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21mm Zinc Alloy Zn-Al-Cd Sacrificial Anode Rod 600mm for Water Heater Odor Control
Product Details:
| Place of Origin: | Hunan, China |
| Brand Name: | HB |
| Certification: | ISO 9001:2015, ASTM B843 |
| Model Number: | HB-ZN21-600 |
Payment & Shipping Terms:
| Minimum Order Quantity: | 10 Pieces |
|---|---|
| Price: | USD 8.00-14.00 / Piece |
| Packaging Details: | HB branded color box with VCI moisture-resistant poly-bag, export-grade corrugated master carton |
| Delivery Time: | 5 working days for stock, 15-25 days for production |
| Payment Terms: | T/T,L/C,PayPal,Western Union |
| Supply Ability: | 50000 Pieces per Month |
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Detail Information |
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| Model: | HB-ZN21-600 | Material: | Zinc Alloy Zn-Al-Cd |
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| Rod Diameter: | Φ21mm | Rod Length: | 600mm |
| Thread Specification: | 3/4" NPT | Rod Type: | Standard Solid |
| Target Application: | Water Heater Odor Control | Core Wire Material: | Galvanized Steel |
| Alloy Standard: | ASTM B418 Type II | Place Of Origin: | Hunan, China |
| Highlight: | Zinc Anode Rod Replacement,21mm Zinc Sacrificial Anode,Zinc Water Heater Anode |
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Product Description
The HB-ZN21-600 Zinc Alloy Zn-Al-Cd standard solid anode rod is engineered for superior cathodic protection in water heater odor control applications. This anode rod provides long-lasting corrosion prevention by sacrificially protecting the tank interior, heating elements, and internal components from galvanic corrosion, extending equipment service life significantly.
- High-purity zinc alloy specifically formulated to neutralize hydrogen sulfide bacteria
- Eliminates rotten egg odor from hot water systems
- Meets ASTM B418 Type II specifications
- Ultra-low iron content (<0.0014%) for clean, odor-free protection
- Current capacity exceeding 780 Ah/kg
| Parameter | Specification |
|---|---|
| Model Number | HB-ZN21-600 |
| Material | Zinc Alloy Zn-Al-Cd |
| Chemical Composition | Zn Bal., Al 0.1-0.5%, Cd 0.025-0.07%, Fe ≤ 0.0014%, Pb ≤ 0.003% |
| Rod Diameter | Φ21mm |
| Rod Length | 600mm |
| Thread Size | 3/4" NPT |
| Core Material | Galvanized Steel Wire |
| Open Circuit Potential | -1.00 to -1.05V (vs. Cu/CuSO4) |
| Current Efficiency | ≥ 95% |
| Current Capacity | ≥ 780 Ah/kg |
| Rod Type | Standard Solid |
| Application | Water Heater Odor Control |
- Residential electric and gas water heaters
- Commercial and industrial hot water storage tanks
- Boiler feed water tanks and condensate return systems
- Heat exchanger and condenser water circuits
- Solar thermal water heating systems
Available under HB Brand in custom color-box packaging or OEM neutral packaging with your logo and specifications. Each rod is individually sealed in moisture-resistant VCI poly-bag to prevent oxidation during storage and transit.
Every HB-ZN21-600 anode rod undergoes spectrographic alloy composition analysis, electrochemical performance testing (ASTM G97), dimensional inspection, thread gauge verification per ANSI/ASME B1.20.1, and visual inspection for surface defects and casting integrity.
HB is a trusted manufacturer based in Hunan, China, specializing in sacrificial anode production for over 15 years. Our vertically integrated facility ensures complete quality control from raw material smelting to finished product packaging. ISO 9001:2015 certified processes and rigorous batch testing guarantee consistent, reliable performance in every anode rod we ship.
