Shanghai Jastar Industrial Co., Ltd.
Instant · Twin knob 5,500 W 220 V 30 – 55 °C OEM / ODM

5.5 kW Instant Electric Water Heater — Twin Knobs for Power and Temperature

Two knobs instead of one: one sets the power stage, the other the temperature, which is how much of this market expects a water heater to work. LED shows the live outlet temperature. 5.5 kW stainless steel cup element, hot water in about two seconds, held between 30–55 °C.

Model
GB-17
Rated power
5,500 W
Voltage / Frequency
220 V ~ · 50 / 60 Hz
Heating element
Stainless steel cup, 5.5 kW
Hot water in
≈ 2 seconds
Temperature range
30 – 55 °C
Control
Two rotary knobs — power and temperature, LED display
Power cable
≥ 2.5 mm² copper core
Unit size
215 × 72 × 360 mm
Carton
12 pcs · 650 × 380 × 600 mm · 35 kg

MOQ 100 pcs for custom panel colour, pattern and logo · 1,000 pcs for custom packaging. Samples from 1 pc — the sample price is higher than the bulk price, and we refund the difference once you place a bulk order within 30 days of receiving the sample. Prices are quoted per order, EXW Shanghai — tell us your quantity and destination port and we will reply within one working day.

CE RoHS 100% tested before shipment

Why this model

Power and temperature on separate knobs

For markets where users expect to set the power stage themselves.

Separate power and temperature knobs

Separate power and temperature knobs

Users who want to step the power down in summer or on a weak supply get a knob for it, rather than a single combined control.

5.5 kW, two seconds

5.5 kW, two seconds

The stainless steel cup element brings water to temperature in about two seconds and holds it while the shower runs.

Kitchen, bathroom, laundry

Kitchen, bathroom, laundry

One unit covers a shower, a basin, a kitchen sink, a hair salon point or an RV — wherever hot water is drawn in short bursts.

Custom glass panel and logo

Custom glass panel and logo

Panel colour and printed pattern to your artwork, logo on the glass, and packaging printed to match, all from the same production order.

Specifications

Technical data — GB-17

Every unit is pressure-tested and function-tested before packing. Custom panel finish and power connection available for OEM orders.

Electrical & performance
Rated power5,500 W
Rated voltage220 V ~ · 50 / 60 Hz
Heating elementStainless steel cup, 5.5 kW
Heating time≈ 2 seconds
Temperature range30 – 55 °C
ControlTwo rotary knobs — power and temperature · LED temperature display
Front panelTempered glass · custom colour, pattern and logo
Power cable≥ 2.5 mm² copper core
Power connectionPlug standard to order (EU / US / UK / AU / Africa)
ProtectionWater–electricity separation · Over-temperature protection · Dry-heat protection · Leakage protection
Waterproof ratingIPX4
CertificationCE · RoHS
Water, dimensions & packing
Unit size215 × 72 × 360 mm
Inner box370 × 110 × 300 mm
Pcs per carton12 pcs
Carton size650 × 380 × 600 mm
Gross weight35 kg
LoadingLCL and FCL both available

OEM & ODM

Make it your own brand

We build for importers, wholesalers and own-brand retailers — from a panel colour change to a fully customised product and gift box.

Panel colour, pattern & logo

Body colour and front panel in your colour and pattern, with your logo printed or laser-etched. Artwork proof before mass production.

MOQ 100 pcs

Packaging

Custom printed inner box and master carton, colour or gift box, barcode and retail labelling. Export cartons are drop-tested.

MOQ 1,000 pcs

Power connection

Plug standard (EU / US / UK / AU / Africa) and cable length matched to your market. Shower set included or optional as listed above.

No extra MOQ

Documents & certification

CE and RoHS test reports, product photos, specification sheets and packing lists for your own listings and customs clearance.

Ready to share

Samples & price protection

Test one unit before you commit to a container

Every model is available as a sample, and every price step you reach is paid back to you — the sample itself included.

Samples from 1 pc

Order a single unit to test it, open it up and show your own customers. No minimum quantity, any model in the range, shipped with its CE and RoHS test reports.

MOQ 1 pc

The sample price difference comes back

A single unit is charged above the bulk price, because of one-off handling and air freight. Place a bulk order for the same model within 30 days of receiving the sample and we refund the difference.

30-day rebate

Earlier shipments are rebated too

Our four price tiers — 10–99 / 100–999 / 1,000–9,999 / 10,000+ pcs — are counted cumulatively over the 30 days after you receive the goods. Reach a higher tier and we refund the difference on the units you have already shipped.

Cumulative over 30 days

Tell us which model you want to test and we will send the sample invoice the same working day.

Request a quotation for GB-17

Send us your quantity, destination port and power connection requirements — we will come back with prices and lead time within one working day.

Product Catalog 2026

Browse the full range — instant water heaters, hot water taps and bathroom & desk heaters — in one PDF.