Fischer Aqua thermal store water heating systems utilise off-peak/on-peak electricity and providing mains pressure hot water.

Fischer Aqua is a thermal store water heating system that outputs hot water when you need it.

The Aqua uses incoming mains pressure water which is heated by conduction. The mains pressure water comes into contact with the stored water as it flows through a multi-coil heat exchanger for improved heat transfer.


  • Automatically Controlled

  • Quick and Easy to Install

  • Five Year Guarantee3

  • Reduce Energy Wastage

Call us on freephone

0800 103 2723

to discuss your heating requirements

Eliminate wastage and save money with Fischer thermal store water heaters

Fischer Aqua thermal store water cylinders are made in Great Britain and manufactured under ISO9001 Quality Management System – as audited by BSI (British Standards Institution).

We decided to join a highly experience cylinder manufacturing company to create a water heating solution suited for British homes. The Aqua thermal store has been designed with your home in mind, guaranteeing the required hot water supply for your homes needs. Keeping manufacturing on home soil allows us to give you a plumbing guarantee that is second to none. All our plumbers have been trained to the highest level to make installation an easy and stress free process.

``New water heating system looks impressive, and works as well as it looks. Whole process from estimate to finish was excellent friendly, polite, clear and on time. Having the engineers working in the house was a real pleasure``

Mr and Mrs Turner

Manufactured from copper, the Aqua cylinder has a high resistance to corrosion. Each copper cylinder comes with parts and components that are made from stainless steel for improved durability. What’s more, each Aqua is issued with 500ml inhibitor that can help reduce the risk of corrosion when added.

Fischer Aqua thermal store comes with a five year guarantee on the actual cylinder, with *one year on electrical components.

Each Fischer Aqua comes with a low loss header tank that is integrated into the system. It is a fully automatic self-filling cylinder that has ‘set and forget’ capabilities

Each Aqua is fitted with two 3kW immersion elements. This allows the Aqua to be used on economy 7 with day time boost capabilities or on a flat rate tariff, giving you complete flexibility.

Available in a range of sizes† to suit different homes with specific water heating requirements. They are also Solar PV compatible for greater economical and environmental benefits.

With one year on electrical components
†Fischer Aqua is available in slimline versions for smaller homes
Self-filling (Automatic) or manual header tank available

Also Available…

Fischer Future Heat can also install direct vented and direct unvented cylinders for customers that would like an alternative water heating system fitted. Please note that all direct unvented cylinders do require annual servicing, unlike the Aqua thermal store which is maintenance free.

Available on all heating systems†

Exclusive to Fischer storage heaters

Fischer are rated 9.3 out of 10

Fischer Future Heat Heaters

As standard all Fischer heaters come with:

High Quality German Engineering

All Fischer Heaters are manufactured by our Master Craftsmen in Germany.

Controllable Heating System

Set each room to the temperature you want with our individual wireless thermostats.

Slimline, Low Input Smart Heaters

Run on as little as 1.9kW PER HOUR.

Exclusive 40mm Clay Core

Patented and designed with comfort and efficiency in mind.

Complete Heating Guarantee

1Only applies where all rooms in the property are heated, there are no more than 2 air exchanges per hour within the room & heaters are used according to manufacturer's instructions. Will not apply where a room has an open chimney/vents.

10yr Warranty Manufacture Direct

Enjoy peace of mind with our 10 year manufacturers Warranty.

Request a free heating survey

How can a home survey help?

Our free, no obligation survey is design to ensure you get the correct sized heaters for your property. Our experienced heating engineers will assess the exact requirements of all rooms that require heating.

Take advantage of our free, no obligation heating survey now

What our customers have to say

Need help? Call us now on freephone 0800 103 2723.