Ideal 10L Undersink Water Heater 2Kw

Product Code
46WH66010
€144.35 €117.36
/ Price Per ITEM
Buy & Deliver Available for Delivery
Buy & Collect Available for Collection

Available for delivery Change

0 Available for collection from Branch Change

Can we help you? Chat with an expert nowChat with an expert now

For hot water on demand in compact spaces, the Ideal 10L Undersink Water Heater 2 kW (WH66010) is a versatile, hard-working solution designed for kitchens, washrooms, offices and small commercial areas where traditional hot water systems aren’t practical. This under-sink heater delivers efficient performance right where it’s needed most — without wasting energy heating unused pipework.

Equipped with a robust Incoloy heating element and corrosion-resistant anode, it’s built to withstand ongoing use and resist deterioration over time. Ideal’s compact design fits neatly beneath a sink or counter, and the external temperature control lets you tailor hot water output to match demand. Simple to install and quick to commission, this 10-litre unit offers a cost-effective hot water boost for localised applications.

Whether you’re supplying hot water to a hand basin, kitchenette, workshop sink or utility room tap, this efficient under-sink water heater ensures hot water is always close at hand.


Key Features

  • 2 kW Heating Power: Fast heat-up for immediate hot water supply.
  • 10 L Capacity: Ideal size for under-sink applications and small outlets.
  • Compact Undersink Design: Saves space — perfect for kitchens, offices and washrooms.
  • Incoloy Heating Element: Durable, long-lasting performance.
  • Corrosion-Resistant Anode: Protects the internal tank for extended service life.
  • External Temperature Control: Easy adjustment of hot water output.
  • Includes Wall Bracket: Simple, trade-friendly installation


Technical Specification

  • Model: WH66010 
  • Capacity: 10 Litres
  • Power Input: 2 kW
  • Voltage: 230 V ~ 50 Hz
  • Heating Element: Incoloy element for durability
  • Anode: Corrosion-resistant protective anode
  • Temperature Control: External adjustable thermostat
  • Pressure Range: Typically 2–8 bar (site dependent)
  • Installation: Wall or under-sink mounting bracket included
  • Application: Localised hot water supply — kitchens, bathrooms, offices, workshops
More Information
BrandIdeal
Provided byTJ O'Mahony
Delivery Rulesmall & light

Last update: 02-Dec-2025

Delivery Timeframes:

  • Small Items: 2-3 working days

  • Large/ Bulky items: 5-7 working days

  • Extra Large appliances & TV's: 5-7 working days

  • Click & Collect: 1 working day

 

Delivery Zones (Nationwide):

  • Zone 1: Dublin, Galway, Kildare, Limerick, Meath, Offaly, Tipperary, Wexford, Wicklow

  • Zone 2: Carlow, Clare, Clifden, Kilkenny, Laois, Louth, Waterford, Westmeath

  • Zone 3: Cavan, Cork, Donegal, Kerry, Leitrim, Longford, Mayo, Monaghan, Roscommon, Sligo

 

Delivery Charges: 

  Small & Light  Large & bulky Extra Large
 Zone 1  €9.99  €25  €50
Free delivery on orders over €400 no free delivery
 
 Zone 2  €9.99  €50   €50
 
 Zone 3  €9.99  N/A  N/A

* Effective from 3 December 2025
* Free delivery on order over €400, applies to Small & Light, Large & Heavy items within zone 1 only.

 

Zone Indicator:

To help you understand delivery availability, every item displays a zone icon, icons appear on the top-right corner of each product image:

Types  of goods Available zones Descriptions
Small & light items All Zone area Items under 20kg weight & under 2m long, (some fragile items may not be included e.g. glass/mirrors)
Large and bulky items
Extra Large items
Zone 1 & 2 only Wet & hazardous bagged, items over 20Kg weight & oversized;
Euronics white goods, TVs of all sizes.
Large Paint items (6L / 6L+) Zone 1 only Large hazardous items (6L+) - available for collection

 

Available zones Indicator Descriptions
All zone area  ALL Zone delivery icon This icon with all zone area in green, indicates this items can be shipped to all Zone.
Zone 1 & 2 only  non-zone 3 delivery icon Zone 1 & 2 in green and zone 3 greyed out, indicates this product can only be shipped to Zone 1 and 2 
Zone 1 only  non-zone 3 delivery icon Zone 1 in green zone 2 and zone 3 are greyed out, indicates this product can only be shipped to Zone 1 only.
 
 

Old Appliance Collection:

When you buy a large appliance, we’ll collect your old one for free through WEEE Ireland. Please ensure it is uninstalled, disconnected, and ready for pickup. Collection is like-for-like and takes place at the front door or apartment entrance. Restrictions may apply based on access and item type.

 


Free Click & Collect:

Click & Collect is free and available on items in stock at your chosen branch. Click Here to see our Branch Locator.

How it works:

  • Place your order online

  • You will receive an order confirmation email

  • Our team processes your order, please allow up to 4 hours

  • Within branch opening hours, we aim to have your order ready the same day.

  • You will receive an email once your order is ready for collection. 

At TJ O'Mahony we will exchange or refund any Retail unused product returned to us in its original condition within 30 days of receiving it (*)You can return any unused product to us in its original condition for a full refund or exchange within  30 days of delivery.  

This right to return does not apply to products that are non stock and only available to order such as catalogued doors, catalogued bathroomware and mixed paints which are made especially for your order.

Please note that we are unable to accept returns on certain bagged building products and materials, including (but not limited to) hard wall, cement, bonding, slates, and ridges. We appreciate your understanding and recommend checking product requirements carefully before purchase.

*View our full returns policy on our Terms &Conditions Page.