SPONSORED BY 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 modular condensing boiler – 97 to 762kW – 95% – max 40mg/kWh – 680(w) x 2084 (h) x 1128 (d)


• Stratton mk2 – Natural Gas or LPG – High efficiency, pre-mix, condensing, fully modulating, stainless steel – Wall hung condensing boilers – 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 1,050kW – 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 ro 600kW – 96% – Max 55 mg/kWh – 1161(w) x 2016(h) x 1588(d)


CaseStudy H


Hamworthy’s Stratton mk3 wall-hung condensing boiler system with stainless steel heat exchanger has been installed


at the Hull & East Yorkshire Centre for the Deaf to lower carbon footprint and operational costs. Based on two floors, theThe Centre for the Deaf


has a vast floor plan with a range of rooms that require space heating. To evaluate the heating requirements, a site


visit was commissioned free of charge by Tucker Mechanical & Electrical Building Services. With cost being a major consideration for the


charity, Tucker Mechanical & Electrical Building Services decided that a modern system that offered a reduction in carbon footprint would be the best way forward in helping to lower operational costs. To help the charity to achieve maximum


savings, Hamworthy’s Stratton mk3 wall-hung condensing boiler system with stainless steel heat exchanger was identified as an ideal replacement. The selected model delivers an output of 70kW, a


gross seasonal efficiency of 95.5%, and features integral sequence controller, 5:1 turndown and quiet operation. The system was provided free of charge by


Hamworthy as a test site before its launch in February 2023. Accessories also supplied free of charge include two frame and header kits to increase the overall output of the boiler system up to 140kW, a plate heat exchanger, pressurization unit, and an expansion vessel. The Stratton mk3 boiler system replaces the building’s existing boiler and heating system which was installed in the late 80s (1989) which had reached the end of its serviceable life with many of the replacement parts now and only available as made-to-order. Moving to a wall-hung system, such as the


Hamworthy Stratton mk3, provides the building with a space-saving alternative to its previous floor-standing unit. Featuring a lightweight stainless-steel design and a compact footprint, the Stratton mk3 was installed on an internal frame.


This allowed space to fit pump equipment and a plate heat exchanger for hydraulic separation to preserve the internal boiler components. “We chose the Hamworthy Stratton mk3 wall- hung boiler due to its compact footprint and better boiler accessibility. As a company, we only align ourselves with reputable companies which offer quality products and Hamworthy have never let us down. Always on hand to provide valuable support and advice, the Hamworthy team is reliable, efficient, and always a pleasure to work with”, comments Kevin Peacock, Tucker Mechanical & Electrical Building Services. For all your heating requirements. Contact: sales@hamworthy-heating.com


• Purewell Variheat mk2 – Natural Gas of LPG – High efficiency, pre-mix, condensing, fully modulating, cast iron – Floor standing – 70 to 180kW – 96% – Max 40mg/kWh – 534 (w) x 1286 (h) x 865mm (d)


• Ensbury LT – Natural Gas, LPG, Oil, Dual Fuel – Low temperature, power flame, non condensing – Floor standing – 440kW to 580kW – 86% – max 100mg/kWh – 1058(w) x 1208(h) x 1998(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)


• Melbury HE – Natural Gas, Oil, Dual Fuel – Power flame, condensing, hi/low or modulating – Floor standing – 530kW to 10mW – 84% – max 100mg/ kWh – Various sizes – 2900(w) x 3230(h) x 7364(d) (largest unit)


Installation aids available • Pipe kits


Controls available


• Weather compensation • Cascade control • 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. We are experts in low carbon heating and hot water, with a solution for every plant room. Trusted since 1914.


Contact: sales@hamworthy-heating.com,


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