The SPX-300 / MLR-850 Through Wall Insulation Kit is a 3-piece insulation system designed to maximize heat retention and efficiency in your Southern Pride commercial smoker. This essential maintenance kit keeps heat where it belongs-inside your cooking chamber-reducing fuel consumption and ensuring consistent temperatures for superior BBQ results.
This insulation kit is specifically compatible with the SPX-300 and MLR-850 smoker models. Replace your insulation when you notice heat loss, uneven cooking temperatures, or visible wear on existing insulation material. Regular maintenance of insulation components helps extend your smoker's lifespan and maintains peak performance.
Installation is straightforward for experienced users, though professional installation is recommended to ensure proper fit and maximum heat efficiency. All necessary components are included in this convenient 3-piece kit.
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.