DEL 18 / 27 Plus 3 Phase Electric Instantaneous Water Heaters
- Standard delivery time: 2-4 business days
- Receive free shipping on orders above $150
Shipping & Delivery
Shipping & Delivery
Shipping Rates
- Free delivery on all orders over $150.
- Flat fee of $10 for North Island orders under $150.
- Flat fee of $15 for South Island orders under $150.
- We can only deliver to physical addresses — unfortunately, P.O. Boxes are excluded.
Exclusions
- Free shipping does not apply to pre-order items.
- Shipping costs for pre-orders will be calculated at the time of your inquiry, based on your location within New Zealand.
- If you require urgent delivery, we may be able to arrange airfreight. Additional charges will apply. Please contact us for details.
Delivery Timeframes
- Standard delivery is usually 2–4 business days (Mon–Fri) from the date of dispatch, excluding public holidays.
- Delivery times may vary depending on the size of the item and your location.
Returns & Refunds
Returns & Refunds
If we send the wrong item, we cover return costs. If you ordered incorrectly, you’ll need to return at your cost.
If you wish to return or exchange an item, please email us at info@waterfilters.co.nz within 7 days of receiving your order to obtain a Return Authorisation Number (RNA). Please do not return your product until you have received this number.
Returns & Exchanges
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If we send the wrong item (and your order was placed correctly):
We will cover the cost of return shipping. A pre-paid return label will be issued, and the correct item will be dispatched. -
If you ordered the wrong item (and we supplied what was ordered):
You will be responsible for the cost of return shipping. If you would like us to provide a return label, we can do so, but the cost will be deducted from your refund or charged separately. -
All returns (whether for exchange, credit, or refund) must be unused, undamaged, and in saleable condition. Items with signs of use or damage will not be accepted and will be returned to you.
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We strongly recommend using a tracked courier service for all returns, as we cannot be held liable for parcels lost or damaged in transit.
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Refunds will be processed via the original form of payment and will cover the cost of the returned item(s) only. Please allow up to 14 business days from receipt of your return for processing.
Cancellations
If you wish to cancel an order, please contact us within 24 hours of placing it. Orders are processed quickly and in some cases may not be able to be cancelled once dispatched. If cancellation is no longer possible, please follow the returns process above once your order arrives.
Faulty Products
If you have received a faulty product, please contact us to arrange a return service.
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Faulty items (caused by a manufacturing defect, not wear and tear or misuse) will be replaced or refunded at no cost to you, following our assessment.
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Consumables (e.g. cartridges, lamps, media) are covered for manufacturing defects but not for lifespan variation, as water quality and usage conditions differ.
Warranty
We stand behind the quality of our products and offer the following warranty:
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Systems and parts (excluding consumables): 2 years from purchase, subject to correct installation and conditions of use.
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Consumables: Covered only for manufacturing defects (must be reported within 7 days of receipt).
During the warranty period, any approved faulty component (excluding consumables) will be replaced free of charge, subject to stock availability.
To make a warranty claim:
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Contact us via email or phone.
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Provide proof of purchase.
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Obtain a Return Authorisation Number before sending any items back.
All warranty work or returns must be approved before costs are incurred.
Your Consumer Rights
Our goods come with guarantees that cannot be excluded under the Consumer Guarantees Act 1993 (NZ). You are entitled to a replacement or refund for a major failure, and compensation for other reasonably foreseeable loss or damage. You are also entitled to have goods repaired or replaced if they fail to be of acceptable quality and the issue is not a major failure.
Waterfilters.co.nz Guarantee
We are committed to providing quality products, clear after-sales support, and excellent customer service. If something isn’t right, let us know and we’ll work to resolve it promptly.
Description
Description
GENERAL INFO
No other instantaneous water heater with 3i technology has such a wide range of features as the DEL Plus. It offers best-in-class comfort and convenience with a backlit multifunction display, temperature memory, and ECO mode.
With the energy and water saving ECO mode, the maximum flow rate of the DEL Plus can be limited so that a constant DHW temperature is possible even at low inlet temperatures.
FEATURES | BENEFITS
- Electronically controlled instantaneous water heater
- 3i technology for accurate temperature delivery
- Three-stage ECO mode for increased convenience and greater energy savings
- Backlit multifunction display with output information temperature
Product Details
The DEL Plus is suitable for supplying hot water to several draw-off points (single and group supply), e.g. simultaneous supply to bathroom and kitchen. Sealed unvented, pressure-tested appliance for use with all commercially available pressure taps. The DEL Plus water heater requires no safe tray, flue or ventilation.
Electronically controlled instantaneous water heater with 3i technology. Accurate temperature delivery up to the maximum output. Temperature selection from 30 to 50°C via rotary selector, temperature adjustment for showers in 0.5 °C increments. Backlit multi-function display to show set temperature, current power consumption, status and service indication. Selectable ECO mode. Memory function for 2 programmable temperatures of choice. Pivoting appliance cover and programming unit for increased operating convenience in under-sink installations.
Saves energy and water by means of electronic output control with 3i technology. 3 sensors ensure that the selected temperature is accurately achieved. For this, only the actual required amount of energy is expended; there is no need to add cold water at the tap. This ensures maximum energy efficiency. ECO mode can be individually selected for economical operation. Suitable for preheated water (e.g. in solar thermal and heat pump systems).
Rapid bare wire heating system, suitable for hard and soft water. Electronic safety concept with air bubble detection.
Technical Data
Product
DEL 18 Plus
DEL 27 Plus
Article number
236741
236742
Rated output (415V)
19.4kW
28kW
Rated current (415V)
27Amp
38.9Amp
Phases
3/PE
3/PE
Electrical Installation
As per AS/NZS3000
Installation requirements
AS/NZS3500.4.2 & local requirements
Switch on flow rate (minimum flow rate required to switch on the water heater)
2.5L/min
2.5L/min
Permissible operating pressure
1000kPa
1000kPa
Temperature adjustment
20-50°C
20-50°C
IP Rating
IP25 (IP24 at electrical connection finished walls)
IP25 (IP24 at electrical connection finished walls)
Height
466mm
466mm
Width
225mm
225mm
Depth
116mm
116mm
Weight
3.2kg
3.2kg
Colour
white
white
Nominal capacity
0.4L
0.4L
Approvals
WaterMark Lic No. WMKA00301, AS3498
For one/several draw off points
Yes/Yes
Yes/Yes
Heating system
Bare wire
Bare wire
Accepts pre-heated water (solar)
Yes (incoming water must not exceed 50°C)
Programmable temperature
Yes
Yes
Downloads
DEL Plus Datasheet DEL Plus Operation and Installation Guide DEL Plus Warranty
Payment & Security
Payment methods
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