-3A
Weight: 4.2

$42.81

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16” Stainless Steel Tong/Turner Combination. 16” multi-use tool with red soft grip rubber inserts. Can be used as a turner, tong or both. Manual lock saves on storage space.

Part Number: 40240
Material: chrome steel
Weight: 0.9

$16.59

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Marinade Injector.

For injecting flavor and marinades into meat. Disassembles for cleaning. Stainless steel injector tip. Graduated injection chamber.



Part Number: 14950
Material: stailess steel
Weight: 0.5

$14.41

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Cast aluminum griddle

Part Number: 91652
Dimensions: 19 1/2” x 10 3/4”
Material: aluminum
Weight: 3.0
  $27.83

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

Part Number: 00030
Weight: 0.1

$7.60

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Thermos grill model 23900. Some parts not specific to a grill brand or model like regulators, posts,
and heat indicators, which are listed in our repair parts section. 05-May-24



We ship Thermos BBQ parts worldwide

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GRILLING  ACCESSORIES
Briquettes & Lava Rock
Grill Covers
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Basting and Cleaning brushes
Wood Chips and Smoker Trays
Grid Toppers, Griddles & Racks
Fish and burger baskets
Grill and Tank Accessories
Shish-kebab Sets & Skewers
Grilling & outdoor cooking books

Orders for Thermos replacement grill parts of $49 and more get USA shipping (contiguous 48 states only)

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