Utica-Dunkirk 33421001 Burner Tube
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Utica-Dunkirk 33421001 Burner Tube

Utica-Dunkirk 33421001 Burner Tube

The Utica-Dunkirk 33421001 Burner Tube is a precise OEM replacement component designed for high-efficiency gas-fired boiler systems. Engineered for durability and thermal stability, this cast iron burner tube features an integrated pilot bracket to ensure consistent flame propagation and reliable ignition across the burner rack. This specific assembly is a critical component for maintaining the correct fuel-to-air ratio, preventing delayed ignition, and mitigating issues related to boiler flame rollout. For HVAC contractors performing Utica boiler repair, this burner tube provides an exact fit for 225 series and other compatible cast iron heat exchangers, ensuring the system operates within manufacturer-specified combustion parameters. Replacing worn or clogged Dunkirk burner assemblies with genuine 33421001 parts restores peak thermal transfer efficiency and reduces carbon monoxide risks associated with uneven combustion. Whether you are troubleshooting a furnace burner replacement or performing routine seasonal maintenance, this burner tube ensures structural integrity under high-heat cycles.

Key Benefits
  • Integrated Pilot Bracket: Ensures precise alignment for the pilot assembly, facilitating reliable ignition and safety circuit continuity.
  • Durable Construction: Built to withstand high-temperature combustion environments without warping or premature oxidation.
  • Optimized Porting: Engineered for uniform gas distribution, resulting in a stable flame pattern and improved heat exchanger residence time.
  • OEM Compatibility: Designed specifically for Utica and Dunkirk boiler chassis, eliminating the need for field modifications or bracket adjustments.
Common Questions

Is the pilot bracket pre-welded to the tube?
Yes, the 33421001 includes a factory-installed pilot bracket to ensure the spark igniter or standing pilot maintains the correct gap and orientation to the burner ports.

Can this burner tube be used for both Natural Gas and Propane applications?
This component is compatible with both fuel types; however, proper manifold pressure and orifice sizing must be verified according to the appliance nameplate during installation.

What causes these burner tubes to fail over time?
Typical failure points include port clogging from debris or heavy oxidation, which can lead to uneven heating and potential stress cracks in the heat exchanger.

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.

$9.81

Original: $28.04

-65%
Utica-Dunkirk 33421001 Burner Tube

$28.04

$9.81

Utica-Dunkirk 33421001 Burner Tube

The Utica-Dunkirk 33421001 Burner Tube is a precise OEM replacement component designed for high-efficiency gas-fired boiler systems. Engineered for durability and thermal stability, this cast iron burner tube features an integrated pilot bracket to ensure consistent flame propagation and reliable ignition across the burner rack. This specific assembly is a critical component for maintaining the correct fuel-to-air ratio, preventing delayed ignition, and mitigating issues related to boiler flame rollout. For HVAC contractors performing Utica boiler repair, this burner tube provides an exact fit for 225 series and other compatible cast iron heat exchangers, ensuring the system operates within manufacturer-specified combustion parameters. Replacing worn or clogged Dunkirk burner assemblies with genuine 33421001 parts restores peak thermal transfer efficiency and reduces carbon monoxide risks associated with uneven combustion. Whether you are troubleshooting a furnace burner replacement or performing routine seasonal maintenance, this burner tube ensures structural integrity under high-heat cycles.

Key Benefits
  • Integrated Pilot Bracket: Ensures precise alignment for the pilot assembly, facilitating reliable ignition and safety circuit continuity.
  • Durable Construction: Built to withstand high-temperature combustion environments without warping or premature oxidation.
  • Optimized Porting: Engineered for uniform gas distribution, resulting in a stable flame pattern and improved heat exchanger residence time.
  • OEM Compatibility: Designed specifically for Utica and Dunkirk boiler chassis, eliminating the need for field modifications or bracket adjustments.
Common Questions

Is the pilot bracket pre-welded to the tube?
Yes, the 33421001 includes a factory-installed pilot bracket to ensure the spark igniter or standing pilot maintains the correct gap and orientation to the burner ports.

Can this burner tube be used for both Natural Gas and Propane applications?
This component is compatible with both fuel types; however, proper manifold pressure and orifice sizing must be verified according to the appliance nameplate during installation.

What causes these burner tubes to fail over time?
Typical failure points include port clogging from debris or heavy oxidation, which can lead to uneven heating and potential stress cracks in the heat exchanger.

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.

Product Information

Shipping & Returns

Description

The Utica-Dunkirk 33421001 Burner Tube is a precise OEM replacement component designed for high-efficiency gas-fired boiler systems. Engineered for durability and thermal stability, this cast iron burner tube features an integrated pilot bracket to ensure consistent flame propagation and reliable ignition across the burner rack. This specific assembly is a critical component for maintaining the correct fuel-to-air ratio, preventing delayed ignition, and mitigating issues related to boiler flame rollout. For HVAC contractors performing Utica boiler repair, this burner tube provides an exact fit for 225 series and other compatible cast iron heat exchangers, ensuring the system operates within manufacturer-specified combustion parameters. Replacing worn or clogged Dunkirk burner assemblies with genuine 33421001 parts restores peak thermal transfer efficiency and reduces carbon monoxide risks associated with uneven combustion. Whether you are troubleshooting a furnace burner replacement or performing routine seasonal maintenance, this burner tube ensures structural integrity under high-heat cycles.

Key Benefits
  • Integrated Pilot Bracket: Ensures precise alignment for the pilot assembly, facilitating reliable ignition and safety circuit continuity.
  • Durable Construction: Built to withstand high-temperature combustion environments without warping or premature oxidation.
  • Optimized Porting: Engineered for uniform gas distribution, resulting in a stable flame pattern and improved heat exchanger residence time.
  • OEM Compatibility: Designed specifically for Utica and Dunkirk boiler chassis, eliminating the need for field modifications or bracket adjustments.
Common Questions

Is the pilot bracket pre-welded to the tube?
Yes, the 33421001 includes a factory-installed pilot bracket to ensure the spark igniter or standing pilot maintains the correct gap and orientation to the burner ports.

Can this burner tube be used for both Natural Gas and Propane applications?
This component is compatible with both fuel types; however, proper manifold pressure and orifice sizing must be verified according to the appliance nameplate during installation.

What causes these burner tubes to fail over time?
Typical failure points include port clogging from debris or heavy oxidation, which can lead to uneven heating and potential stress cracks in the heat exchanger.

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.