Masterbuilt Gravity Series 800 Digital Charcoal Griddle + Grill + Smoker
The gravity smoker that is also a flat-top griddle — An 800 sq in gravity-fed charcoal smoker that ships with a flat-top griddle insert, 225–700°F, with a fan and Wi-Fi controller. Its Amazon base is 3.9★ across 371; the critical reviews are dominated by controllers, fans and limit switches failing.
The listing's size menu spans 2 models: 560, 800 — this page is the 800. Check the size before you add to cart.
Sold and shipped by Amazon · 30-day refund / replacement · read 2026-10-17
Specs
| Model | MB20040221 |
| Type | Gravity-fed charcoal (hopper + fan-controlled firebox) |
| Cooking area | 800 sq in, griddle insert included (Masterbuilt) |
| Temperature range | 225–700°F (Masterbuilt) |
| Hopper | 10 lb lump or 16 lb briquettes (15.9 lb in Masterbuilt's spec table) |
| Burn time claim | "Up to 10 hours" (Masterbuilt) |
| Weight | 204 lb (Amazon detail table) |
| Warranty | 1 year from original retail purchase; rust and paint finish not covered; proof of purchase required (Masterbuilt) |
| Owner rating | 3.9★ / 371 |
Pros
- The only Gravity model that ships with a flat-top griddle insert
- A deep Amazon owner base for the class: 3.9★ across 371
- Sold and shipped by Amazon.com (read 2026-10-17)
Cons
- 8 of the 10 newest written critical Amazon reviews describe the controller, temperature control, fan or a limit switch failing
- No current credentialed hands-on test found (The Barbecue Lab tested an 800 in 2021 and 2022)
- The smaller hopper: 16 lb of briquettes against 18 lb on the 600 and 1150; 17% of its Amazon ratings are one star
Controllers, fans and limit switches. The newest critical reviews describe temperature control and fans failing after a few months, a limit switch, a unit that would not power on, a controller dead at 15 months and one at eight weeks; the oldest repeated complaint is the fan cutting out: "It will only work as stated for the first 20 min".
8 of the 10 newest written critical reviews name the electronics and 4 the support, of 103 written critical reviews on Amazon (2026-10-17) · critical reviews read 2026-10-17
“VERY happy with how this works once I get it up and running. It regulates temperature excellently and gives great-tasting meat. I am concerned, however, about the electronics.”— Mark, Amazon · Verified owner
FAQ
Who is the Masterbuilt Gravity Series 800 Digital Charcoal Griddle + Grill + Smoker for?
You want one charcoal cooker that smokes, grills and griddles, and a deep Amazon owner record matters more to you than a test kitchen's verdict
What do owners say about the Masterbuilt Gravity Series 800 Digital Charcoal Griddle + Grill + Smoker?
3.9★ across 371 owner ratings (Amazon, read 2026-10-17 · global base). What owners complain about: Controllers, fans and limit switches. The newest critical reviews describe temperature control and fans failing after a few months, a limit switch, a unit that would not power on, a controller dead at 15 months and one at eight weeks; the oldest repeated complaint is the fan cutting out: "It will only work as stated for the first 20 min".
Who sells the Masterbuilt Gravity Series 800 Digital Charcoal Griddle + Grill + Smoker on Amazon, and can it be returned?
Sold and shipped by Amazon, when we read the listing on 2026-10-17. Amazon's returns line read: 30-day refund / replacement. Sellers and return terms can change, so check both on the listing before you buy.
What is the warranty on the Masterbuilt Gravity Series 800 Digital Charcoal Griddle + Grill + Smoker?
1 year from original retail purchase; rust and paint finish not covered; proof of purchase required (Masterbuilt)
Does the Masterbuilt Gravity Series 800 Digital Charcoal Griddle + Grill + Smoker warranty still apply if I buy it on Amazon?
Masterbuilt answers that in its own warranty document, which we read on 2026-10-18: Purchasing any Masterbuilt product through an unauthorized dealer voids the warranty. We quote the maker rather than deciding your case — read the document before you buy if the warranty is why you are buying.
Record
- — Added as the griddle pick in the gravity-fed smoker showdown: $889.99 sold by Amazon, 3.9★ across 371 read 2026-10-17 with its critical tail.
Warranty — and what changes if you buy it on Amazon
1 year from original retail purchase; rust and paint finish not covered; proof of purchase required (Masterbuilt) · you are buying this on Amazon
Purchasing any Masterbuilt product through an unauthorized dealer voids the warranty.
Masterbuilt’s own warranty document · read
Read it yourself: Masterbuilt warranty document · we read it . Terms change without announcement, so treat this as a dated snapshot. How warranty works by buy path →
✓ Safety: no active recall — CPSC /Recalls form 2026-10-17, "Masterbuilt" in quotes, control "Weber" first and last: Masterbuilt's recalls are LP gas smokers and electric smokers only; none names a Gravity Series model.
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Data last verified: 2026-10-17. Ratings are real, dated reads — never scraped or invented. Full methodology and monetization disclosure: how we test.