COMMERCIAL SUPPLEMENT


BOILER Hamworthy Heating


Address: Wessex House, Units 7&8, New Fields Business Park, Stinsford Road, Poole, Dorset, BH17 0NF 01202 662500,


Web: www.hamworthy-heating.com


Product name - fuel type - boiler type - wall hung or floor standing - output range - maxium gross efficiency - NOx emissions - size (w,h,d)


• Wessex ModuMax mk3 – Natural Gas or LPG – High efficiency, pre-mix, condensing, fully modulating, stainless steel – Floor standing – 97 to 762kW – 95% – 40mg/kWh – 680 x 2084 x 1128


• Stratton mk2 – Natural Gas or LPG – High efficiency, pre-mix, condensing, fully modulating, stainless steel – Wall hung – 40 to 150kW – 95% – max 40mg/kWh – 487(w) x 895(h) x 668(d)


• Upton – Natural Gas or LPG – Pre-mix, condensing, fully modulating, aluminium – Floor standing – 100 to 1050kW – 95% – max 40mg/kWh – 700(w) x 2017(h) x 1220(d)


• Varmax – Natural gas or LPG – High efficiency, pre-mix, condensing, fully modulating, stainless steel – Floor standing – 120 to 600kW – 96% – Max 55 mg/kWh – 1161(w) x 2016(h) x 1588(d)


• Purewell Variheat mk2 – Natural Gas of LPG (Channel Islands variant) – High efficiency, pre-


CaseStudy T


he Knaresborough Inn (formerly known as Dower House) recently reopened its doors, following an exciting and major multi-


million-pound investment programme by its new owners, The Inn Collection Group. As part of the refurbishment, Sine Consulting


Ltd was employed by the new owners to develop the mechanical and electrical design of the building. This involved employing a high-efficiency low-temperature hot water (LTHW) heating system from Hamworthy Heating to help the inn minimise energy costs and maintain a comfortable environment for bedrooms and circulation spaces. To find a solution that was energy efficient whilst meeting the demands of the new Inn, the existing system, which consisted of indirect cylinders with system boilers providing thermal input, was stripped out and replaced with a new low-temperature hot water (LTHW) heating arrangement. To meet the demands of the building and provide sufficient coverage for an inn of this


standard, Sine Consulting specified a system that comprised two Stratton mk3 wall-hung condensing boilers and two Dorchester DR-SG stainless steel condensing water heaters. “We choose this new LTHW system as it is


more than capable of meeting the demands of our clients who are an ever-expanding hotelier group who put guest satisfaction and experience at the forefront of what they do as a business”, comments James Coleman, Sine Consulting Ltd. Initially opting for the Dorchester DR-FC EVO


condensing water heater from Hamworthy Heating, it soon became clear to Sine Consulting that this would not be a feasible option due to space constraints. In addition, as the flue discharge is found at the top of the DR-FC EVO, this restricted fluing options. Keen to stick with Hamworthy products and


aware of the impending launch of the Dorchester DR-SG with added anode protection, Sine Consulting opted for the latter. Solving the problem of the position of the flue discharge (the flue


discharge is located at the bottom of the DR-SG), this also addressed the issue of space restraints within the plant room. Looking at all aspects for a sustainable future,


the readiness of the Hamworthy Dorchester SG for a hydrogen and natural gas blend was also a deciding factor for Sine Consulting. “This selection ensured that the plant installed today will account for any short-term changes to the gas network and any future retrofits of burners for a higher hydrogen blend in the longer term”, says James.


mix, condensing, fully modulating, cast iron – Floor standing – 70 to 180kW – 96% – Max 40mg/kWh – 534 (w) x 1286 (h) x 865mm (d) • Melbury C– Natural Gas, Oil, Dual Fuel – Power flame, condensing, hi/low or modulating – Floor standing – 530kW to 3000kW – 84% – max 100mg/ kWh – 1645(w) x 2080(h) x 5081(d) (largest unit)


Installation aids available


• Pipe kits • Flue kits


Controls available • Weather compensation • Cascade control • Sequencers • Integrating controls


Other products available


• Thermal storage vessels / cylinders • Air source heat pumps • Gas fired water heaters


Brief company history Country of origin: UK Founded in: 1914


Established in the UK in: 1914 Number of employees in the UK: 63


Unique selling points Hamworthy Heating is a British commercial heating manufacturer. With an extensive range of the latest commercial boilers, hot water heaters and air source heat pumps, we can offer advice and help to ensure you specify the right solution for your commercial heating needs. Our technical experts and their impressive industry knowledge make a real difference to your projects. From help with sizing hot water to replacing commercial boilers, and everything you need to know about heat pumps, legislation and technology - you’ll find us friendly, knowledgeable and easy to deal with, every step of the way. We know that one size doesn’t fit all so we’ll make sure we understand your needs and requirements to fully support you at each stage.


Contact: sales@hamworthy-heating.com,


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