Chesil pressurisation unit
Wall hung and floor standing pumped pressurisation units for heating and chilled sealed systems.
Available in 5 models with single and twin pump options.
Product information
- Choice of floor standing or wall hung models giving greater flexibility in plant room design.
- Removes the need for cold water header tank and eliminates reliance on mains pressure to provide the system head.
- Standard controls or electronic controls provide enhanced user interface through 16 character back-lit LCD display.
- Pressurisation unit models with electronic controls provide enhanced system monitoring capability.
- Cold fill pressures of up to 3.4 bar.
- Automatic system safety shut down and interlock in the event of a system fault.
- Wide choice of compatible Burstock expansion vessels with sizes from 25 litres to 2000 litres.
- Maintains minimum pressure requirements of low / medium temperature sealed heating sealed systems (you can read about the differences of Sealed 'v' Open Vented heating systems here).
- Suitable for constant pressure requirements of chiller systems.
- All models compatible with Building Management Systems (BMS).
- Buy in confidence from a UK manufacturer with decades of commercial heating and hot water expertise.
- BIM objects available to assist in design and management.
Technical data
| Units | FSS | |
|---|---|---|
| Configuration | Floor standing | |
| Pump | Single | |
| Controls | Standard | |
| General data | ||
| Weight (empty) | kg | 23 |
| Weight (full) | kg | 30.6 |
| Maximum cold fill pressure | bar | 3.4 |
| Minimum cold fill pressure | bar | 1.00 |
| Maximum water flow rate | l/min | 6.0 |
| Maximum water flow rate @maximum cold fill pressure | l/min | 0.1 |
| Noise level | dBA | <60 @ 1 metre |
| Electrical | ||
| Electrical supply | 230 V AC 50Hz 1Ph | |
| Pressure switch contact rating | 15 A 230 V AC | |
| Volt free contact rating | N/A | |
| Start current (per pump motor) | Amps | 9 |
| Run current (per pump motor) | Amps | 2.8 |
| Factory Settings | ||
| Cold fill pressure | bar | 1.8 |
| Low pressure switch setting | bar | 1.3 |
| High pressure switch setting | bar | 3.6 |
| Expansion vessel charge pressure | bar | 1.7 |
| System parameters for factory settings | ||
| Maximum water flow temperature | °C | 82 |
| Maximum static height | m | 16.5 |
| Minimum system operating pressure | bar | 3.3 |
| Maximum system operating pressure | bar | 7 |
| Safety relief valve setting (Not HHL supply) | bar | 4 |
| Nominal pressure differential | bar | 0.2 |
| Connections | ||
| Mains cold water inlet | inch | ½” BSP |
| Overflow (polythene pipe) diameter | mm | 32 |
| System connection compression fitting, diameter | mm | 15 |
Downloads
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Chesil pressurisation unit and Burstock expansion vessel brochureProduct brochures 4381 kb |
Download |
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Chesil electronic pressurisation unit installation manualInstallers guides 717 kb |
Download |
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Chesil standard pressurisation unit installation manualInstallers guides 863 kb |
Download |
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Chesil floor standing pressurisation unitCAD 54 kb |
Download |
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Chesil wall hung pressurisation unitCAD 55 kb |
Download |
Ideal uses/applications
- Matched for use with Hamworthy Boilers.
- For sealed systems.
Optional extras
- There are no optional extras for this product.
Often bought with
Case studies
Braithwaite House, London
Sector: Residential
Project: This 108 dwelling residential building in London needed a long-lasting boiler that could cope with the high heating demands placed on it.
Building: Social housing refurbishment
Application: Space heating 1,020kW
Learn more
Christchurch Police Station
Sector: Public sector
Project: Steel boilers from Hamworthy were the ideal solution for this dual-purpose building in Dorset.
Building: Dual-purpose building – police station and adult education centre
Application: Space heating
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Pitfield Street, London
Sector: Residential and commercial
Project: A 100% liquid biofuel boiler proved to be the greenest heating option for a city centre development consisting of 16 flats and a commercial unit.
Building: New build flats and retail space
Application: Space heating. Renewable energy
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Walton Community Hospital
Sector: Hospital
Project: A community hospital in Walton-on-Thames chose a complete Hamworthy Heating package for their hospital heating and hot water refurbishment.
Building: Community hospital boiler room refurbishment
Application: Space heating 600kW, domestic hot water 1000l
Learn more