Commercial & industrial heating across Oxfordshire

Oxyplumb Commercial · Oxfordshire & the Cotswolds

Hamworthy commercial hot water in Oxfordshire

A commercial hot-water upgrade needs the storage and heat source to work together. We can help you review Hamworthy equipment and plan installation, replacement or maintenance around the building.

Hamworthy Halstock stainless-steel calorifier
Hamworthy Halstock stainless-steel calorifier

Explore the Hamworthy range

Direct-fired water heaters and indirect calorifiers.

The Hamworthy choices below cover two different approaches: generating hot water in a dedicated gas-fired appliance, or storing water heated by separate plant. We can compare both against the building’s peak use, existing services and maintenance arrangements.

Hamworthy Halstock — manufacturer product photograph

Equipment & application

Hamworthy Halstock

Halstock is a stainless-steel indirect calorifier. Its coil transfers heat from a separate primary system into the stored water. We check the primary plant’s capacity and operating conditions before deciding whether the proposed vessel will recover quickly enough for your busiest period.

  • Stainless-steel indirect storage
  • Works with separate primary heating plant

Worth discussing forCommercial hot-water systems with suitable primary heating plant.

Hamworthy Halstock · manufacturer details (opens in a new tab)
Hamworthy Dorchester DR-SG — manufacturer product photograph

Equipment & application

Hamworthy Dorchester DR-SG

DR-SG combines stainless-steel storage with condensing gas-fired water heating. It is an alternative to heating a calorifier from the main boiler plant. We’ll compare the appliance and its associated flue, gas and drainage requirements with the other options for your site.

  • Direct-fired condensing water heater
  • Stainless-steel storage arrangement

Worth discussing forDedicated commercial hot-water replacement or new installation.

Hamworthy Dorchester DR-SG · manufacturer details (opens in a new tab)
Hamworthy Dorchester DR-CC — manufacturer product photograph

Equipment & application

Hamworthy Dorchester DR-CC

DR-CC offers a compact condensing-water-heater arrangement. Compact dimensions can help a plant-room layout, but do not remove the need for clear service access and the right duty. We can assess the available space and the exact model before setting out a replacement proposal.

  • Compact condensing range
  • Assess access as well as appliance footprint

Worth discussing forSpace-conscious commercial plant-room projects.

Hamworthy Dorchester DR-CC · manufacturer details (opens in a new tab)
Hamworthy Powerstock calorifier — manufacturer product photograph

Equipment & application

Hamworthy Powerstock calorifier

Powerstock provides an indirect storage option with a glass-lined vessel. Selection includes the primary heat source and coil performance, while future maintenance must reflect the vessel and its protection arrangements. We can explain those differences when comparing it with stainless-steel alternatives.

  • Glass-lined indirect storage
  • Plan vessel maintenance alongside the heating plant

Worth discussing forCommercial systems comparing indirect storage materials and layouts.

Hamworthy Powerstock calorifier · manufacturer details (opens in a new tab)

Not sure which option fits?

Send us a few photographs and tell us how your building is used. We’ll help narrow down the choices and explain the installation work around the equipment.

Ask Oxyplumb for advice
Hamworthy Halstock calorifier cutaway showing the internal heat-exchange coil
Hamworthy Halstock calorifier cutaway showing the internal heat-exchange coil.

What matters for your building?

These are starting points for a conversation, not interchangeable products or a specification without a survey.

Hamworthy: options and planning checks
OptionWhen to discuss itWhat we check
Hamworthy HalstockCommercial hot-water systems with suitable primary heating plantStorage, primary duty, coil performance and access
Hamworthy Dorchester DR-SGDedicated commercial hot-water replacement or new installationDemand, recovery and connection requirements
Hamworthy Dorchester DR-CCSpace-conscious commercial plant-room projectsSelected duty, connections and maintenance clearances
Hamworthy Powerstock calorifierCommercial systems comparing indirect storage materials and layoutsPrimary duty, model configuration and maintenance requirements

From survey to handover

Hamworthy installation & replacement.

We’ll look at the existing heat source and its operating pattern before deciding how an indirect calorifier would be served. If heating is switched off in summer, the hot-water arrangement still needs a clear operating strategy. Our proposal can cover the vessel, primary connections, controls and agreed associated work, with responsibilities and interruptions explained.

What we’ll work through with you

  • Peak outlet use and how long the busiest period lasts
  • Stored volume and the rate at which hot water is replenished
  • Incoming pressure, distribution and secondary circulation
  • Safe temperatures, maintenance access and changeover arrangements
Plan your installation with Oxyplumb

Looking after existing equipment

Hamworthy servicing & fault investigation.

Tell us whether the issue is temperature, recovery, pressure or water reaching the furthest outlets. A calorifier fault enquiry can involve the boiler, control valve or circulation circuit, not just the storage vessel. We can help identify the investigation needed and plan maintenance around safe access and the manufacturer’s instructions.

We’ll agree the visit and access requirements with you. Servicing follows the installed equipment’s requirements; any additional repair, specialist attendance or replacement parts are discussed as part of the scope. If you look after several buildings, ask us about planned maintenance.

Ask about servicing

Useful to know

Your Hamworthy questions.

Can a calorifier use the existing commercial boiler?

Often that is the intended arrangement, but available heat, coil performance, controls and operating temperatures need checking. We’ll review the proposed combination rather than assume any boiler and calorifier can be connected without changes.

What should I send when asking for a quote?

Send your postcode, a short description of the problem or planned work, and photographs of the equipment and its model plate. Tell us about any access restrictions and important operating times. We’ll help establish whether a site assessment is needed before preparing the proposal.

Which areas do you cover?

We support commercial premises across Oxfordshire and the surrounding Cotswolds, including Oxford, Witney, Carterton and Abingdon. Check our areas served, or send your postcode with the enquiry so we can confirm the next step.

Manufacturer information.

Use the official information below to explore the equipment. We’ll confirm current availability, the exact specification and applicable terms when quoting.

Independent customer feedback

The right equipment. A team you can trust.

There is more to your project than choosing a manufacturer. See what customers say about Oxyplumb, then discuss the installation or servicing with our commercial team.

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99% of customers recommend Oxyplumb on the official profile.

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A helpful team, a clear next step

Tell us what you need your system to do.

Installation, a replacement or help with a fault—we’ll work through the options with you.

Send your enquiry

Oxfordshire & the Cotswolds

Your Hamworthy system, supported locally

Oxyplumb Commercial can help with Hamworthy water-heater installation and servicing across Oxfordshire and the Cotswolds. We can help review Hamworthy calorifiers alongside the connected heat source, available space and your busiest periods of hot-water use.

Let’s talk about your building

Not sure where to start?

Share your site postcode, equipment photographs and the work you need. We’ll confirm the scope and visit arrangements with you.

Discuss your local project