Lochinvar enhances environmental performance of smaller water heaters

Lochinvar, DHW

Lochinvar’s EcoSword range of low-NOx fully condensing gas-fired water heaters achieve NOx emissions below 37 mg/kWh across the entire range, so each model qualifies for the maximum three BREEAM points available. There are nine models with storage capacities from 163 to 388 l and hot-water recovery rates from 210 to 540 l/h through a 50 K temperature rise. They are aimed at small commercial and large residential projects.

The ‘cold-zone’ heat-exchanger design ensures that the unit operates in condensing mode as much as possible. They have a fully modulating pre-mix burner. Seasonal efficiencies are up to 98.2% (Building Regulations) with a water-heater efficiency of up to 94% (ErP).

Managing director David Pepper explain, ‘Condensing hot-water technology has not always been financially viable for some smaller projects. With this development, we are making higher-efficiency, low-NOx solutions available to a wider cross-section of the market.’

All models are WRAS certified and A rated under the ErP Energy Labelling legislation.

No clearance is required at the rear of the unit and only 50 mm at the side and 50 mm in front. All components can be accessed from the front for maintenance.

Storage vessels are of enamelled steel and include a Correx system to protect the vessel from the effects of electrolytic action, but requires less maintenance than magnesium anodes.

The storage vessel is supported by a 3-year warranty; it is fully insulated and jacketed and has low standing losses.

For more information on this story, click here: May 2017, 86
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