The SPX-300 Firebox Assembly is an essential replacement part for Southern Pride commercial smokers, engineered to contain and manage heat distribution in your pit. This complete firebox assembly includes both flat and square gaskets, ensuring an airtight seal for optimal smoking performance and fuel efficiency.
Compatible with SPX Series smokers, including the SPX-300 model, this firebox assembly maintains the integrity of your commercial smoking operation. Regular inspection and timely replacement prevent heat loss, uneven cooking temperatures, and potential safety issues.
Replace your firebox assembly when you notice deteriorated gaskets, visible cracks, heat leaks, or after years of heavy commercial use. Installation requires basic mechanical skill and standard tools. For optimal results and warranty compliance, we recommend professional installation by a certified Southern Pride technician, though experienced operators can handle replacement in-house.
Order your SPX-300 Firebox Assembly (SKU 295014) from Southern Pride of Texas today to keep your smoker operating at peak performance.
All in-stock units ship via UPS from Orange, TX. Typical transit time 1–5 business days depending on your location and selected service. Large units (SP-700, SPK-1400, mobile units) may require freight — we will contact you to arrange delivery.
Will Call is also available at our warehouse: 1812 N 16th St, Orange, TX 77630 — Mon–Fri 10am–6pm (closed 1–2pm).
Southern Pride of Texas offers free technical support on all Southern Pride equipment — whether you bought it from us or not. Call us at (409) 886-8626 or visit our Support Center for manuals, service bulletins, and exploded view diagrams.