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Unvented water heaters
Unvented water heaters - helping you find the best solution for your project.
PLATEflow Commercial Water Heater
Visit siteThe 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- PRODUCT
- McDonald Water Storage
- 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
- PRODUCT
- MHG Heating
Santon PremierPlus water heater
Visit siteDesigned 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- PRODUCT
- Baxi Heating UK
Powerstock calorifiers and storage tanks
Visit sitePowerstock 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- PRODUCT
- Hamworthy Heating
POWERflow Unvented Cylinder
Visit siteThe 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- PRODUCT
- McDonald Water Storage
- Floor-standing, indirect unvented twin coil calorifiers are available in 130-305L 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
- PRODUCT
- MHG Heating
- 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
- PRODUCT
- Stuart Turner
- 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
- PRODUCT
- Telford Copper & Stainless Cylinders
Tornado stainless indirect unvented cylinder
Visit siteIndirect 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- PRODUCT
- Telford Copper & Stainless Cylinders
- 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
- PRODUCT
- Zip Heaters
STEELflow Stainless Steel Unvented Cylinder
Visit siteMcDonald Water Storage is synonymous with superior quality hot water cylinders and its STEELflow unvented cylinders are no exception. Manufactured from premium grade duplex stainless steel ensuring superior corrosion resistance, STEELflow provides uncompromising efficiency and high quality standards, with high performance cylinders for those on a- PRODUCT
- McDonald Water Storage
Megaflo eco unvented water heater
Visit siteMegaflo eco units are manufactured in the UK to a very high quality using the latest techniques. They boast numerous innovative features designed to ensure high levels of operating efficiency. Suitable for home environments, workplaces or demanding applications such as sports and health club shower rooms, Megaflo eco provides high performance- PRODUCT
- Baxi Heating UK
- 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
- PRODUCT
- MHG Heating
Unvented water heaters - helping you find the best companies for your project.
Aalberts Hydronic Flow Control
Offers a range of water heaters and calorifiers. An indirect storage type is constructed from double enamelled steel, and has insulation, top control, and permanently welded-in heat exchangers. Compatible with all heating systems, the product also has a connection facility for additional heat source. The calorifiers are easy to assemble. largely
Washway Lane, St Helens, WA10 6PBAndrews Water Heaters
Manufactures and supplies natural and LPG storage water heaters, instantaneous gas water heaters, oil-fired water heaters and high output instantaneous water heaters. A continuous flow water heater is ideal for applications requiring a constant supply of hot water via a small number of outlets. The heater is designed for installation on a suitable
3 Innovation House, Oaklands Business Centre, Oaklands Park, Wokingham, RG41 2FDAtmos Heating Systems
Supplies solar water heating systems which collect between 50 and 70% of a households annual energy usage for hot water. The systems can be connected to existing hot water tanks or can be used in conjunction with the companys gas condensing boilers. Easy to fit, the systems design eliminates the possibility of legionella formation and provides
Unit C, West March, Daventry, NN11 4SABaxi Heating UK
Baxi is one of Europe’s largest manufacturers and distributors of domestic and commercial water and space heating systems. In the UK, the company’s portfolio includes well known and well respected brands, including Baxi, Potterton, Main, Heatrae Sadia, Valor, Andrews Water Heaters, Elson, Baxi SenerTec, Santon, Remeha and Potterton Commercial
Brooks House, Coventry Road, Warwick, CV34 4LLBeaumont Water Heaters
Manufactures direct-fired water heaters for hotels, hospitals, restaurants, schools and sports centres. The units feature scale-shedding heat exchangers which expand and contract at a different rate to the scale, causing any scale formation to loosen and fall to the bottom of the cylinders. A 1000mm diameter end door provides access for the fast
Unit 2d, Giles Lane Industrial Estate, Giles Lane, Landford, Salisbury, SP5 2BGBroag
Offers stainless steel valorifiers that are suitable for potable water installations
Remeha House, Molly Millars Lane, Wokingham, RG41 2QPEcoflam UK
Manufactures floor-standing unvented cylinders. The compact design - 505mm diameter - and accessibility of the plumbing and electrical connections allows installation and maintenance in relatively small spaces. Direct models are heated entirely by an electrical supply, whilst indirect models have a coil inside for use in conjunction with gas / oil
Suite 3 The Crown House , Blackpole East, Blackpole, Worcester , WR3 8SGElco Heating Solutions Ltd
Supplies calorifiers and hot water heating tanks for commercial applications. Corrosion resistant, the units provide thorough and even heating of stored water without cool zones. Inspection and cleaning access is provided and applications can be vented or unvented
3 Juniper West, Fenton Way, Southfields Business Park, Basildon, SS15 6SJFabdec
Offers energy-efficient, unvented domestic water heaters in seven sizes from 80 to 305 litres
Grange Road, Ellesmere, SY12 9DGGAH
Building 846 Bentwaters Parks, Rendlesham, Woodbridge, IP12 2TWGledhill Building Products
Gledhill manufactures a variety of vented and unvented hot water cylinders and tanks manufactured from copper or Duplex stainless steel. These can be used with gas or oil boilers, electricity, solid fuel, heat pumps and solar energy to supply hot water for single and multi-bathroom dwellings. The company has 16 manufacturing centres strategically
Sycamore Estate, Squires Gate, Blackpool, FY4 3RL

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