Flow heaters

Temperature Range

0°C to 90°C

Heating capacity

200 kW

More specifications
HERO_Flow heater_DSH20

Rent reliable temporary flow heaters for fast electric heating that keeps critical operations running.

01514 560 158
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Talk to an expert Fast response within 1 working day!

Reliable temporary flow heater rental when heating can't stop.

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Stay operational

Keep heating circuits operational

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Ready when needed

Fast deployment and installation

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Grow with demand

Add heating capacity where needed

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Expert support

Here when you need us

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Rent, don't invest

Avoid capital and maintenance spend

Talk to our experts

Share a few details about your situation and one of our Coolworld specialists will contact you shortly. Whether it’s a planned project or an urgent situation, we’ll help you find the right temporary solution.

  • Fast response, minimal downtime.
  • Certified & Trusted – EU-approved equipment & processes.
  • Ready-to-Use Rentals – Fast deployment of cooling & heating solutions.

Coolworld coldstores had a very positive impact. They are good, solid units, and we just placed another order! Working with Coolworld was excellent, and they provided all the info required in a very efficient and timely manner. 100% happy with the service

David Pratt Dixons Milk Ices

Cases

flow heaters DSH inside building

Benefits of renting a flow heater from Coolworld

Flow heater rental from Coolworld gives you fast access to temporary electric heating capacity, supported by specialist temperature control expertise. If you're looking for flow heater hire, our specialists can quickly recommend the right solution for your application.

Coolworld helps select the right capacity, temperature range and connection setup for your application. Where needed, the rental solution can include supporting equipment such as hoses, pumps, connections and other accessories for a complete temporary installation.

With electric flow heaters available for water-based heating systems up to 90°C, Coolworld helps keep processes, facilities and projects running when continuous temperature control is essential. Because we know that temperature matters.

Certificates & Standards
HACCP 2026 compliant
ISO 9001 certified | Coolworld
GMP+ requirments 2026
fgas-certificate
chas logo

Specifications

Temperature range

0 to 90 °C

Heating capacity

200 kW

Maximum working pressure

8 bar

Water connection

4″ Bauer

Electrical connection

125 A CEE / M12

Nominal pressure drop

50 kPa

Internal pump

No

Sound level at 10 m

0 dB(A)

Hear from our clients nhs
"The project was far from easy from the start, but they were not phased and nothing was too much trouble. Coolworld liaised well with all staff involved and kept us updated throughout the project."
Tina Matthews BSc Senior Capital Project ManagerMid and South Essex NHS Foundation Trust

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FAQ

Here you’ll find the most frequently asked questions. Don’t see your question? Feel free to contact us.

Contact us

Choose a flow heater when you need temporary inline heating for a water or glycol circuit, process system, commissioning project or heating loop. A flow heater is suitable when heat needs to be added directly to a flowing medium. Choose an electric boiler for smaller central-heating applications, or an industrial boiler for larger hot-water heating demands.

process-heating- flowheaters_doorstroom heaters DSH20

What is a flow heater?

Flow heater rental from Coolworld gives you fast access to temporary electric heating capacity, supported by specialist temperature control expertise. If you're looking for flow heater hire, our specialists can quickly recommend the right solution for your application.

Coolworld helps select the right capacity, temperature range and connection setup for your application. Where needed, the rental solution can include supporting equipment such as hoses, pumps, connections and other accessories for a complete temporary installation.

With electric flow heaters available for water-based heating systems up to 90°C, Coolworld helps keep processes, facilities and projects running when continuous temperature control is essential. Because we know that temperature matters.

Coolworld Lommerse Uitendaal 110 flowerbulb storage LT02 196A9294

Where and why is a flow heater needed?

Flow heaters are used when a water-based system needs temporary heating quickly and reliably. Typical applications include process water heating, closed-loop water or glycol circuits, central heating support, commissioning projects, indirect tank heating and frost protection.

They are relevant across chemical processing, food and beverage production, pharmaceuticals, manufacturing, healthcare, logistics, agriculture and building services.

Flow heater rental is particularly useful during equipment breakdowns, planned maintenance, capacity shortages, facility upgrades, delayed installations and temporary projects. By maintaining controlled water temperatures, flow heaters help protect processes, reduce downtime and keep projects moving.