Trebles Pressurisation Units

Trebles designs and manufactures a range of automatic pressurisation units for maintaining system pressure in sealed heating and cooling systems. The range includes wall- and floor-mounted models, with single- and twin-pump configurations available to suit different system requirements.

From compact units for installations where space is limited to larger floor-mounted systems with additional control options, the Trebles range provides practical solutions for maintaining system pressure reliably.

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Energy Efficent

Designed to maintain system pressure efficiently while avoiding unnecessary pump operation.

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Compact Designs

Wall- and floor-mounted options with configurations to suit different installation spaces.

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Built by Trebles

Designed, assembled and tested at our UK manufacturing facility using established components.

Trebles Pressbox

The Trebles PressBox is an automatic pressurisation unit designed to maintain the required pressure within sealed heating and cooling systems. Its compact design provides a straightforward solution for maintaining system pressure without taking up unnecessary plant room space.

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Trebles Pressbox

Trebles Pressbox Mini

The PressBox Mini is a compact wall-mounted pressurisation unit designed for installations where available space is limited. Its small footprint makes it suitable for applications where a conventional floor-mounted unit may not be practical.

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Pressurisation Unit

Trebles PH Units

The Trebles PH range comprises floor-mounted pressurisation units designed for larger sealed system applications. Available in four configurations, the range combines a robust construction with a choice of options to suit different system requirements.

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Built & Supported by Trebles

Trebles pressurisation units are manufactured in the UK as part of our in-house manufacturing operation. Our design and technical teams work alongside our manufacturing department to develop, assemble and support the equipment throughout its working life.

The range uses established UK and European components and is backed by Trebles’ wider expertise in pumps, pressurisation and building services equipment.

Why Trebles Pressurisation Units

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UK Manufactured

Designed and manufactured at Trebles’ Wolverhampton facility, giving us direct control over the build and specification.

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Proven Components

Built using established UK and European components selected for their suitability and performance.

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Application Support

Our technical team can help with product selection and specifications based on the requirements of the sealed system.