Comprehensive Guide to Dishwasher Heating Elements: Materials, Performance & Selection

1. Product Overview
The dishwasher heating element is a core component responsible for:
✓ Rapidly heating water to 60-80°C
✓ Providing hot air for drying
✓ Maintaining stable washing temperatures
2. Technical Specifications
Parameter
Standard
Premium Models
Material
304 Stainless Steel
316L Medical-Grade SS
Power
1500-2500W
Energy-saving VFD Design
Lifespan
5-8 years
10-Year Warranty
Certifications
CE/ROHS
LFGB+UL Dual Certified
3. Main Types Comparison
1. Stainless Steel Heating Elements
• Advantages: Superior corrosion resistance / 92% thermal efficiency
• Best for: Hard water areas (anti-scale surface treatment)
2. Ceramic Heating Elements
• Advantages: instant heating / Aesthetic appearance
• Note: Requires water softener system
3. Composite Heating Elements
• Innovation: SS base + nano-ceramic coating
• Performance: Balanced heating speed & durability
4. Key Selection Criteria
1. Compatibility
• Voltage matching (220V/110V)
• Installation dimensions (±0.5mm tolerance)
• Connection type (Tab-terminal/Wire-lead)
2. Energy Efficiency
• Heating time to 70°C (Premium: ≤3 mins)
• Standby consumption (<5W)
3. Safety Features
• Dual thermal protection (90°C fuse + 105°C auto-cutoff)
• IPX4 waterproof rating
5. Troubleshooting Guide
Q1 Heavy scaling?
→ Monthly citric acid cleaning cycle (5% concentration)
Q2 Error Code E05?
→ 80% caused by abnormal resistance (Standard: 18-25Ω)
Q3 Not working after replacement?
→ Check:
① Oxidized power connectors
② Mainboard relay failure
③ Water level sensor abnormality
6. Maintenance Tips
• Quarterly terminal tightness inspection
• Annual insulation resistance test (>100MΩ)
• Avoid chlorine-based detergents
7. OEM Services
Available:
• Custom wattage (800-3000W)
• Shape customization (Round/Square/Special)
• Certification assistance (CE/UL/ETL)
[Download Heating Element Guide] [Contact Engineers]