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Ducane 31732101 Affinity 3100 Natural Gas Grill, Black

by Weber
4.4 out of 5 stars  See all reviews (35 customer reviews)


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  • Ducane Affinity 3100 Natural gas grill is designed to be used by everyone, from the seasoned griller to a first-timer.
  • Capacity is 418-square-inch primary cooking area and 132-square-inch warming rack for 550-square-inch total cooking area
  • Includes 2 heavy-duty front locking casters and 2 back swivel casters; 36,000 BTU-per-hour-input (main) and 12,000 BTU-per-hour-input (side burner)
  • Comes with stainless steel rod cooking grates, enclosed cart, and porcelain-enameled shroud with a thermometer
  • Measures 62-1/2 by 51-1/2 by 28-1/2 inches; includes 3 stainless steel burners

Is this a gift? Please note that this item ships in its own packaging and cannot be gift-wrapped or concealed.


Product Details

  • Item Weight: 158 pounds
  • Shipping Weight: 158 pounds
  • Shipping: Currently, item can be shipped only within the U.S.
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B001I8ZTZY
  • Item model number: 31732101
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (35 customer reviews)
  • Amazon Best Sellers Rank: #72,475 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)

Product Description

Ducane Affinity 3100 Natural Gas Grill In Black - 31732101. 550 Sq. In. Total Cooking Area. 3 Stainless Steel Burners. 36,000 Btu-Per-Hour Input. Porcelain-Enameled Heat Distribution Plates. Electronic Ignition. Built-In Lid Thermometer. Includes A 10-Foot Flexible Hose.

Customer Reviews

It is well made and solid. In The Pines  |  11 reviewers made a similar statement
Easy to put together (took me and bro in law about an hour). R. Balchunas  |  11 reviewers made a similar statement
Most Helpful Customer Reviews
50 of 52 people found the following review helpful
4.0 out of 5 stars Ducane Grill by WEBER May 13, 2010
By Ed
After looking at the desirable but expensive Weber LP Grills and having owned several of the mid-priced "junk" grills that lasted 2 to 4 yrs. I found the Ducane grill. It's made by Weber, has the Weber support and is a quality grill.
The Ducane name has been around for many years and though they had a good reputation they were hard to find. They line is basically limited to 2 products and don't have all kinds of bells and whistles. They just cook well. The 2 units are the 3100 & 4100 series. I purchased the 3100 which met my needs.
The Ducane 3100 equates to the Weber Spirit E-310. Both have approximately the same cooking area & have 3 burners, 36,000 BTU. If you have need of a larger cooking area try the Ducane 4100 with 4 burners, 48,000 BTU.
Both my son & son-in-law have Webers and one of the things I've always disliked about the Webers is that their controls are mounted on the top side of the table area. Why not the front like all others? Their location minimizes the surface area to be able to put down plates or items being used while cooking.
At any rate I bought my Ducane 3100 for $299.00, it was assembled and delivered for $10.00. That's a number I could live with and get a quality product.
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24 of 24 people found the following review helpful
4.0 out of 5 stars solid grill so far May 10, 2010
Amazon Verified Purchase
Got the grill delivered, ordered from Amazon. Free shipping. Came ahead of schedule from the logistics shipper CEVA. Easy to put together (took me and bro in law about an hour). I think the performance will improve over time as it is seasoned a bit.. Tried to do chicken wings for the inaugural bbq and even at the minimum it was cooking too hot which I suppose is to be expected. My bad for going with a slow and low meat first time out... I love that it doesn't have a silly side burner (I find them useless) and you get real, nicely sized, usable working surfaces on both sides of the grill. Wheels and casters are solid. Everything has a nice, well made feel. The stainless steel cooking grates are awesome. The only thing I'm not crazy about is the warming rack which is ceramic coated steel (I think) and seems a bit undersized but not a big deal. Overall this is solid for the price. It appears to me to be of equal quality to the Weber Spirit but you get three burners for the price of two (for the comparably priced units) and unlike the Weber, the control knobs are on the front of the grill instead of being placed right in the middle of the side table work surface which always seemed stupid to me.
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17 of 17 people found the following review helpful
5.0 out of 5 stars Great purchase August 30, 2009
We've owned this for a year now and love it. There is nothing fancy about it but it performs well and holds up. The ignition buttons still work, there's an even flame and there is plenty of room for a family of 4 who likes to entertain. As far as assembly, my mother-in-law put it together while we were at work. She expressed some difficulty but was able to do it herself while watching 2 children at the same time!
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Most Recent Customer Reviews
4.0 out of 5 stars Great grill for my purposes
I don't grill anything fancy, but wanted something to do hamburgers, kebabs, and chicken on my deck, and this works wonderfully. Read more
Published 3 months ago by Jon Brooks
5.0 out of 5 stars Good Grill with Outstanding Customer Service from Weber!
I've had the Affinity 3100 natural gas grill for almost 5 years now. It is priced at or below most inferior department store models and has always been a wonderful grill with... Read more
Published 11 months ago by Marlin McElwain
5.0 out of 5 stars Ducane 3100 Natural gas
I love this grill. No hot spots, nothing cheap about it. Maybe at twice the price the Weber is better. This thing takes about 5 min to reach 500 deg if you want it to. Read more
Published 12 months ago by SteveD
5.0 out of 5 stars Ducanne 31732101 BBQ
We have a much larger BBQ unit which is perfect for large groups, however, for groups of two to six, this unit is perfect. Read more
Published 13 months ago by Paula Pilmanis
5.0 out of 5 stars Good buy
The BBQ arrived on time as promised. It took about 1 1/2 hours to assemble but I took my time. All the pieces were sent and it was easy to assemble. Read more
Published 16 months ago by richard l metzger
5.0 out of 5 stars Great grill
this is a great grill easy construcion when directions are followed and cooks great and evenly, easy to start and clean, very happy and great quality for the price
Published 17 months ago by Baxter
5.0 out of 5 stars Great Value.
Assembled fairly easily and worked perfect on the first try. Can't beat the price for a quality grill. Nice not to have a side burner getting in the way.
Published 18 months ago by Samuel Clemons
5.0 out of 5 stars shipped fast, looks nice
With knobs on front, there is more room for setting plates, etc than our old weber. Not too bad to put together. Have not had a chance to cook, yet. Can't wait!
Published 18 months ago by KC
4.0 out of 5 stars Money well spent at Amazon
Amazon priced it right. Shipped it fast. Box was beat pretty good but packing was adequate--no dents. All parts were there and build was ok. Everything went together as it should. Read more
Published 18 months ago by A. Dickter
5.0 out of 5 stars Perfect grill for our needs
This grill is the perfect size for our needs and it seems just as solidly constructed as the Weber grill it replaced. Read more
Published 18 months ago by Janice Blake
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