Utica-Dunkirk PB-011.01 Pilot Assembly

The Utica-Dunkirk PB-011.01 is a high-performance Natural Gas Pilot Assembly designed for technical precision in demanding residential and light commercial hydronic systems. Engineered for seamless integration with Utica and Dunkirk boilers, this assembly provides the critical ignition source required for main burner transition. It operates within a pilot gas inlet pressure range of 2.5 to 5.0 inches water column, delivering a calibrated pilot gas flow rate between 12,000 and 40,000 BTU/hr. This wide range ensures stable combustion and reliable flame rectification across various boiler configurations, including the MGB J Series II.

Constructed with high-heat resistant alloys, the PB-011.01 is built to withstand the constant thermal cycling of a standing pilot or intermittent ignition setup. For field technicians, this replacement pilot assembly simplifies troubleshooting of erratic flame signals and "no-heat" calls. Precise positioning of the pilot burner and thermocouple adapter ensures that milliamp generation is optimized, preventing premature gas valve dropout. Whether you are performing a seasonal tune-up or a critical mid-winter repair, this assembly provides the OEM compatibility and industrial-grade reliability necessary to maintain peak boiler combustion efficiency and system safety.

• OEM Precision: Direct replacement for Utica-Dunkirk PB-011.01, ensuring exact fitment without field modifications.
• Stable Ignition: Maintains a consistent flame pattern to prevent delayed ignition and "flashback" issues.
• Broad Pressure Specs: Handles inlet pressures from 2.5 to 5.0" WC for versatile field applications.
• Combustion Efficiency: Optimized flow rate (up to 40k BTU/hr) supports stable pilot-to-main burner crossover.
• Durable Metallurgy: Engineered to resist carbon bridging and high-temperature oxidation in the burner head.

• Is this assembly compatible with LP (Propane) systems? No, the PB-011.01 is specifically calibrated and orificed for Natural Gas applications only.
• What causes frequent pilot failure in Utica boilers? Common issues include incorrect gas pressure, carbon buildup on the hood, or a faulty thermocouple not reaching the required millivolt threshold.
• Does this include the pilot tubing? This part number typically refers to the assembly; verify existing pilot gas line integrity during installation.

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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.