Ducane Affinity Series 31732101

52" Freestanding Gas Grill with 550 sq. in. Cooking Area, 3 Stainless Steel Burners, 36,000 Total BTU Output, Porcelain-Enameled Cooking Grates/Heat Distribution Plates, Warming Rack and Electronic Ignition: Natural Gas


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Gas Options
Selected Natural Gas  

Additional Options


Small Drip Pans (10 Per Pack)

(300112) preview
+ $9.00 
All Purpose Accessories
12" Three-Sided Grill Brush 12" Three-Sided Grill Brush $9.00  
21" Three-Sided Grill Brush 21" Three-Sided Grill Brush $9.99  
Cooking Woods
Hickory Wood Chips (3 lb. Bag) Hickory Wood Chips (3 lb. Bag) $9.00  
Hickory Wood Chunks (5 lb. Bag) Hickory Wood Chunks (5 lb. Bag) $9.00  
Mesquite Wood Chunks (5 lb. Bag) Mesquite Wood Chunks (5 lb. Bag) $9.00  
Weber Style Accessories
Stainless Steel Fish Turner Stainless Steel Fish Turner $19.99  
The registered brand of Duncane has started to lead in the area of gas grills in the past 30 years. It is actually a division of Weber-Stephen Products Company, which happens to be an exporter and manufacturer of gas and charcoal grills, their accessories, and many products for the outdoors. The Weber-Stephen company has been in existence since 1893 and has been making the brand Duncane for only 30 years. Palatine, Illinois is where their headquarters are located.

Ducane grills have the same revered qualities of other Weber-Stephen products such as:

Quality Control
Customer Service
Excellent Engineering

Ducane Affinity Series
Designed to satisfy the needs of avid grillers, this exciting lineup of 3 and 4-burner models offer generous primary cooking surfaces and large side tables.
Stainless Steel Burners: 3
BTU-Per-Hour Input: 36,000 BTU
Primary Cooking Area: 418 Sq. In.
Warming Rack Area: 132 Sq. In.
Total Cooking Area: 550 Sq. In.
Cooking Grates: Porcelain-Enameled
Heat Distribution Plates: Porcelain-Enameled
Electronic Ignition: Yes
Scratch Resistant Work Surfaces: 2
Locking Casters: 2
Swivel Casters: 2
Built-In Lid Thermometer: Yes
Limited Warranty: Yes
LP Tank Not: Included
Natural Gas Grill: Includes A 10 Ft. Flexible Hose
Width: 51 1/2"
Depth: 28 1/2"
Height with Lid Open: 62 1/2"
  • Three Stainless Steel Burners
  • 36,000 BTU-Per-Hour Input
  • Primary Cooking Area = 418 Square Inches
  • Warming Rack Area = 132 Square Inches
  • Total Cooking Area = 550 Square Inches
  • Porcelain-Enameled Cooking Grates
  • Porcelain-Enameled Heat Distribution Plates
  • Electronic Ignition
  • Two Scratch Resistant Work Surfaces
  • Two Locking Casters
  • Two Swivel Casters
  • Built-In Lid Thermometer
  • Limited Warranty
  • LP Tank Not Included
  • Natural Gas Grill Includes a 10-foot Flexible Hose
Product Reviews
Rated 4.6 out of 5 by 22 reviewers.
Rated 5 out of 5 by Buy one Great grill in every aspect from buying (great price), to assembly, to cooking at your first BBQ. A success all around! 6/24/09
Rated 5 out of 5 by Ducane Affinity 3100 I am very pleased with the grill. Paid a plumber $300 to install gas line and I never have to replenish propane cylinders. The Ducane is a good value for the money. I expect years of service. Delivery from AJ Madison was quick and with no problems. A competitor had sent another grill that arrived with a rust spot on the grill cover. 6/30/09
Rated 5 out of 5 by Great value easy to put together; no surprises. easy to operate and control heat. metal extensions telegraph some heat from the grill but not a problem. 7/29/09
Rated 5 out of 5 by What a great value This Ducane grill is a great great value. It's just like the Weber's costing 100-200 more but at this price it couldn't be beat. It was easy to put together even for me and I'm not very handy. The only thing I would change would be the frills I would make them a little wider. But It works great, looks great, and the food tastes great! Oh and finally a barbecue where the igniter actually works! 10/27/09
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Quick Specs
Quick Specs


  • Fuel Type : Natural Gas
  • Style : Freestanding
  • Cooking Grates Material : Porcelain
  • Color : Black


  • Width : 51 1/2"
  • Depth : 28 1/2"
  • Height : 62 1/2"


  • Number of Burners : 3
  • Rotisserie : No
  • Electronic Ignition : Yes
  • Smoking Tray : No
  • Casters : Yes
  • Sabbath Mode : No

Burner Output

  • Set 1 QTY : 3
  • Set 1 Output : 12000
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