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Temperature-balancing valves that can maintain flow in the return of a recirculating hot-water system when water is drawn off from other branches and open fully to permit thermal disinfection are far more effective than traditional balancing valves. |
Achieving efficient and safe recirculating hot-water systems
Published: May 2008
Traditional approaches to balancing recirculating hot-water systems fail in their task as soon as a tap is opened. They also do not readily permit the satisfactory thermal disinfection of a system. David Corner explains a better approach.
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Scalding accidents are wholly avoidable — Nic Mallinson. |
Preventing the risk of scalding
Published: May 2008
Nic Mallinson reminds us of the dangers of hot water and calls for the wider use of thermostatic mixing valves.
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Getting the best from solar energy — Bob Walsh. |
Exploiting solar hot water for commercial applications
Published: May 2008
Solar energy for hot water in commercial buildings is becoming increasingly touted as the way forward, says Bob Walsh
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The Park Central apartment development in Birmingham uses central plant to provide domestic hot water and heating via an Elson Coral CB unit in each flat to provide individual control. |
Looking to the future of domestic hot water
Published: May 2008
Mike McDonald explains how the flexibility and efficiency of central plant in developments such as apartments can be combined with individual control in each apartment.
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Condensing technology is used extensively in direct gas-fired water heaters. Shown here is a Lochinvar Eco Knight and two sizes of Turbo Charger. |
Combining gas with renewable energy
Published: May 2008
David Pepper explains how direct gas-fired water heaters have an important role to play in reducing energy consumption and helping to exploit renewable energy.
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Solar thermal energy can be added to Daikin’s Altherma heat-pump system using an adapter kit. |
Daikin adds solar-thermal option to heat-pump kit
Published: May 2008
Daikin Europe now offers a solar kit for its Altherma heat-pump systems for space heating in houses and the supply of hot water to generate domestic hot water using solar energy.
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Small and compact, the instantaneous water heater under this sink can deliver hot water in 5 s. It is available from Zip Heaters |
Compact package delivers instantaneous hot water
Published: May 2008
It takes only 5 s for the Inline ES instantaneous water heater from Zip Heaters to deliver temperature controlled hot water to its tap.
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Bringing a novel contemporary style to bathroom brassware is Pegler’s Pride range. |
Pegler adds style to bathroom products
Published: May 2008
Pegler’s Pride range of bathroom brassware products offers basin, bath and bidet taps in a contemporary square styling.
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Adding pressure to hot and cold water supplies
Published: May 2008
The Dualstream system from GAH Heating provides a way of improving the performance of hot- and cold-water outlets in homes with a poor mains supply.
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Central energy plant with individual control of hot water and heating in the 700 apartments of the redevelopment of Highbury Stadium will be achieved using SAV AquaCon indirect modules |
Heat-exchange modules serve apartments at Highbury Stadium
Published: May 2008
Instantaneous hot water at mains pressure will be provided in apartments of the redeveloped Highbury Stadium, the former home of Arsenal Football Club, by SAV AquaCon indirect modules served by central boiler plant. These modules will also provide independently controlled hot water for each apartment.
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Providing the link between solar thermal energy and heat pumps with the supply of domestic hot water and underfloor heating is Chelmer Heating’s Ecocat cylinder. |
Integrating renewable energy with hot water and heating
Published: May 2008
Chelmer Heating’s Ecocat high-efficiency water cylinder can accept input from a heat pump and also has another coil to accept heat from solar collectors for both heating and hot water.
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Replacing oil-fired plant to deliver 17 000 l/h of hot water for the City of Belfast Playing Fields are these two Lochinvar water heaters. |
Lochinvar tops the game in Belfast
Published: May 2008
Up to 17 000 l/h of hot water can be provided for the City of Belfast Playing Fields in Mallusk by water heaters supplied by Lochinvar.
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This installation of solar thermal tubes at Whipsnade Zoo is part of a system provided by Evinox to provide hot water and heating for the rhino enclosure. |
How the rhinoceros got his hot water
Published: May 2008
Rhinos at Whipsnade Zoo are enjoying hot water generated by a solar thermal system for showers and heating their pool water. This vacuum-tube system also serves the heating coil of the air-handling unit.
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Mains-fed hot water can be provided for residential and light commercial properties by Redring’s Aqualoy range of unvented water-storage heaters. |
Electrically heated cylinders deliver mains fed hot water
Published: May 2008
Redring’s Aqualoy range of stainless-steel large unvented water storage heaters can deliver a flow of 55 l/m and can easily supply a power shower, thus avoiding the need for a separate pump. They now have a low-noise immersion heater in response to customer demand.
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