Tankless water heater heating elements

The heating element of the tankless instant water heater adopts die-cast aluminum alloy substrate and thick film resistor technology, integrated PID temperature control module and NTC temperature sensor, achieving 3 seconds fast heating, energy efficiency ≥ 96%, working temperature range 30℃-60℃, supporting power (1500W-6000W) customization, with IPX7 waterproof, anti-dry burning and anti-scale corrosion performance, adapting to high-frequency continuous water discharge requirements, life span of more than 30,000 hours, meeting the efficient and stable heating needs of instant water dispensers/hot water kettles.

Minimum order quantity: 1000
Delivery time: 15-25 days
Factory location: Zhongshan, Guangdong, China

Product Applications:

Household instant water dispensers, commercial large-flow water boilers, hotel commercial electric water heaters, medical equipment distilled water systems, laboratory constant temperature water devices, industrial hot drink machines (capsule coffee machines/tea machines), new energy vehicle on-board hot water systems, commercial water purification equipment (such as Biyuntian/Xiaomi instant hot models), public building fast heating water supply systems.

Tankless Water Heater Heating Element Specifications (Core Parameters)

Parameter Specification Range
Power Range 1500W-5000W
Operating Voltage 220V (single-phase, household standard); 380V (three-phase, commercial optional)
Resistance Value 5Ω-15Ω (single unit or multi-unit combination, matched to power and voltage)
Operating Temperature Surface: 150℃-300℃ (normal); Maximum withstand: 350℃ (short-term overload protection)
Vật liệu Heating element: Nickel-chromium alloy (Cr20Ni80, Φ0.8mm-Φ2.5mm); Housing: 304/316 stainless steel (corrosion-resistant, thickness 1.0mm-2.5mm)
Dimensions Length: 100mm-500mm; Diameter/Thickness: 20mm-80mm (compatible with mainstream tankless water heaters and range hood heating chambers)
Service Life 5000h-12000h (normal use, no dry burning/oil contamination buildup)

Product Characteristics (Core Features)

  • ​Rapid Heating Efficiency​​: High-conductivity nickel-chromium alloy core heats 1L of water from 25℃ to 95℃ (optimal usage temp) in ≤30 seconds for 1500W models.
  • ​Multi-Scene Adaptability​​: Power range (1500W-5000W) suits both household tankless water heaters and commercial high-power demand devices.
  • ​Oil-Resistant Corrosion Protection​​: 304/316 stainless steel housing withstands water, steam, and oil contamination (ideal for range hood environments).
  • ​Precise Temperature Control​​: Precision resistance matching ensures ±5℃ water temperature fluctuation (critical for consistent tankless performance).
  • ​High-Temperature Durability​​: Surface operating temperature (150-300℃) balances rapid heating with element longevity; max withstand 350℃.
  • ​Long Lifespan​​: Optimized heat dissipation reduces element fatigue; lifespan extended to 12000h+ with regular oil contamination cleaning.
  • ​Voltage Flexibility​​: 220V (household) and 380V (commercial) options for global users.
  • ​Compact Installation​​: Lightweight structure (≤1.2kg) fits mainstream tankless heaters and range hood heating slots without modification.

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