1. Firerod Compatible Replacement Cartridge Heater (Fast Delivery)
For MRO managers and OEMs facing long lead times or high costs, Hongtai offers a premium Watlow cartridge heater replacement. Our heaters are engineered to be a direct Firerod heater alternative, matching the original specifications in terms of watt density, internal swaged construction, and dimensional tolerance.
We utilize the same “Swaging” process to compact the Magnesium Oxide (MgO) insulation, ensuring our heaters deliver the same high-temperature performance (up to 760°C/1400°F) and long lifespan as the major brands like Watlow or Omega, but at a fraction of the cost and lead time.

2. Key Technical Features
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1:1 Compatibility: Dimensions, wattage, and voltage are identical to standard Omega compatible heater and Watlow models.
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Swaged Construction: Delivers superior heat transfer and vibration resistance compared to standard non-swaged heaters.
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Rapid Delivery: Standard sizes ship in 3-5 days; custom replacements in 7-10 days.
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Material: Incoloy 800 or 316L Stainless Steel sheath options.
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Cost Effective: Reduces maintenance inventory costs by 40-50% without sacrificing quality.
3. Technical Specifications
| Parameter | Hongtai Replacement Spec | Comparable Series |
| Diameter Tolerance | -0.002″ to -0.004″ (Imperial) | Fits Standard Reamed Holes |
| Max Temperature | Up to 760°C (1400°F) | Matches High-Temp Series |
| Watt Density | Up to 100 W/in² | High Watt Density |
| Sheath Material | Incoloy 800 / SS304 | Alloy 800 |
| Lead Protection | Swaged-in Leads / SS Hose | Flexible Leads / Conduit |
| Internal Construction | High Purity MgO (Swaged) | Compacted MgO |
4. Why Switch to Hongtai Replacements?
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Same Performance: We use the same NiCr 80/20 resistance wire and high-purity MgO core. The swaging process ensures the wire is just as close to the sheath for maximum efficiency.
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Emergency Service: When a machine is down, waiting 6 weeks for a brand-name heater is not an option. We can expedite manufacturing to get your line running again in days.
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Customization: Unlike big catalogs that only sell standard part numbers, we can modify the lead length or voltage of any Watlow cartridge heater replacement to fit your specific machine needs.
5. FAQ
Q: Will this fit my existing mold hole?
A: Yes. We grind our heaters to standard industrial tolerances (-0.02mm to -0.06mm). If your hole was drilled for a Firerod, our heater will fit perfectly.
Q: How do I cross-reference the part number?
A: Simply send us the original part number (e.g., from the laser etching on the old heater) or the voltage, wattage, diameter, and length. Our engineers will identify the exact Firerod heater alternative spec.
Q: Is the lifespan comparable?
A: Yes. In head-to-head testing under identical watt densities and operating temperatures, our swaged heaters achieve 95-100% of the lifespan of premium US brands.




