Use our sizing guide to help determine the recommended product size based on your household requirements and hot water usage.
Simply select the product type and enter a few details about your property, including:
Our calculator will then estimate the recommended litre capacity to help you choose the most suitable solution for your home.
Here when you need us, before and after your purchase.
Choosing the right heating or hot water product can be complex. Whether you need help selecting a system, registering your warranty or speaking to our team, Advance Appliances provides the support and advice you need at every stage.
Register your product online to ensure your warranty is in place.
Warranty Registration
Speak to our technical team for honest, practical advice.
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Our friendly team is here to help with product, technical and sales enquiries.
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