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- Water Heating
- Zip Electric Instantaneous Under Sink Water Heater
Zip Electric Instantaneous Under Sink Water Heater ES3 - 2.8kW
by Zip WaterProduct code: 81898

Zip Electric Instantaneous Under Sink Water Heater ES3 - 2.8kW
by Zip WaterProduct code: 81898
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Product details
Compact design, featuring bare-wire for fast heat up, no standing heat losses. Easy to install and service.
• Energy Class: A
• Min/Max Flow rate: 1.2L/min / 2L/min
• 230V - 2.8kW Output
• Dimensions: 186 x 87 x 135mm
• Weight:1.5Kg
• 1 Year manufacturers warranty
Compact electronic instantaneous water heater with highly energy efficient bare wire system for economic water supply to a single outlet.
The innovatively designed appliance heats the water automatically as it flows through, without wasting energy instandby operation.
The heating power electronically compensates for variable inlet pressures and temperatures.
Outlet temperature factory set to 38°C, but can be installer adjusted between 30°C to 43°C.
Intended for use with taps having M22 /M24 nozzles.
Easy to install and service.
Reviews★★★★★ ★★★★★
Technical specification
| Type | Non Potable |
| Brand | Zip Water |
| Manufacturer ID | ES3 |
| Warranty (years) | 1 year |
| Energy class | N/A |
| Colour | White |
| Height (mm) | 135mm |
| Depth (mm) | 80mm |
| Width (mm) | 187mm |
| IP Rating | IP25 |
| Voltage | 230V |
| Wattage | 3KW |
| Pack contents | 1 x Zip Electric Instantaneous Under Sink Water Heater ES3 - 3.0kW |
| Colour Family | White |
| Inlet Connection | 1/2" |
| Max. pressure (bar) | 10 |
| Installation Type | Undersink |
| Weight (Kg) | 1.5KG |
Delivery details
Delivery (UK mainland only)
Next Day: £5, or FREE over £40
- Order by 9pm Mon-Thu: next working day
- Order Fri to 5pm Sun: Monday
- Order after 5pm Sun: Tuesday
Pre-12pm: £10
- Same cut-offs as Next Day above
Saturday & Sunday: £10, or £5 over £40, or FREE over £75
- Saturday: order by 6pm Fri
- Sunday: order by 4pm Sat
Heavy items (over 30kg)
- Mon-Fri only. Order by 6pm and allow up to two working days
- Order after 6pm Thu: arrives after the weekend
Supplier items
- Sent directly by the supplier, so timings vary. Lead times appear on the product page in working days (Mon-Fri)
Collection details
Next Business Day Collection (eligible items)
- Order by 9pm Mon-Thu: collect next day
- Order after 9pm Thu to 5pm Sun: collect Monday
- Heavy items (over 30kg): allow up to two working days
Opening hours
- Weekdays vary by branch: open 6:30am-7am, close 6pm-8pm
- Saturday: 7am-6pm
- Sunday: 9am-4pm
Check your local store's hours and that it's open before visiting. Please wait for our text or email before collecting.
Holding your order
We'll hold it for 14 days, then automatically refund your original payment method.
Pack size: Each
Selected:
5 Available for delivery. Order before 9pm to receive your item next business day.
0% interest for 4 months on orders above £99*. Learn more








