Sierra Flame Jasper 3624 Zero Clearance Direct Vent Gas Fireplace | Large Format | Deluxe | NG & LP

Sierra Flame Jasper 3624 — Built-In Zero Clearance Direct Vent Gas Fireplace | Large Format | Deluxe

The Sierra Flame Jasper 3624 is our large-format built-in zero clearance direct vent gas fireplace, with a generous 34-3/4" W x 23-1/2" H viewing area and a realistic 9-piece charred birch log set. A herringbone ceramic brick liner adds depth and texture to the firebox, and the standard black surround frames it with a clean, modern look. Choose natural gas or propane.

The Jasper 3624 comes fully equipped with a protective safety screen and the full Deluxe system, with a built-in fan and remote control for effortless operation.

Features at a Glance

• Large-format flame — 34-3/4" W x 23-1/2" H viewing area
• Zero clearance design — factory-built firebox for framed installations, no masonry chimney required
• Up to 31,000 BTU (natural gas) with a variable-speed fan
• Full Deluxe system with built-in fan and remote control
• Herringbone ceramic brick liner and 9-piece charred birch log set
• 3-piece standard black surround and safety screen included
• 4" x 7" direct vent
• Natural gas or propane

Technical Specifications

Jasper 3624 Owner's Manual (PDF)

Frequently Asked Questions

Is the Jasper 3624 a fireplace insert?
No. It is a zero clearance gas fireplace that is framed into a wall or chimney chase. It is not made to be installed inside a masonry fireplace.

Is a surround included?
Yes. A 3-piece standard black surround and safety screen are included.

Does it come with a remote and fan?
Yes. The Deluxe system includes a built-in fan and remote.

What venting does it use?
4" x 7" direct vent flex pipe. Venting is required for every installation. See the manual and your local building codes.

Is it available in natural gas and propane?
Yes. Select your fuel above.

Is the Jasper 3624 a built-in gas fireplace?
Yes. It is a zero clearance firebox framed into a wall or chimney chase, with a herringbone ceramic brick liner and 9-piece charred birch log set. Follow the owner's manual for framing, clearances and venting.

Warranty Information

Warranty applies to the original purchaser only and is non-transferable. Installation must be performed by a licensed, authorized technician in accordance with the owner's manual and all local codes. See the owner's manual for full terms and exclusions.

Compare more models in our indoor gas fireplaces or read the gas fireplace buying guide.

📞 Questions? Our team is happy to help you choose the right fireplace for your space.
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