Blaze
Blaze Insulated Jacket For 25-Inch 3-Burner Gas Grills - BLZ-3-IJ
Blaze Insulated Jacket For 25-Inch 3-Burner Gas Grills - BLZ-3-IJ
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Order before noon Pacific Time for same-day shipping.*
Estimated delivery within the contiguous US: 2–3 business days after shipping.
*Monday–Friday, excluding holidays.
Shipping details
Orders placed before 12:00 p.m. Pacific Time Monday–Friday ship the same day, excluding holidays. Orders placed after the cutoff, on weekends, or on holidays ship the next business day.
Delivery within the contiguous US typically takes 2–3 business days after shipping. Saturdays, Sundays, and holidays do not count toward this estimate.
Orders with a subtotal over $199.99 before tax qualify for free base shipping to US destinations. Orders with a subtotal of $199.99 or less before tax have a $29.99 base shipping charge per order.
Additional shipping charges may apply to Alaska, Hawaii, and US territories. We will notify you of any additional charge on a case-by-case basis before shipping. See our shipping policy for details and delivery estimates for these destinations.
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Description
The Blaze BLZ-3-IJ is the stainless steel insulated jacket Blaze lists for its 25-inch 3-burner Prelude LBM built-in gas grill (BLZ-3LBM). Blaze makes it for installing that grill in a combustible enclosure, such as a wood-framed outdoor kitchen or BBQ island: the jacket sits in the island opening and the grill head drops into it, shielding the surrounding structure from the grill's heat.
The jacket measures 27-1/4" W x 23-1/8" D x 9-5/8" H and needs a cut-out of 25-9/16" W x 22-1/4" D x 9-1/8" H. A self-supporting ledge runs around the sides and back.
The Prelude LBM 25 has been replaced by the Blaze BCM 25-inch 3-burner grill (BLZ-3BCM). Blaze's jacket page names only the Prelude LBM for this jacket, so if you own a BCM 25, ask us to confirm the fit with Blaze before you order. Other sizes use other jackets: the 34-inch Professional LUX 3-burner takes the BLZ-3PRO-IJ and 32-inch Prelude LBM and Premium LTE grills take the BLZ-4-IJ.
Plan before you order: the grill is sold separately, and the jacket does not change the grill's own clearances above, behind or beside it.
Features
- Required for combustible islands: Blaze says a Blaze insulated jacket must be used when the island is not built from non-combustible material.
- Sized for one grill: made for the 25-inch 3-burner Prelude LBM; cut-out 25-9/16" W x 22-1/4" D x 9-1/8" H.
- Stainless steel construction: built for outdoor use and gives the island opening a finished stainless look.
- Self-supporting ledge: runs around the sides and back so the jacket rests on the countertop opening.
- Lifetime warranty: Blaze covers the jacket against defects in manufacturing and workmanship for the original purchaser.
Specifications
| Brand | Blaze |
|---|---|
| Model | BLZ-3-IJ |
| Type | Insulated grill jacket for built-in installation |
| Fits (per Blaze) | Blaze Prelude LBM 25-inch 3-burner built-in gas grill (BLZ-3LBM) |
| Overall width | 27-1/4" |
| Overall depth | 23-1/8" |
| Overall height | 9-5/8" |
| Cut-out width | 25-9/16" |
| Cut-out depth | 22-1/4" |
| Cut-out height | 9-1/8" |
| Cut-out note | 1/4" to 1/2" gap possible below the jacket |
| Material | Stainless steel |
| Construction | Self-supporting ledge around the sides and back |
| Use | Required when the island is built from combustible materials |
| Warranty | Lifetime, defects in manufacturing and workmanship (original purchaser, single-family home use) |
What's included
- Stainless steel insulated jacket for the 3-burner Prelude LBM
Blaze publishes no packing list, hardware count or weight for this jacket. The grill is sold separately.
Sold separately
- Blaze Prelude LBM 25-inch 3-burner built-in grill (BLZ-3LBM): the grill Blaze lists for this jacket.
- Blaze 6 x 14 stainless island vent panel (BLZ-ISLAND-VENT): a stainless cover for the island vents.
- Blaze roll-out trash and propane tank drawer (BLZ-TRLP-DRW-H): the Prelude LBM guide names Blaze's propane tank drawer as an alternative to a plenum wall for a tank inside the island.
- Blaze insulated jacket for the Professional LUX 34-inch 3-burner grill (BLZ-3PRO-IJ): for Blaze's Professional LUX 3-burner instead.
Installation planning
- Cut the island opening to the jacket cut-out: 25-9/16" W x 22-1/4" D x 9-1/8" H. Blaze notes that a 1/4" to 1/2" gap is possible below the insulated jacket, so allow for it when you build the opening.
- Prelude LBM use and care guide (BLZ-3LBM / BLZ-4LBM): keep 14" from combustible construction at the sides and 16" at the back; the 5" needed behind the grill for the lid does not replace the back clearance. Keep at least 6 feet between the grill and any overhead construction.
- Island venting: propane settles low, so place vents low; natural gas rises, so place vents high. A propane cylinder inside the island needs a plenum wall or Blaze's propane tank drawer. Local codes and a licensed professional set the final ventilation.
- Gas: for natural gas, a flex connector of at least 1/2" diameter; propane uses one standard 20 lb cylinder with an overfill prevention device. All gas connections must be made by a qualified installer.
- A licensed professional contractor should install the jacket, and a licensed gas professional should make every gas connection (Blaze insulated jacket installation sheet).
- Blaze does not allow a rubber gas line connected directly to the appliance inside the jacket, even one supplied with it: use a stainless steel flex line. The appliance's fittings may not suit every installation, so different fittings or a pipe extension may be needed to avoid kinks and keep excess line out of the jacket.
- Leak-check every gas connection as the final step and correct any leak before use.
- The jacket protects combustible material from the cooking surface down only. The appliance manual's clearances above, behind and beside the appliance still apply.
Warranty
Blaze states that its insulated jackets are covered by a lifetime warranty against defects in manufacturing and workmanship. The warranty extends to the original purchaser and applies to products bought for ordinary single-family home use. Blaze's product page gives no further conditions or exclusions for the jacket; the grill you set in it carries its own warranty, set out in its manual. Register the product with Blaze after delivery.
Manuals and documents
- Blaze product page: Insulated Jackets for Gas Grills (all sizes)
- Blaze Insulated Jacket Installation sheet (PDF)
- Successor grill: Blaze BCM grill manual, BLZ-3BCM / BLZ-4BCM, 7/16/2025 (PDF)
- Blaze product registration
Legal disclaimers and warnings
Product packaging, owners' manuals, installation instructions, and/or operating instructions may include more information than what is shown on our website. The content on our site is intended to be used for reference purposes only. Please fully read all included manuals and documentation before installing or using this product. WARNING: This product can expose you to chemicals including chromium (hexavalent compounds), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.