Bull BBQ · Installation
How to Install a Bull BBQ Brahma 38-Inch Built-In Grill
The Bull Brahma 38 is the step up from the Angus — five main burners, 90,000 BTU, 962 sq in of cook area. Install mechanics are identical to the Angus, but the larger footprint changes cutout dimensions and gas-line sizing. Plan on 2-3 hours.
By Reed · Updated November 8, 2026
What you need
- Tape measure + 36-inch level
- Phillips + 3/8" nut driver
- Pipe wrench + adjustable wrench
- Teflon tape (yellow, gas-rated)
- Soapy water for leak test
- Insulated jacket (38-inch, for combustible surrounds)
- Safety glasses + work gloves
Brahma 38 Install Specs
- Cutout Width
- 38 1/4" minimum
- Cutout Depth
- 22 1/2" minimum
- Cutout Height
- 10 1/4" minimum
- Total BTU (main + rear IR)
- 90,000
- LP Gas Line
- 3/8" flex, QCC1
- NG Gas Line
- 1/2" rigid to trap
- Cooking Area
- 962 sq in
- Insulated Jacket Required
- Yes, if combustible surround
Brahma Model Codes
- Brahma Built-In NG + IR
57569 / 57559 - Brahma Built-In LP + IR
57568 / 57558 - 38" Insulated Jacket
24105
Step by step
Confirm 38 1/4" W × 22 1/2" D × 10 1/4" H cutout
The Brahma's cutout is 8 inches wider than the Angus. Measure twice — stone fabricators sometimes miss this when shifting from a 30-inch build to a 38-inch build mid-project.
Size the gas line for 90,000 BTU
Brahma main burners pull 75,000 BTU plus 15,000 BTU rear IR. LP needs 3/8-inch flex; NG needs 1/2-inch rigid to the sediment trap, then 1/2-inch flex to the grill. A 3/8-inch NG line will NOT support full output on the Brahma.
Seat the grill with 1/8" per side
Same as Angus — 1/8-inch per side, no caulk. The Brahma weighs ~210 lbs assembled; use two people, and lift from the handle + the base rail, not the control panel.
Hook up gas + leak test
Thread yellow tape on every joint. Wrench-snug. Spray soapy water on every connection. Wait 60 seconds. Any bubbles = redo.
First fire-up — check all 5 burners
Light each burner individually on high. Each should fire within 3 seconds. Close the lid, let it climb to 500°F, drop to 400°F and check that the left-most and right-most burners aren't noticeably weaker than the middle three. If they are, revisit the gas line sizing.
Common mistakes
- Treating the Brahma like a bigger Angus. The cutout AND the gas-line sizing scale up. Reusing a 30-inch build plan with a 38-inch grill means #1 and #5 burners will underperform forever.
- Installing with 2x4 framing against the jacket. Even with a jacket, Bull requires minimum air gaps. Consult the install guide's specific-clearance table before framing a wood surround.
Hands-on tips
- Measure your island before ordering — a 30-inch Angus WILL fit in a 38-inch opening with a filler strip, but the Brahma won't fit in a 30-inch cutout.
- Keep the serial sticker photo with your receipt. Warranty claims always ask for both.
Questions people ask
Can the Brahma replace an Angus in the same island?
Only if the island was built with a 38-inch cutout from the start. Enlarging a 30-inch stone cutout to 38 is a specialty stone-cutting job and often costs more than the grill upgrade saves.
Does the Brahma need a bigger gas meter?
Residential gas meters sized for a standard home (250 cfh+) handle the Brahma fine. Smaller older meters (under 200 cfh) can struggle when the furnace + water heater + grill all demand at once — have your gas utility confirm the meter rating.
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