By Range
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GWS-HWB-18LX
HeatWave - Vessel - Inline - 18LtrThe HeatWave Vessel - Inline - 18Ltr is a Pressure Vessel item.
The HeatWave™ series hydronic expansion tanks provide quality protection for closed loop hydronic heating systems from excessive pressure due to thermal expansion.
Easy to install and featuring an incorporated hex nut connection, HeatWave™ tanks feature an air chamber sealed with a brass air valve and O-ring sealed air cap. developed to be supported by either system piping, wall-mounted bracket (inline models) or be freestanding (vertical model with base), the HeatWave™ has a maximum working temperature of 99° C / 210° F .
The operating pressure of this is 6 bar.
- Diaphragm design
- Patented Stainless Steel (vertical models) or chromed steel (inline models) water connection
- Two-part polyurethane, epoxy primed paint finish
- Leak-free, O-ring sealed air valve cap
- Maintenance Free
In stock
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GWS-HWB-24LX
HeatWave - Vessel - Inline - 24LtrThe HeatWave Vessel - Inline - 24Ltr is a Pressure Vessel item.
The HeatWave™ series hydronic expansion tanks provide quality protection for closed loop hydronic heating systems from excessive pressure due to thermal expansion.
Easy to install and featuring an incorporated hex nut connection, HeatWave™ tanks feature an air chamber sealed with a brass air valve and O-ring sealed air cap. developed to be supported by either system piping, wall-mounted bracket (inline models) or be freestanding (vertical model with base), the HeatWave™ has a maximum working temperature of 99° C / 210° F .
The operating pressure of this is 6 bar.
- Diaphragm design
- Patented Stainless Steel (vertical models) or chromed steel (inline models) water connection
- Two-part polyurethane, epoxy primed paint finish
- Leak-free, O-ring sealed air valve cap
- Maintenance Free
In stock
Free Standard Delivery
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GWS-HWB-2LX
HeatWave - Vessel - Inline - 2LtrThe HeatWave Vessel - Inline - 2Ltr is a Pressure Vessel item.
The HeatWave™ series hydronic expansion tanks provide quality protection for closed loop hydronic heating systems from excessive pressure due to thermal expansion.
Easy to install and featuring an incorporated hex nut connection, HeatWave™ tanks feature an air chamber sealed with a brass air valve and O-ring sealed air cap. developed to be supported by either system piping, wall-mounted bracket (inline models) or be freestanding (vertical model with base), the HeatWave™ has a maximum working temperature of 99° C / 210° F .
The operating pressure of this is 6 bar.
- Diaphragm design
- Patented Stainless Steel (vertical models) or chromed steel (inline models) water connection
- Two-part polyurethane, epoxy primed paint finish
- Leak-free, O-ring sealed air valve cap
- Maintenance Free
In stock
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GWS-HWB-35LX
HeatWave - Vessel - Inline - 35LtrThe HeatWave Vessel - Inline - 35Ltr is a Pressure Vessel item.
The HeatWave™ series hydronic expansion tanks provide quality protection for closed loop hydronic heating systems from excessive pressure due to thermal expansion.
Easy to install and featuring an incorporated hex nut connection, HeatWave™ tanks feature an air chamber sealed with a brass air valve and O-ring sealed air cap. developed to be supported by either system piping, wall-mounted bracket (inline models) or be freestanding (vertical model with base), the HeatWave™ has a maximum working temperature of 99° C / 210° F .
The operating pressure of this is 6 bar.
- Diaphragm design
- Patented Stainless Steel (vertical models) or chromed steel (inline models) water connection
- Two-part polyurethane, epoxy primed paint finish
- Leak-free, O-ring sealed air valve cap
- Maintenance Free
In stock
Free Standard Delivery
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GWS-HWB-4LX
HeatWave - Vessel - Inline - 4LtrThe HeatWave Vessel - Inline - 4Ltr is a Pressure Vessel item.
The HeatWave™ series hydronic expansion tanks provide quality protection for closed loop hydronic heating systems from excessive pressure due to thermal expansion.
Easy to install and featuring an incorporated hex nut connection, HeatWave™ tanks feature an air chamber sealed with a brass air valve and O-ring sealed air cap. developed to be supported by either system piping, wall-mounted bracket (inline models) or be freestanding (vertical model with base), the HeatWave™ has a maximum working temperature of 99° C / 210° F .
The operating pressure of this is 6 bar.
- Diaphragm design
- Patented Stainless Steel (vertical models) or chromed steel (inline models) water connection
- Two-part polyurethane, epoxy primed paint finish
- Leak-free, O-ring sealed air valve cap
- Maintenance Free
In stock
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GWS-HWB-60LV
HeatWave - Vessel - Vertical - 60LtrThe HeatWave Vessel - Vertical - 60Ltr is a Pressure Vessel item.
The HeatWave™ series hydronic expansion tanks provide quality protection for closed loop hydronic heating systems from excessive pressure due to thermal expansion.
Easy to install and featuring an incorporated hex nut connection, HeatWave™ tanks feature an air chamber sealed with a brass air valve and O-ring sealed air cap. developed to be supported by either system piping, wall-mounted bracket (inline models) or be freestanding (vertical model with base), the HeatWave™ has a maximum working temperature of 99° C / 210° F .
The operating pressure of this is 6 bar.
- Diaphragm design
- Patented Stainless Steel (vertical models) or chromed steel (inline models) water connection
- Two-part polyurethane, epoxy primed paint finish
- Leak-free, O-ring sealed air valve cap
- Maintenance Free
In stock
Free Standard Delivery
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GWS-HWB-80LV
HeatWave - Vessel - Vertical - 80LtrThe HeatWave Vessel - Vertical - 80Ltr is a Pressure Vessel item.
The HeatWave™ series hydronic expansion tanks provide quality protection for closed loop hydronic heating systems from excessive pressure due to thermal expansion.
Easy to install and featuring an incorporated hex nut connection, HeatWave™ tanks feature an air chamber sealed with a brass air valve and O-ring sealed air cap. developed to be supported by either system piping, wall-mounted bracket (inline models) or be freestanding (vertical model with base), the HeatWave™ has a maximum working temperature of 99° C / 210° F .
The operating pressure of this is 6 bar.
- Diaphragm design
- Patented Stainless Steel (vertical models) or chromed steel (inline models) water connection
- Two-part polyurethane, epoxy primed paint finish
- Leak-free, O-ring sealed air valve cap
- Maintenance Free
In stock
Free Standard Delivery
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GWS-HWB-8LX
HeatWave - Vessel - Inline - 8LtrThe HeatWave Vessel - Inline - 8Ltr is a Pressure Vessel item.
The HeatWave™ series hydronic expansion tanks provide quality protection for closed loop hydronic heating systems from excessive pressure due to thermal expansion.
Easy to install and featuring an incorporated hex nut connection, HeatWave™ tanks feature an air chamber sealed with a brass air valve and O-ring sealed air cap. developed to be supported by either system piping, wall-mounted bracket (inline models) or be freestanding (vertical model with base), the HeatWave™ has a maximum working temperature of 99° C / 210° F .
The operating pressure of this is 6 bar.
- Diaphragm design
- Patented Stainless Steel (vertical models) or chromed steel (inline models) water connection
- Two-part polyurethane, epoxy primed paint finish
- Leak-free, O-ring sealed air valve cap
- Maintenance Free
In stock
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17820
Flamco - 200 Ltr - Flamcomat FG Vessel - 3 barPurpose-built for EN 12828 heating and chilled-water systems, this multifunction sealed-system unit combines automatic expansion control, pressurisation, deaeration and make-up in a single package.
Buy Flamco Flacomat VG Vessels from Pumpify and receive free standard delivery.
A pressure-step degassing process—using a controlled pressure drop and patented PALL-ring media—removes dissolved gases even at equilibrium. A replaceable butyl bladder stores the expansion fluid at atmospheric pressure. Supplied with Flexvent Super, height-adjustable feet and a weight-capacity sensor.
- All-in-one functionality — expansion, pressurisation, deaeration and make-up
- Pressure-step deaeration with PALL-ring technology
- Replaceable butyl bladder — easy maintenance and long service life
- Delivered complete — Flexvent Super, adjustable feet, weight-capacity sensor
Designed for commercial, industrial and residential sealed LPHW/CHW installations requiring efficient air removal and stable operating pressures.
In stock
Free Standard Delivery
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17821
Flamco - 300 Ltr - Flamcomat FG Vessel - 3 barPurpose-built for EN 12828 heating and chilled-water systems, this multifunction sealed-system unit combines automatic expansion control, pressurisation, deaeration and make-up in a single package.
Buy Flamco Flacomat FG Vessels from Pumpify and receive free standard delivery.
A pressure-step degassing process—using a controlled pressure drop and patented PALL-ring media—removes dissolved gases even at equilibrium. A replaceable butyl bladder stores the expansion fluid at atmospheric pressure. Supplied with Flexvent Super, height-adjustable feet and a weight-capacity sensor.
- All-in-one functionality — expansion, pressurisation, deaeration and make-up
- Pressure-step deaeration with PALL-ring technology
- Replaceable butyl bladder — easy maintenance and long service life
- Delivered complete — Flexvent Super, adjustable feet, weight-capacity sensor
Designed for commercial, industrial and residential sealed LPHW/CHW installations requiring efficient air removal and stable operating pressures.
In stock
Free Standard Delivery
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17822
Flamco - 400 Ltr - Flamcomat FG Vessel - 3 barPurpose-built for EN 12828 heating and chilled-water systems, this multifunction sealed-system unit combines automatic expansion control, pressurisation, deaeration and make-up in a single package.
Buy Flamco Flacomat FG Vessels from Pumpify and receive free standard delivery.
A pressure-step degassing process—using a controlled pressure drop and patented PALL-ring media—removes dissolved gases even at equilibrium. A replaceable butyl bladder stores the expansion fluid at atmospheric pressure. Supplied with Flexvent Super, height-adjustable feet and a weight-capacity sensor.
- All-in-one functionality — expansion, pressurisation, deaeration and make-up
- Pressure-step deaeration with PALL-ring technology
- Replaceable butyl bladder — easy maintenance and long service life
- Delivered complete — Flexvent Super, adjustable feet, weight-capacity sensor
Designed for commercial, industrial and residential sealed LPHW/CHW installations requiring efficient air removal and stable operating pressures.
In stock
Free Standard Delivery
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17823
Flamco - 500 Ltr - Flamcomat FG Vessel - 3 barPurpose-built for EN 12828 heating and chilled-water systems, this multifunction sealed-system unit combines automatic expansion control, pressurisation, deaeration and make-up in a single package.
Buy Flamco Flacomat FG Vessels from Pumpify and receive free standard delivery.
A pressure-step degassing process—using a controlled pressure drop and patented PALL-ring media—removes dissolved gases even at equilibrium. A replaceable butyl bladder stores the expansion fluid at atmospheric pressure. Supplied with Flexvent Super, height-adjustable feet and a weight-capacity sensor.
- All-in-one functionality — expansion, pressurisation, deaeration and make-up
- Pressure-step deaeration with PALL-ring technology
- Replaceable butyl bladder — easy maintenance and long service life
- Delivered complete — Flexvent Super, adjustable feet, weight-capacity sensor
Designed for commercial, industrial and residential sealed LPHW/CHW installations requiring efficient air removal and stable operating pressures.
In stock
Free Standard Delivery
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17824
Flamco - 600 Ltr - Flamcomat FG Vessel - 3 barPurpose-built for EN 12828 heating and chilled-water systems, this multifunction sealed-system unit combines automatic expansion control, pressurisation, deaeration and make-up in a single package.
Buy Flamco Flacomat FG Vessels from Pumpify and receive free standard delivery.
A pressure-step degassing process—using a controlled pressure drop and patented PALL-ring media—removes dissolved gases even at equilibrium. A replaceable butyl bladder stores the expansion fluid at atmospheric pressure. Supplied with Flexvent Super, height-adjustable feet and a weight-capacity sensor.
- All-in-one functionality — expansion, pressurisation, deaeration and make-up
- Pressure-step deaeration with PALL-ring technology
- Replaceable butyl bladder — easy maintenance and long service life
- Delivered complete — Flexvent Super, adjustable feet, weight-capacity sensor
Designed for commercial, industrial and residential sealed LPHW/CHW installations requiring efficient air removal and stable operating pressures.
In stock
Free Standard Delivery
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17825
Flamco - 800 Ltr - Flamcomat FG Vessel - 3 barPurpose-built for EN 12828 heating and chilled-water systems, this multifunction sealed-system unit combines automatic expansion control, pressurisation, deaeration and make-up in a single package.
Buy Flamco Flacomat FG Vessels from Pumpify and receive free standard delivery.
A pressure-step degassing process—using a controlled pressure drop and patented PALL-ring media—removes dissolved gases even at equilibrium. A replaceable butyl bladder stores the expansion fluid at atmospheric pressure. Supplied with Flexvent Super, height-adjustable feet and a weight-capacity sensor.
- All-in-one functionality — expansion, pressurisation, deaeration and make-up
- Pressure-step deaeration with PALL-ring technology
- Replaceable butyl bladder — easy maintenance and long service life
- Delivered complete — Flexvent Super, adjustable feet, weight-capacity sensor
Designed for commercial, industrial and residential sealed LPHW/CHW installations requiring efficient air removal and stable operating pressures.
In stock
Free Standard Delivery
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17826
Flamco - 1000 Ltr - Flamcomat FG Vessel - 3 barPurpose-built for EN 12828 heating and chilled-water systems, this multifunction sealed-system unit combines automatic expansion control, pressurisation, deaeration and make-up in a single package.
Buy Flamco Flacomat FG Vessels from Pumpify and receive free standard delivery.
A pressure-step degassing process—using a controlled pressure drop and patented PALL-ring media—removes dissolved gases even at equilibrium. A replaceable butyl bladder stores the expansion fluid at atmospheric pressure. Supplied with Flexvent Super, height-adjustable feet and a weight-capacity sensor.
- All-in-one functionality — expansion, pressurisation, deaeration and make-up
- Pressure-step deaeration with PALL-ring technology
- Replaceable butyl bladder — easy maintenance and long service life
- Delivered complete — Flexvent Super, adjustable feet, weight-capacity sensor
Designed for commercial, industrial and residential sealed LPHW/CHW installations requiring efficient air removal and stable operating pressures.
In stock
Free Standard Delivery
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17717
Flamco - 1200 Ltr - Flamcomat FG Vessel - 3 barPurpose-built for EN 12828 heating and chilled-water systems, this multifunction sealed-system unit combines automatic expansion control, pressurisation, deaeration and make-up in a single package.
A pressure-step degassing process—using a controlled pressure drop and patented PALL-ring media—removes dissolved gases even at equilibrium. A replaceable butyl bladder stores the expansion fluid at atmospheric pressure. Supplied with Flexvent Super, height-adjustable feet and a weight-capacity sensor.
- All-in-one functionality — expansion, pressurisation, deaeration and make-up
- Pressure-step deaeration with PALL-ring technology
- Replaceable butyl bladder — easy maintenance and long service life
- Delivered complete — Flexvent Super, adjustable feet, weight-capacity sensor
Designed for commercial, industrial and residential sealed LPHW/CHW installations requiring efficient air removal and stable operating pressures.
In stock
Free Standard Delivery
Vessels
Vessels are key to keeping water and heating systems safe, reliable, and running efficiently. They help manage pressure, protect components, and make sure everything works smoothly day after day. At Pumpify, we offer vessels from top manufacturers like Flamco, Mikrofill, Stuart Turner, and Zilmet, so you can pick the right option with confidence.
From classic pressure and expansion vessels that balance system pressure to smart heating vessels that adjust automatically, there’s a solution for every setup. Maybe a flow-through vessel to keep water moving and prevent stagnation is what you need, or a potable water vessel for safe drinking water storage and regulation suits your project better.
With Pumpify, it’s easy to find the right vessel, helping your projects run smoothly and efficiently, every time.


















