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REFLEX-8216300
Reflex - N100 Closed Heating & Cooling System Expansion Vessel - 100LtrThe Reflex N 100 diaphragm expansion vessel is designed for sealed heating and cold water systems, providing reliable pressure control in closed-system installations.
In stock
Free Standard Delivery
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REFLEX-8213300
Reflex - N200 Closed Heating & Cooling System Expansion Vessel - 200LtrThe Reflex N 200 diaphragm expansion vessel is designed for sealed heating and cold water systems, providing reliable pressure control in closed-system installations.
In stock
Free Standard Delivery
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RE-8214300
Reflex - N250 Closed Heating & Cooling System Expansion Vessel - 250LtrThe Reflex N 250 diaphragm expansion vessel is designed for sealed heating and cold water systems, providing reliable pressure control in closed-system installations.
In stock
Free Standard Delivery
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RE-8215300
Reflex - N300 Closed Heating & Cooling System Expansion Vessel - 300LtrThe Reflex N 300 diaphragm expansion vessel is designed for sealed heating and cold water systems, providing reliable pressure control in closed-system installations.
In stock
Free Standard Delivery
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RE-8218000
Reflex - N400 Closed Heating & Cooling System Expansion Vessel - 400LtrThe Reflex N 400 diaphragm expansion vessel is designed for sealed heating and cold water systems, providing reliable pressure control in closed-system installations.
In stock
Free Standard Delivery
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RE-8218300
Reflex - N500 Closed Heating & Cooling System Expansion Vessel - 500LtrThe Reflex N 500 diaphragm expansion vessel is designed for sealed heating and cold water systems, providing reliable pressure control in closed-system installations.
In stock
Free Standard Delivery
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RE-8218400
Reflex - N600 Closed Heating & Cooling System Expansion Vessel - 600LtrThe Reflex N 600 diaphragm expansion vessel is designed for sealed heating and cold water systems, providing reliable pressure control in closed-system installations.
In stock
Free Standard Delivery
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7200310
Reflex - HW 25 Home Booster Expansion Vessel - 25LtrThe Refix HW 25 expansion vessel is designed for domestic water systems that are not used in DIN 1988 compliant drinking water installations.
In stock
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n800l
Reflex - N800 Closed Heating & Cooling System Expansion Vessel - 800LtrThe Reflex N 800 diaphragm expansion vessel is designed for sealed heating and cold water systems, providing reliable pressure control in closed-system installations.
In stock
Free Standard Delivery
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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
Heating Expansion Vessels
Heating expansion vessels are a key part of any sealed heating system. As water heats up, it naturally expands. Without a vessel in place, that increase in pressure could damage boilers, pumps, or pipework. An expansion vessel safely absorbs the excessive pressure, keeping the system balanced and protected.
By reducing pressure spikes and stress on components, heating expansion vessels help extend the life of your equipment and keep heating systems working reliably day after day. Available in a range of sizes and specifications, they’re designed to suit everything from small domestic systems to larger commercial applications.
At Pumpify, you’ll find a range of heating expansion vessels from big-name brands such as Lowara, Zilmet, Reflex, and Flamco. In most cases, they're relatively small. You may even have one in your home or office already! We make it simple to choose the right one and keep your setup running as it should.















