Products
Commercial boilers
Wessex ModuMax mk3 boiler
Stratton mk3 wall hung boiler
Melbury HE pressure jet boiler
Upton modular boiler
Purewell Variheat mk2 condensing cast iron boiler
Varmax floor standing boiler
Ensbury pressure jet boiler
Melbury C condensing pressure jet boiler
Hot water heaters
Dorchester DR-CC condensing water heater
Halstock stainless steel calorifier
Powerstock storage tank
Powerstock glass lined calorifier
Dorchester DR-FC Evo condensing water heater
Halstock stainless steel storage tank
Dorchester DR-XP condensing water heater
Dorchester DR-SG stainless steel condensing water heater
Dorchester DR-TC solar water heater
Heating system equipment
Burstock expansion vessel
Chesil pressurisation unit
Clenston air and dirt separator
Horton chemical dosing pot
Merley boiler sequence controller
Arne flue gas economiser
Heat pumps
Service & spares
Service, maintenance and repairs
Commissioning
Warranty
Identify fault codes and error codes
Spare parts
Find your spare part
Knowledge
Frequently asked questions
Do Hamworthy boilers contain asbestos?
Do you offer FORS delivery?
Does the Ensbury boiler need shunt pumps & a minimum flow rate?
Can the Purewell Variheat boiler run on an open vented system?
Can the Wessex ModuMax boiler run on an open vented system?
Will the Wessex ModuMax mk3 be easy to get into the plantroom?
What does the fault code on my Hamworthy boiler mean?
What is the maximum working pressure of the Wessex range?
Articles
Combine but also separate the old from the new for an efficient heating system
Cleaner Heat Cashback
Efficient heating system design with built-in boiler controls
NOx emissions from commercial boilers
Primary circuit or boiler shunt pumps in commercial heating
Medium Combustion Plant Directive in commercial heating
Hydraulic separation in heating systems
No flow boilers – application and installation
What are expansion vessels for unvented kits?
Refurb or replace – what to consider when upgrading your commercial heating system
Indirect Hot Water Cylinders and Storage Tanks
What is a low loss header? And when to use one.
How to size a low loss header
Stratification in water heaters
Temporary boiler plant rooms
Managing the risk of legionella in domestic hot water systems
Hydrogen - one gas grid, many products
How does a calorifier work?
Direct Hot Water Systems
Heat Pumps Role in the Net Zero Goal
Building Regulations Part L Uplift: What’s changed one year on?
UK Hydrogen Strategy: What does it tell us?
What are the best methods for building decarbonisation in the UK?
Hydrogen as a fuel source explained
The benefits of stainless steel in hot water generation
Cast iron boilers
ErP-compliant boilers
ErP Directive for water heaters
Energy legislation
Changing heating system design with wide temperature differentials
What are district heating networks
Commissioning commercial boilers
Energy Technology List
Modular boilers for heat networks
Life cycle costs of a heating system
Open vented heating systems compared with sealed systems
Load matching in multiple boiler installations
Low loss headers explained
Minimum Energy Efficiency Standards
Condition Improvement Fund
What is an Unvented Kit?
Changing boilers from atmospheric to condensing
Sizing hot water systems for sports facilities
What is a calorifier?
Minimising heating plant size
ErP-compliant cast iron boiler
Modular boilers load matching in heat networks
Commercial boiler flue systems
ErP Energy Labelling
Corrosion protection for water tanks water heaters
Boiler heat exchanger for commercial heating
Driving condensing boiler efficiency
Comparing direct and indirect fired water heaters
Videos
About us
Case studies
Temporary and packaged plant rooms
School & University Boilers
- Allenbourn Middle School, Wimborne
- Riverside Childrens Centre, Canterbury
- Abbey Hill Academy
- St Catharine's College, Cambridge
- Bournemouth and Poole College
- Nottingham University
- Canford School, Dorset
- Duppas Junior School, Croydon
- Madani High School, Leicester
Hospital Boilers
Historic Building Boilers
- Upton House
- Hull & East Yorkshire Centre for the Deaf
- St Paul's Cathedral, London
- Royal Institution of Great Britain
- West Ham Nursery
Hotel & Leisure Boilers
- Baglioni Hotel
- Marlowe Theatre, Canterbury
- Cheltenham Racecourse
- Danubius Hotel
- Welcombe Hotel
- Carlton Hotel, Bournemouth
- Langham Hotel, London
- Drayton Manor Hotel, Staffordshire
- Dorking Sports Centre, Surrey
- Aston Villa Trinity Stand, Birmingham
Office heating
- Christchurch Police Station
- The Hive, Manchester
- Multi-tenanted office block
- Upton Boilers provide space saving solution in Holburn office block
- Upton Boilers from Hamworthy Heating rise to the challenge with UK South Services
- An efficient and low carbon heating solution
Residential boilers
Our news
CIBSE Patrons policy update 2018
British manufacturing gets funding boost
Hamworthy and Cedar Green temporary boiler rooms
Twin returns maximum efficiency Varmax boiler
Modular boiler operating at 90 degrees
Stratton mk2 150 wall hung boiler model launched
Hamworthy boiler production relocation
Hamworthy launches new CPD seminar
Hamworthy Upton modular boiler launch event
Stainless Family Tour visits Ireland
Noel Lally rejoins Hamworthy Heating
Hamworthy office move
Hamworthy’s Julia’s House fundraising result
Hamworthy gets safety accreditation
Groupe Atlantic supports Macmillan
Hamworthy launches compact condensing water heater
A farewell from and a welcome to the sales team
Hamworthy runs for Wessex Cancer Trust
2019 guide to Hamworthy products and services
Bob Smith joins Hamworthy Heating sales team
Hamworthy agent McDowall welcomes third generation
Aluminium boiler with 1MW output
Fleet boilers obsolete
Hamworthy’s Stainless Family Tour hits central London
Hamworthy team member supports Easter egg hunt at local school
Investing in technical knowledge
Leeds product training centre open
Cleaner Heat Cashback scheme funds reduced
First Ecobrick donation to local school
Plant sale for Macmillan Cancer Support
Meet Hamworthy at EMEX and CIBSE Build2Perform London
Hamworthy interactive showroom tour
Paul Fox and Darcy May join sales team
Upton boiler shortlisted for second industry award
Macmillan Coffee Morning gets Hamworthy support
Chris Barrett joins Hamworthy
Hamworthy ISO accreditations renewed
Upton boiler announced as H and V News Awards finalist
Jack Dinnewell from NG Bailey wins BESA Award
Gary Banham joins Hamworthy sales team
Upgraded ErP-compliant cast iron boiler launched
Hamworthy raises £1100 for its charities
Hamworthy finalises sales team lineup
2019 Boiler Roadshow
UK progress on tackling carbon emissions
Groupe Atlantic UK brands raise over £38k for charity
Roadshow tour 2019 successful kick-off
Upton boiler receives ‘Commended’ at SEAI Energy Awards
Books for the community
Wessex ModuMax mk3 boiler shortlisted for award in Ireland
Groupe Atlantic UK, ROI and North America Divisions shortlisted for Community Spirit Award
Wessex ModuMax mk3 is ‘Highly Commended’
Hamworthy join Macmillan's World’s Biggest Coffee Morning
The future of HVAC: H&V News Summit 2019
Dr Elaine Lancaster is first female EUA president
Jason Fretwell heads up Hamworthy sales team
Two new water heater ranges launched
Next day delivery service available
CIBSE ASHRAE Technical Symposium key takeaways
High demand for high output boilers
Groupe Atlantic UK raises over £120,000 for Macmillan
Hamworthy Heating and Jeremias UK Ltd form partnership
The road to decarbonisation of commercial heating
Two coils are better than one
Hamworthy launch new on-demand course with BESA Academy
New pipework kits for space saving Upton boiler
Maximise boiler controls to use less energy
Living more sustainably
Hamworthy sponsor CIBSE Technical Symposium for second year
World Environment Day
CIBSE CPD Module - Primary Circuit Design
Two promotions for Hamworthy sales team
Supporting excellence at the Construction News Specialists Awards
Hamworthy sponsors CIBSE ASHRAE Technical Symposium
Vince Ng joins Hamworthy sales team
Ethan Addis from NG Bailey wins BESA Award
Unintended consequences in building services
The heritage of the brand
Hamworthy joins Dorset Chamber of Commerce
Hamworthy Heating Cleans up the Beach
Hamworthy Heating introduce new Tyneham Heat Pump technology to its range
Tyneham Heat Pump launch at Mercedes-Benz World
Hamworthy Bake-Off Raises Money for Children in Need
Hamworthy staff donate Christmas gifts to local women’s refuge
Hamworthy Staff Supports Christmas Hamper Charity Appeal
New Tyneham heat pump brochure
Meet the Hamworthy experts at Specifi 2023
Hamworthy sponsor the 2023 CIBSE ASHRAE Technical Symposium
Introducing Stratton mk3, our NEW wall-hung boiler range
Groupe Atlantic makes major investment in Clade Engineering Systems
Hamworthy provide unbeatable service
Andrew Jones, Area Sales Manager joins the Hamworthy team
Hevac Ltd and Jacobs Engineering join the team in Hull for a factory visit
Dave Ward celebrates 25 Years on the Hamworthy team
We've launched our new Dorchester DR-SG stainless steel water heater
Meet Paul Mickleburgh, London Specification Sales Manager
Get heard in our survey
The Hamworthy Summer Social 2023 is a hot date for the diary
Groupe Atlantic & Clade Engineering Systems
Our new CIBSE Accredited Heat Pump CPD and White Paper are here
Get to know us
Testimonials