Water heaters

Powerstock calorifiers offers a flexible approach to indirect heating and storage of hot water, using a choice of heat generators. High-efficiency gas-fired boilers are commonly used with calorifiers as the prime energy source, but with the move towards renewable energy, alternative technologies can be applied. Indirect-fired heating for hot water

The Aquastor Eco range of unvented indirect hot water cylinders feature a duplex stainless steel inner cylinder and are manufactured to the highest standards. Available in a range of cylinder sizes with an ErP B classification. 22mm hot and cold water connections; 0.5" temperature and pressure relief valve; 3.0 bar maximum operating pressure

Maxxflo is a Queen's Award winning commercial condensing water heater from Andrews. It is a self-contained system for commercial and industrial applications and can be used with other low- or zero-carbon technologies. Maxxflo features a stainless steel tank, and incorporates a fully modulating burner function to provide maximum performance

The Elson Coral Aquanox is an open vented thermal store that provides mains pressure domestic hot water. It does so by using a low pressure vented hot water storage systems. The hot water storage cylinder in the Coral Aquanox is filled with water via the integral deed and expansion tank. The water is then heated directly by an immersion heater or

Designed specifically for UK water conditions, PremierPlus provides cost-effective mains pressure water heating. Manufactured to the highest standards from Duplex stainless steel, the units offer exceptional corrosion resistance and a long life expectancy. Advanced primary coil and cold water controls give rapid re-heat and good flow rate

Domestic vented water cylinders are available in indirect, direct and single feed versions. Indirect cylinders are designed to be linked to a remote heat source, such as a gas boiler or coal fire. The water within the central heating system is heated by the remote heat source and is passed through the coil in the cylinder. As the primary normally

Combination cylinders come with a built in header tank, this gravity fed system is suitable for use in domestic properties, perfect for retro fit situations this cylinder can even come in bespoke designs. Manufactured in the United Kingdom to a very high standard, we have 30 years of experience within the hot water cylinder industry

The ELSOflow rectangular, copper hot water tank is the perfect like for like replacement for the original Elson hot water tanks. The tanks are available as either a traditional combination tank (providing gravity hot water) or as a thermal store unit (delivering mains pressure hot water). McDonald Water Storage launched their ELSOflow rectangular

Our Stainless Vented cylinders come in Direct and Indirect models, this open vented system can be suitable for use with boilers or electric only applications, perfect for retro fit situations this cylinder can even come in bespoke designs. Manufactured in the United Kingdom to a very high standard, we have 30 years of experience within the hot

Floor-standing, indirect unvented commercial calorifiers are available in capacities from 450 to 4000 litres. They have ergonomically designed stainless steel tanks that are pressure tested to 8 bar with a grey plastosol outer case finish as standard. All the electrical and plumbing connections are within easy installation access. Floor-standing

Floor-standing, indirect unvented calorifiers are available in 80-305L capacities for domestic and residential applications, and 400-100,000L capacities for commercial applications. They have ergonomically designed stainless steel tanks that are pressure tested to 15 bar with a grey plastosol outer case finish as standard. All the electrical and

Indirect models are supplied with an internal coil suitable to be fed heat by a gas or oil boiler. All models come complete with a 3kw immersion heater as backup and 22mm compression fittings all over. The Tornado comes with built in thermal expansion so does not need a remote expansion vessel: lifetime guarantee; 90-300 litre domestic range; high

Maxistore cylinders come in Direct models with 2 Immersion heaters, suitable for electric only applications, perfect for retro fit situations this cylinder can even come in bespoke designs. Manufactured in the United Kingdom to a very high standard, we have 30 years of experience within the hot water cylinder industry

Zip InLine ES compact instantaneous water heaters have an extremely energy efficient bare wire electronic heating system. It is designed to economically supply water to a single outlet such as a handwash area with limited space. The system heats the water automatically as it flows through, without wasting energy in standby operation. The heating

With a total focus on high performance and reliability, our THERMflow thermal store cylinder is designed to: heat up quicker than competitors thanks to an increase in copper coil size achieve a consistently high water temperature due to a combination of our unique design and copper’s increased efficiency virtually eliminate any queries or issues

Indirect models are supplied with an internal coil suitable to be fed heat by a gas or oil boiler. All models come complete with a 3kw immersion heater as backup and 22mm compression fittings all over. The Tempest model is supplied with a remote expansion vessel with a factory fitted wall mounting bracket

Prepackaged plate semi-storage calorifiers are designed for domestic hot water applications where there is intermittent demand and/or limited plant room space. They are available in 500-3000L capacities. They incorporate a buffer vessel, an efficient packaged heat exchanger, a plate heat exchanger, a circulating pump, a thermostat and stainless

The TyphoonCR cylinders come with a high recovery coil, this open vented system is suitable for use with boilers where quicker recovery times are required, perfect for retro fit situations this cylinder can even come in bespoke designs. Manufactured in the United Kingdom to a very high standard, we have 30 years of experience within the hot water

The ELECTRAflow is an integrated heating and hot water thermal store, powered by immersion elements and controlled by a new and improved purpose designed controller. ELECTRAflow provides the comfort and convenience from the most customisable electric wet central heating and hot water solution for apartment applications, with each unit bespoke

The POWERflow copper unvented hot water cylinder range provides fantastic benefits with the use of copper providing the most efficient heat transfer not only in standard units but also bespoke units, tailored to your size and requirements. The POWERflow range is built to deliver superior mains pressure simultaneously for showers, sinks and wash

The MULTIflow thermal store range is specifically designed to provide a high performance, mains pressure hot water solution which delivers enormous benefits. The MULTIflow range also provide the perfect replacement option for discontinued Gledhill PulsaCoil appliances

Zip InLine DEX/DBX electronic instantaneous water heaters can be used to provide a constant supply of hot water for handwash, sinks, showers and baths at an exact (selected) temperature, to single or multiple outlets. It uses a highly efficient bare wire heating system. The heating power electronically adjusts to compensate for variable inlet

The PLATEflow system comprises a brazed plate heat exchanger (PHE), pre-piped and mounted on a buffer vessel. It is designed to supply hot water in situations where demand can vary over the course of a day, e.g. hotels, hospitals, factories etc. The PLATEflow system effectively decreases the amount of stored hot water required, while still

The Zip InLine® CEX electric, instantaneous water heater is designed to supply single or multiple outlets with a constant supply of hot water at a selected temperature. It has a highly efficient, bare wire heating system. The heating power is electronically adjusted to compensate for variable inlet pressures and temperatures. There is no stored