By Range
Featured Trebles
Browse the featured products, hand picked by the Pump Sales Direct Team
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5231-230
Trebles - Pressbox Pressurisation Unit - Twin Pump - 3.5 Bar.The lightweight Aluminium enclosure combined withthe included 'EasyMount' wall bracket aidsinstallation. The PRESSBOX is lighter than many floor-mounted units, yet provides a higher tank capacity than equivalent wall-mounted-only units. The digital controller provides BMS connectivity with 2 contacts as standard including a common alarm along with a programmable alarm that can be customised with various parameters.
In stock
Free Standard Delivery
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5231-260
Trebles - Pressbox Pressurisation Unit - Twin Pump - 6 Bar.The lightweight Aluminium enclosure combined withthe included 'EasyMount' wall bracket aidsinstallation. The PRESSBOX is lighter than many floor-mounted units, yet provides a higher tank capacity than equivalent wall-mounted-only units. The digital controller provides BMS connectivity with 2 contacts as standard including a common alarm along with a programmable alarm that can be customised with various parameters.
In stock
Free Standard Delivery
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05/05/5255
Trebles - Compact 5255-5/5 Cold Water Booster Set - 230v - Single Phase - 31 Ltr/minThe Trebles - Compact range of cold water boost sets maximus performance in the smallest possible footprint whilst maintaining a rich feature set. The twin Pump arrangement provides a standby Pump should failure occur whilst also providing an assist facility, should a single Pump ever become overwhelmed past peak demand. Auto-changeover ensures that both Pumps wear evenly.
2 week lead time
Free Standard Delivery
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05/03/5255
Trebles - Compact 5255-3/5 Cold Water Booster Set - 230v - Single Phase - 20 Ltr/minThe Trebles - Compact range of cold water boost sets maximus performance in the smallest possible footprint whilst maintaining a rich feature set. The twin Pump arrangement provides a standby Pump should failure occur whilst also providing an assist facility, should a single Pump ever become overwhelmed past peak demand. Auto-changeover ensures that both Pumps wear evenly.
2 week lead time
Free Standard Delivery
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5191-PH1L
Trebles - 5191-PH1L Single Pump Mechanical Pressurisation Unit - 3 Bar.The Trebles - 5191-PH1L Single Pump Pressurisation Unit is a robust and relaible floor mounted pressurisation unit that is suitable for both industrial and commercial applications. For us on sealed systems in order to maintain a minimum operating pressure. It has an open design which allows for ease of serviceability but also provides the option of manual dosing via the tank should this be required.
In stock
Free Standard Delivery
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5201-PH1D
Trebles - 5201-PH1D Single Pump Digital Pressurisation Unit - 3 Bar.The Trebles - 5201-PH1D Single Pump Pressurisation Unit is a robust and relaible floor mounted pressurisation unit that is suitable for both industrial and commercial applications. For us on sealed systems in order to maintain a minimum operating pressure. It has an open design which allows for ease of serviceability but also provides the option of manual dosing via the tank should this be required.
In stock
Free Standard Delivery
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5202-PH2D
Trebles - 5202-PH2D Twin Pump Digital Pressurisation Unit - 3 Bar.The Trebles - 5202-PH2D Twin Pump Pressurisation Unit is a robust and reliable floor mounted pressurrisation unit that is ideally suited for both industrial applications and commercial applications. The 5202-PH2D comes with a digital controller as standard and provides 2 programmable volt free contacts which can be configured to high/low pressure, common fault, Pump fault, system fault, water leak, service due alarms.
In stock
Free Standard Delivery
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GMT-PH2D-HC
Trebles - PH2D High Capacity Digital 2Pump Floor Mounted Pressurisation UnitThe PH2D pressurisation unit is a simple, robust and reliable mechanical pressurisation unit that has been designed with over 60 years of experience is highly engineered system equipment. Throughout a heating system, there is always potential forslight leaks to occur which gradually decrease system pressure leading to inefficient or disabled heating.
Out Of StockFree Standard Delivery
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5301-EC-XL-25-40
Trebles - Run-Around-Coil Package - 5301-EC-XL-25-40 - Standard - 10 Bar.The Trebles - RAC Pump package assemblies, are a pre-engineered solution designed for use in sealed cooling systems in combination with air handling units. This item includes a circulation Pump, pressure Vessel, low pressure Switch, safety valve and other associated ancillaries all housed within a Galvanised Steel frame, a Trebles - RAC unit can greatly reduce time spent on site during installation.
3 week lead time
Free Standard Delivery
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5301-EC-XL-25-60
Trebles - Run-Around-Coil Package - 5301-EC-XL-25-60 - Standard - 10 Bar.The Trebles - RAC Pump package assemblies, are a pre-engineered solution designed for use in sealed cooling systems in combination with air handling units. This item includes a circulation Pump, pressure Vessel, low pressure Switch, safety valve and other associated ancillaries all housed within a Galvanised Steel frame, a Trebles - RAC unit can greatly reduce time spent on site during installation.
3 week lead time
Free Standard Delivery
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5301-EC-XL-25-80
Trebles - Run-Around-Coil Package - 5301-EC-XL-25-80 - Standard - 10 Bar.The Trebles - RAC Pump package assemblies, are a pre-engineered solution designed for use in sealed cooling systems in combination with air handling units. This item includes a circulation Pump, pressure Vessel, low pressure Switch, safety valve and other associated ancillaries all housed within a Galvanised Steel frame, a Trebles - RAC unit can greatly reduce time spent on site during installation.
3 week lead time
Free Standard Delivery
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5301-EC-XL-25-100
Trebles - Run-Around-Coil Package - 5301-EC-XL-25-100 - Standard - 10 Bar.The Trebles - RAC Pump package assemblies, are a pre-engineered solution designed for use in sealed cooling systems in combination with air handling units. This item includes a circulation Pump, pressure Vessel, low pressure Switch, safety valve and other associated ancillaries all housed within a Galvanised Steel frame, a Trebles - RAC unit can greatly reduce time spent on site during installation.
3 week lead time
Free Standard Delivery
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5302-EC-XL-32-40
Trebles - Run-Around-Coil Package - 5302-EC-XL-32-40 - Standard - 10 Bar.The Trebles - RAC Pump package assemblies, are a pre-engineered solution designed for use in sealed cooling systems in combination with air handling units. This item includes a circulation Pump, pressure Vessel, low pressure Switch, safety valve and other associated ancillaries all housed within a Galvanised Steel frame, a Trebles - RAC unit can greatly reduce time spent on site during installation.
3 week lead time
Free Standard Delivery
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5302-EC-XL-32-60
Trebles - Run-Around-Coil Package - 5302-EC-XL-32-60 - Standard - 10 Bar.The Trebles - RAC Pump package assemblies, are a pre-engineered solution designed for use in sealed cooling systems in combination with air handling units. This item includes a circulation Pump, pressure Vessel, low pressure Switch, safety valve and other associated ancillaries all housed within a Galvanised Steel frame, a Trebles - RAC unit can greatly reduce time spent on site during installation.
3 week lead time
Free Standard Delivery
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5302-EC-XL-32-80
Trebles - Run-Around-Coil Package - 5302-EC-XL-32-80 - Standard - 10 Bar.The Trebles - RAC Pump package assemblies, are a pre-engineered solution designed for use in sealed cooling systems in combination with air handling units. This item includes a circulation Pump, pressure Vessel, low pressure Switch, safety valve and other associated ancillaries all housed within a Galvanised Steel frame, a Trebles - RAC unit can greatly reduce time spent on site during installation.
3 week lead time
Free Standard Delivery
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5302-EC-XL-32-100
Trebles - Run-Around-Coil Package - 5302-EC-XL-32-100 - Standard - 10 Bar.The Trebles - RAC Pump package assemblies, are a pre-engineered solution designed for use in sealed cooling systems in combination with air handling units. This item includes a circulation Pump, pressure Vessel, low pressure Switch, safety valve and other associated ancillaries all housed within a Galvanised Steel frame, a Trebles - RAC unit can greatly reduce time spent on site during installation.
3 week lead time
Free Standard Delivery
Trebles
Established in 1966, Trebles designs and manufactures a range of innovative pump and fluid circulation solutions for a wide range of applications.
Their big sellers include the EcoBoost and EcoPlus booster sets, suitable for both commercial and domestic use, and available in single, twin, or multiple pump arrangements. The Pressbox provides a compact pressurisation solution for tight spaces, while the Run-Around-Coil Sets offer pre-fabricated solutions for sealed cooling systems in conjunction with air handling units.
In addition to these, Trebles offers a versatile range of pumps, including the Trident (packaged booster set and tank), Compact, and PH lines, designed to meet the needs of applications ranging from domestic hot water and heating to industrial fluid circulation.

























