Spare Parts for Fired Heaters

Rapid Turnaround • Reliable Components • Expert Support

At Furnace Improvements, we don’t just build world-class fired heaters — we ensure they keep performing at their best throughout their lifecycle. Our dedicated Spares Supply Division supports clients across refineries, petrochemical plants, and process industries with timely, cost-effective delivery of critical spares, ensuring your operations remain uninterrupted.

  • Custom and OEM-equivalent components

  • Engineering-backed selection and fit checks

  • Fast-track delivery and export packaging

  • Support for commissioning, turnarounds, shutdowns, and revamps

Replacement Components

Access and Observation

Tubes and Tube Support Systems

  • Intermediate and support tube sheets

  • Horizontal tube supports

  • Vertical tube supports

  • Standard, finned, and studded tubes

Burners and Burner Parts

  • Burners (gas, oil, dual fuel)

  • Pilot assemblies

  • Fuel nozzles and mixing tips

  • Gas trains and fuel skid accessories

  • Plenums and air registers

Convection Section Equipment

Instrumentation & Electrical

  • Thermocouples, RTDs, and Thermowells

  • Pressure & Temperature Gauges

  • Pressure/temperature transmitters

  • Local Control Panels

  • Junction Boxes and Wiring Harnesses

  • Flame scanners and burner management system (BMS) spares

Refractory & Insulation

  • Firebricks, Castable, Ceramic Fiber Modules

  • Anchor Systems

  • Blanket, Board & Coating Materials

Other Systems

  • Air pre-heaters (APH)

  • ID/FD fans

  • Dampers

What Sets Our Spare Parts Service Apart?

  1. Speed & Value – We know that downtime is costly. Our team prioritizes fast delivery and competitive pricing to keep your operation running.

  2. Technical Accuracy – Every spare part is validated against the original heater specs and applicable codes.

  3. Traceable Quality – Delivered with full documentation: MTCs, inspection reports, and code compliance.

  4. Reverse Engineering Support – We recreate obsolete or undocumented parts via drawing, metallurgical, and dimensional analysis.

  5. Dedicated Spare Parts Team – Our in-house team coordinates sourcing, inspection, and logistics—so you get the right parts, right on time.

Please contact us to learn more about replacement parts or to request a quote