Reznor 110854 Assembly

The Reznor 110854 is a professional-grade pilot assembly spark ignitor designed specifically for liquid propane (LP) gas configurations in industrial and commercial unit heaters. This vertical spark ignition set is a direct replacement component for Reznor HVAC equipment, including the F-series and B-series units like the F100, B25-400, and model UA/XL/XLB 30-105. Built to OEM specifications, the assembly ensures precise flame rectification and consistent burner ignition, which is critical for maintaining high-efficiency combustion and preventing nuisance lockouts on the job site.

The 110854 assembly features a durable 2-1/4" mounting bracket and a 22-1/2" lead wire, providing sufficient reach for standard manifold layouts. As an LP gas pilot ignitor, it comes equipped with the correct orifice (Part #329449-1) for propane applications, ensuring the proper BTUs are delivered to the flame sensor for reliable heat signaling. This genuine Reznor replacement part is engineered to withstand the thermal stress of high-cycle heating environments while maintaining the integrity of the spark gap across the electronic ignition cycle.

• Verified Compatibility: Specifically engineered for Reznor unit heaters using liquid propane, ensuring seamless integration with existing gas valves and control modules.
• Optimized Ignition: High-tension spark lead and precision-machined orifice work together to provide rapid, reliable pilot lighting even in cold-start commercial environments.
• Industrial Durability: Constructed with heavy-duty materials to resist oxidation and carbon buildup on the flame rod, extending the service life between maintenance cycles.
• HVAC Compliance: As an official OEM pilot assembly, it meets the original manufacturer's safety and performance standards for liquid propane ignition systems.

• How do I confirm if this pilot fits my Reznor heater? Check the data plate on your unit. The 110854 is commonly used in Reznor F, FE, B, and BE models ranging from 25 to 400 MBH, but confirm your model suffix indicates LP gas.
• Can I convert this for use with natural gas? No. This assembly is pre-orificed for liquid propane. Using it with natural gas will result in improper combustion and unsafe operating conditions.
• Does this include the flame sensor? Yes, the assembly includes the flame rod and the 21-inch flame sensor lead required for signal feedback to the ignition control board.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.