Shanghai Jastar Industrial Co., Ltd.
Instant · Pump 3,500 / 5,500 W Built-in pump OEM / ODM

5.5 kW Instant Water Heater with Booster Pump — Twin Knob, White, Shower Set Included, 408 × 230 mm

A 5.5 kW instant water heater with a built-in booster pump that keeps the flow strong even on a weak line: hot water in about 2 seconds, constant temperature in 30–55 °C. Rated 3,500 W on 110 V and 5,500 W on 220 V — one body covers both export markets. Choose a stainless steel cup or a cast aluminium heating element when ordering — the same body, two price levels. No plug: it wires straight to the included 40 A leakage protector, and a full shower set comes in the box.

Model
X5-A
Rated power
3,500 / 5,500 W
Rated voltage
110 / 220 V ~ · 50/60 Hz
Heating element
Stainless steel cup or cast aluminium (selectable)
Booster pump
Built-in, keeps flow strong on low pressure
Temperature range
30 – 55 °C, constant temperature
Control
Mechanical knob
Protection
40 A leakage protector included (no plug, direct wiring)
Shower set
Included

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

Strong flow, instant heat, two element options

Five things buyers ask about first — every unit is function-tested on the line before packing.

Built-in booster pump

Built-in booster pump

The pump keeps water pressure strong in apartments with weak lines or long pipe runs — steady flow at every tap.

Two heating elements, one body

Two heating elements, one body

Order the stainless steel cup or the cast aluminium element — same housing, same controls, different price level to fit your market.

Constant 30–55 °C

Constant 30–55 °C

Set the temperature once and it holds — no sudden cold spikes when the shower valve moves.

Shower set in the box

Shower set in the box

Head, riser rail and hose ship together with the unit, ready to install on a 2.5 mm² copper line.

Specifications

Technical data — X5-A

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

Electrical & performance
ModelX5-A
Product typeInstant electric tankless water heater with booster pump
Rated power3,500 / 5,500 W
Rated voltage110 / 220 V ~
Rated frequency50 / 60 Hz
Heating elementStainless steel cup or cast aluminium (selectable)
Booster pumpBuilt-in
Heating time≈ 2 seconds
Temperature range30 – 55 °C
ControlMechanical knob
Wiring2.5 mm² or thicker copper wire, no plug — direct to leakage protector
ProtectionOver-temperature · dry-heat · 40 A leakage protector included
Waterproof ratingIPX4
Water, dimensions & packing
Product size408 × 230 × 83 mm
Package size486 × 125 × 415 mm
Net weight3.1 kg
Carton quantity4 pcs / carton
Carton size535 × 500 × 445 mm
Gross weight15 kg
Shower setIncluded
CertificationCE, RoHS

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

Front panel in your colour and pattern, with your logo laser-etched or applied as a sticker. 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

Supplied without a plug as standard: the unit is wired directly to the 40 A leakage protector included in the box. Other market requirements on request.

No extra MOQ

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.

Product details

Full product presentation

X5-A detail image 1 X5-A detail image 2

Request a quotation for X5-A

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.