SPONSORED BY Hamworthy Heating
Address: Wessex House, Units 7&8, New Fields Business Park, Stinsford Road, Poole, Dorset, BH17 0NF Email: Web:
Tel: 01202 662500
sales@hamworthy-heating.com
www.hamworthy-heating.com
Product name - fuel type - boiler type - output range - maxium gross efficiency - NOx emissions - size
• Wessex ModuMax mk3 – Natural Gas or LPG – Floor standing vertical stacking modular condensing boiler – 97 to 762kW – 95% – 34 to 36 mg/kWh (natural gas) – 702 (w) x 717/1258/1799 (h) x 836/1082 (d)
• Stratton mk2 – Natural Gas or LPG – Wall hung condensing boilers – 43 to 146kW – 96% – 34 to 36 mg/kWh – 541 (w) x 890 (h) x 477/574/692/800mm (d)
• Upton – Natural Gas or LPG – Floor standing vertical stacking modular condensing boiler – 98 to 1,046kW – 97% – 32 to 36 mg/kWh – 700 (w) x 789/1403/2017 (h) x 940/1127 (d)
• Purewell Variheat mk2 – Natural Gas of LPG Air – Floor standing modular condensing cast iron boilers – 70 to 180kW – 96% – 21.3 to 37.8 mg/kWh 533 (w) x 1177 (h) x 865mm (d)
• Varmax – Natural gas or LPG – Floor standing condensing boiler – 127 to 627kW – 96% – 30 to 55 mg/kWh – Various sizes
• Ensbury LT – Natural gas, oil, liquid biofuel, dual fuel – Low temperature, high efficiency pressure jet
boiler – 440kW to 580kW – 85% – dependent on fuel and burner choice – Various sizes • Melbury – Natural gas, oil, liquid biofuel, dual fuel – Pressure jet boiler – 530kW to 10MW – 95% – dependent on fuel and burner choice – Various sizes
Installation aids available
• Flue kits • Prefabricated pipe kits • Air and Dirt separators • Dosing pots • Pressurisation units • Expansion vessels
Controls available
• Weather compensation • Cascade control • Sequencers • Integrating controls
Other products available
• Solar thermal systems • Thermal storage vessels / cylinders • Steel boilers 440kW to 10000kW
CaseStudy
UK South Services chose a Hamworthy Powerstock calorifier to help a client quickly get up and running with hot water provision. The product was chosen to overcome site flue issues and provide a cost-effective replacement for the client. In this multi-tenanted building in the heart of London, hot water is paramount for hand washing facilities, particularly in the current climate with hygiene being an important factor in reducing the transmission of COVID-19. The building had an aging gas-fired water heater that had split on the heat exchanger and was therefore condemned. The client needed to get hot water running on site urgently as this unit was the only source of hot water for the building. Shaun Sylvester, commercial manager for UK South Services, surveyed the site and encountered a number of issues, mainly related to the flues. Mr Sylvester said: “The existing flue had not been installed correctly. It didn’t meet the manufacturer’s recommendations and there was no flue liner in the
stack. There was also asbestos present around the entrance to the flue stack and plant room walls. We looked at the option of using the existing boiler flue header as a combined flue to add a new water heater, but it was too low to accommodate it.” This was an unexpected failure for the client and therefore an unplanned expenditure. They wanted to keep cost to a minimum as they were not planning on
keeping the building for a long period. Mr Sylvester added: “The existing boilers were in good order and had more than sufficient KW output to cope with the heating system plus the hot water. Therefore, adding a calorifier heated via the boilers to meet the hot water requirements was the best answer to overcome the flue issues and keep costs down.” UK South Services opted for a Hamworthy Powerstock PS500 calorifier with unvented kits. A 9kW immersion heater was fitted to ensure the client has hot water
back-up in case of boiler failure. The twin coils in the calorifier provide an extended surface area and therefore large heat transfer for fast heat up and quick recovery. Hamworthy was able to meet the tight project deadlines and UK South Services got the building up and running quickly with hot water.
• Direct fired water heaters • Calorifiers & storage tanks • Flue gas economiser
Brief company history
• Hamworthy Heating has over 100 years’ heritage of high-quality engineered products that are built to last. The British manufacturer is part of Groupe Atlantic UK, ROI and North America.
Unique selling points
• Hamworthy’s varied portfolio provides a boiler for every building: no matter if old or new; whether that is gas boilers, oil boilers, floor standing or wall hung, pre-mix or power flame boilers, direct fired water heaters, calorifiers or renewable products such as solar thermal. • We deliver a personal and added value pre- and after-sales service which includes free CIBSE- accredited CPD seminars and free product training. • From local sales contacts to directors at the top, our people make the difference. We care about you – that means sharing our knowledge with and listening to you to ensure we get it right.
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