A new high efficiency hot water module allows us to now be able to offer a new range of improved stainless steel thermalstore units. The addition of this module, which has been accepted in Europe for many years, is a well proven and efficient way of drawing off hot water. Not only can it be mounted directly onto the store, but the unit can also be mounted remotely and piped to the main store. It is a simple 4 piped modular system, which, once installed and filled, only requires wiring to a 5 amp fused spur. This offers an easy to install and efficient way to provide mains pressure water to all hot outlets in your property.

Stored hot water is supplied through the primary side of the high efficiency plate heat exchanger whilst mains cold water is supplied through the secondary side of the plate heat exchanger transferring thermal energy into the domestic hot water. The primary side circulating pump is controlled by software designed to give the optimum hot water flow out of the heat exchanger. This is factory pre-set to 45˚C, however the desired temperature can be increased by the end user with the touch of a button. The unit also contains a built in internal diffuser tube to minimise de-stratification from the primary return circulating pump.



Heat Pump


Wood Burner

A variety of heating appliances can be used to heat a thermalstore, including (but not limited to) any combination of immersion heaters (using electricity from the mains or PV panels), system boilers, biomass boilers, solid fuel appliances, solar thermal panels or heat pumps.

Whilst the primary function of a thermalstore is to store heat for on-demand, potable hot water, they can also be designed to allow for heating OUTputs, such as radiator systems, under-floor heating systems, towel rails, or even heat leak circuits if necessary.

Combinations of coils and/or direct connections for the various heat input and output applications can be specified, depending on whether each system is to be vented or pressurised.

Hot Water Module (HWM) Features


Hot Water Cascade

Another benefit in the hot water module is the option to add numerous modules in a cascade; adding up to 5 modules will give a maximum flow rate of 200 litres per minute.

Control is done by a flow sensor, a single master servo motor and a slave motor for every hot water modules installed. The number of hot water modules activated is directly dependent on the volume of water required.