GAS-FIRED ATMOSPHERIC WATER HEATERS


Gas-fired Atmospheric water heaters


Lochinvar Knight and Charger atmospheric water heaters were among the first of their kind supplied in the UK and Ireland, and since the initial launch in 1976, these products have been providing economical and reliable supplies of hot water for many building types.


Although condensing water heaters are usually specified and installed on new build and refurbishment projects, there is still a requirement for replacement atmospheric gas water heaters, where replacing with condensing equivalents can be impractical.


We would usually encourage customers towards high efficiency condensing water heater options, but for applications where like for like replacement is the requirement, our current range of Low NOx atmospheric water heaters models are an alternative.


Legislation In September 2018, new ErP legislation for gas-fired water heaters was implemented; with the main change being new maximum levels of NOx emissions of 56mg/kWh. Most of the atmospheric water heaters on the market pre September 2018 were subsequently withdrawn, but our Knight and Charger ranges were modified and upgraded to include Low NOx burners and can provide an ideal solution for water heater replacements


Water heater replacements Most new-build or major refurbishment projects would specify gas-fired condensing water heaters, but replacing an old atmospheric gas water heater installation will usually mean that a new flue installation is required. This can present a practical and costly challenge particularly on multiple water heater installations, or installations that include lengthy flue runs.


Charger Low NOx water heaters can usually be installed on the existing flue installation and can provide a cost-effective and efficient replacement option. All models are held in stock and can normally be delivered to most UK locations within 2 working days.


Details on such products can be found on the following pages:


Storage-type atmospheric Low NOx water heaters • Charger Low NOx page 36 • Knight Low NOx


page 38


Page 35


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