Water heater heating elements
Differences in heating of electric heating water heaters
The design and technological adaptation of heating accessories is the fundamental distinction of electric heating water heaters: The water storage type is suited for centralized water usage in homes; the instantaneous type depends on the highpower rapid heating of the integrated heating module to satisfy immediate needs; the electric-assisted solar water heater is bolstered by auxiliary electric heating tubes to balance the instability of solar energy.
When deciding, you should take into account the family’s water consumption patterns (such as the number of individuals and the timing of water use), local climate (such as winter temperature and daylight duration), and installation circumstances (such circuit load and room size). Prioritize the material of the heating accessories (such as nickelchromium alloy corrosion resistance and copper thermal conductivity), safety design (such as waterelectricity separation and leakage protection), and energy efficiency level (such as level 1 energy efficiency models are more energyefficient).
Household water storage electric water heaters, commercial solar auxiliary heating systems
Industrial boiler circulation heating, water treatment system constant temperature control
Home appliances: water storage electric water heaters, instant water dispensers
Home appliances: storage electric water heaters, instant electric water heaters
igh efficiency electric heating rod with two heating tubes for quick heat transfer and excellent energy economy
water storage electric water heaters, instant water dispensers, solar auxiliary heating modules
The immersion heating element is designed for chemical plants, food processing equipment
Household water storage electric water heater, commercial solar auxiliary heating system, hotel/hospital central hot water boiler
Household water storage electric water heaters, commercial solar auxiliary heating systems, hotel/hospital central hot water boilers, hot spring/swimming pool circulation heating modules,
The immersed heating element is designed for water storage, instant and solar-assisted water heaters. It adopts food-grade 316L stainless steel + nano-ceramic composite insulation structure
Designed for both residential and business water heaters, the Electric Water Heater Heating Tube is a high-efficiency electric heating component. With a surface nano-ceramic coating，
The immersion heating element designed for water storage, instant and solar-assisted water heaters adopts food-grade 316L stainless steel + nano-ceramic composite insulation structure
Electric water heater heating elements
The core heating accessory of the storage-type electric water heater is the built-in electric heating tube (also known as the heating rod), which is composed of a resistance wire (nickel-chromium alloy), an insulating layer (magnesium oxide powder) and a metal shell (stainless steel or copper). Its working principle is: the current passes through the resistance wire to generate Joule heat, which is transmitted to the shell through the insulating layer to directly heat the water in the water tank.
Key features:
Common power is 1500-3000W, the higher the power, the faster the heating; the stainless steel shell has strong corrosion resistance, and the copper shell conducts heat faster but the cost is high; after long-term use, the inner wall of the water tank is prone to scale and needs to be cleaned regularly; the water tank capacity is 40-80L, which is suitable for continuous water use by multiple people in the family, but it needs to be preheated in advance and occupies a large space (diameter 50-70cm).
Solar water heater heating elements
Electric-assisted solar water heaters are mainly solar energy collectors, supplemented by electric heating. Its core heating accessories are auxiliary electric heating tubes (built-in water storage tanks), usually nickel-chromium alloy heating rods, with a power of 1500-3000W (similar to water storage type).
Working logic:
On sunny days, the solar collector absorbs heat through vacuum tubes/flat plates to heat the water tank; on rainy days or in winter when the water temperature is insufficient, the electric heating tube starts and heats to the set temperature through electric energy.
High-efficiency electric heating element meant to complement solar water heating systems guarantees consistent hot water supply even under low sunlight or overcast conditions.
Household water storage electric water heater, commercial solar auxiliary heating system, hotel/hospital central hot water boiler, hot spring/swimming pool circulation heating module
The threaded heating tube adopts a stainless steel (304/316L) tube body and a nickel-chromium alloy resistance wire combination process, with multi-layer insulation protection on the surface,
Home appliances: storage electric water heaters, instant electric water heaters, solar-assisted constant temperature systems, built-in dishwashers.
Electric kettle, health kettle, instant under-counter water boiler, commercial electric tea stove, hotel commercial water boiling equipment, capsule coffee machine boiler, fully automatic coffee machine hot water module
Home appliances: water storage electric water heaters, instant water dispensers, solar auxiliary heating modules, embedded coffee machines.Industrial equipment: commercial boiler circulation systems, swimming pool thermostats
Household/commercial hot tubs, spa constant temperature systems, hotel pool heating modules, hot spring equipment, medical spa heating components, laboratory constant temperature circulation systems, ship deck hot water units
The multi-rod bundle heating element designed for industrial heat treatment furnaces, continuous drying equipment and regional heating systems adopts nickel-chromium alloy (NiCr) + ceramic fiber insulation structure
Instant electric water heater heating elements
The core of the instant electric water heater is the integrated heating module (heating body), which is composed of a high-power heating tube (nickel-chromium alloy or copper tube), a fin/flow channel structure and a temperature control system, which heats the water flowing through it in a short time with high power.
Technical highlights:
Power 6000-12000W (far exceeding the water storage type), it is necessary to match independent wires of more than 4 square millimeters and leakage protection devices to ensure electricity safety; the heating tube is physically isolated from the water flow channel (such as the insulation layer of the copper tube jacket) to avoid the risk of leakage; the built-in temperature sensor and electronic temperature control chip can adjust the heating power in real time (such as automatically reducing the power when the water temperature is too high) to prevent dry burning or scalding;
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