Free Nationwide Delivery
30 Day Returns Policy
Knowledgeable & Helpful Team
Free Nationwide Delivery | 30 Day Returns Policy | Knowledgeable & Helpful Team
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Santon Aquarius AU10/3 undersink water heater 10ltr 3kw

SKU: AU10/3

£246.17 inc. VAT

• Delivery 1-5 days
• Free nationwide delivery
• 30 day return policy

• Delivery 1-5 days
• Free nationwide delivery
• 30 day return policy



The 10L Santon Aquarius AU10.3 undersink vented water heater is designed for convenient point-of-use installation ideal for handwashing and dishwashing. Supplied with a valve, spout, and fixtures, the 3kW Aquarius provides straightforward installation, and thanks to an easily removed heater plate, maintenance is simple too.

Please always refer to the manufacturer’s instructions for the correct application. All parts should be fitted by a qualified plumber.

We know you’re busy and need to get repair jobs done quickly and efficiently. Our experts are waiting to help you with your plumbing, heating, or bathroom project. UK Plumbing is the UK’s favourite supplier of plumbing and heating materials. We strongly value trust, reliability and always deliver excellent service for a fair price.

Product features

• Includes water heater, spout, valve, fixtures, instructions, and warranty card
• For installation under a sink
• Copper sheathed element
• Easily removable heater plate
• Can be connected to a cold water cistern or feed tank if a vented tap is used or a vent pipe is plumbed from hot pipework to discharge expansion back into a cistern
• Where cistern or cold tank is connected, the base of the cistern should be no higher than 10M above the top of the water heater and a vent pipe must be used
• Only able to supply a single basin if used with vented taps
• BEAB approved
• Kiwa approved
• 2-year on-site parts and labour warranty

Additional information

Download Technical Data Sheet


Manufacturer Code



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Delivery cost

Delivery is free on all orders. We deliver all around the UK using DHL and Parcelforce. Standard delivery will take 1-5 working days to reach you. However, once the order is received, we will contact you to give you a more precise timescale. Usually, we will deliver the next day, subject to the date and time of when the order is received and the product.

Orders placed during the weekend will be processed the following Monday for delivery the following day. In the case of Bank Holidays, your order will be processed the next working day and delivered the following working day.

Remote areas: For orders to some addresses, especially in the Highlands of Scotland and Offshore, next day delivery options are not available, and delivery can take several days. Saturday delivery is unavailable for these areas.