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FL-Airfix P18
Flamco - 18 Ltr - Airfix P Expansion Vessel - Potable Water - 10 barBuilt for sealed potable hot and chilled water systems in domestic and commercial settings, these Potable Water Expansion Vessels stabilise pressure by absorbing thermal expansion for safe, reliable operation.
A nitrogen pre-charge helps retain set pressure longer, while a single threaded steel connection with plastic insert provides a durable, non-flow-through design. Suitable for central heating, cooling and tap water applications (not for solar collector circuits).
- Nitrogen gas filling for longer pre-charge retention
- Single threaded steel connection with plastic insert (no flow-through)
- Potable use supports domestic hot/chilled water
- Heating & cooling compatible for sealed systems
Designed for long service life with broad operating limits and glycol tolerance for demanding installations.
In stock
Free Standard Delivery
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FL-Airfix P200
Flamco - 200 Ltr - Airfix P Expansion Vessel - Potable Water - 10 barBuilt for sealed potable hot and chilled water systems in domestic and commercial settings, these Potable Water Expansion Vessels stabilise pressure by absorbing thermal expansion for safe, reliable operation.
A nitrogen pre-charge helps retain set pressure longer, while a single threaded steel connection with plastic insert provides a durable, non-flow-through design. Suitable for central heating, cooling and tap water applications (not for solar collector circuits).
- Nitrogen gas filling for longer pre-charge retention
- Single threaded steel connection with plastic insert (no flow-through)
- Potable use supports domestic hot/chilled water
- Heating & cooling compatible for sealed systems
Designed for long service life with broad operating limits and glycol tolerance for demanding installations.
In stock
Free Standard Delivery
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FL-Airfix P24
Flamco - 24 Ltr - Airfix P Expansion Vessel - Potable Water - 10 barBuilt for sealed potable hot and chilled water systems in domestic and commercial settings, these Potable Water Expansion Vessels stabilise pressure by absorbing thermal expansion for safe, reliable operation.
A nitrogen pre-charge helps retain set pressure longer, while a single threaded steel connection with plastic insert provides a durable, non-flow-through design. Suitable for central heating, cooling and tap water applications (not for solar collector circuits).
- Nitrogen gas filling for longer pre-charge retention
- Single threaded steel connection with plastic insert (no flow-through)
- Potable use supports domestic hot/chilled water
- Heating & cooling compatible for sealed systems
Designed for long service life with broad operating limits and glycol tolerance for demanding installations.
In stock
Free Standard Delivery
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FL-Airfix P300
Flamco - 300 Ltr - Airfix P Expansion Vessel - Potable Water - 10 barBuilt for sealed potable hot and chilled water systems in domestic and commercial settings, these Potable Water Expansion Vessels stabilise pressure by absorbing thermal expansion for safe, reliable operation.
A nitrogen pre-charge helps retain set pressure longer, while a single threaded steel connection with plastic insert provides a durable, non-flow-through design. Suitable for central heating, cooling and tap water applications (not for solar collector circuits).
- Nitrogen gas filling for longer pre-charge retention
- Single threaded steel connection with plastic insert (no flow-through)
- Potable use supports domestic hot/chilled water
- Heating & cooling compatible for sealed systems
Designed for long service life with broad operating limits and glycol tolerance for demanding installations.
In stock
Free Standard Delivery
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FL-Airfix P35
Flamco - 35 Ltr - Airfix P Expansion Vessel - Potable Water - 10 barBuilt for sealed potable hot and chilled water systems in domestic and commercial settings, these Potable Water Expansion Vessels stabilise pressure by absorbing thermal expansion for safe, reliable operation.
A nitrogen pre-charge helps retain set pressure longer, while a single threaded steel connection with plastic insert provides a durable, non-flow-through design. Suitable for central heating, cooling and tap water applications (not for solar collector circuits).
- Nitrogen gas filling for longer pre-charge retention
- Single threaded steel connection with plastic insert (no flow-through)
- Potable use supports domestic hot/chilled water
- Heating & cooling compatible for sealed systems
Designed for long service life with broad operating limits and glycol tolerance for demanding installations.
In stock
Free Standard Delivery
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17396
Flamco - Flexfiller 150D Pressurisation Unit - Single Pump - 1-5 BarBuilt for reliable sealed-system top-up, the Flamco Flexfiller 150D is a floor-standing digital pressurisation unit using an electronic pressure transducer and microprocessor control to maintain minimum system pressure with precision.
It delivers up to 18 L/min top-up via an 18 Ltrs internal break tank and suits commercial, industrial and large domestic installations. Available in single or twin-pump configurations for sealed LPHW/CHW systems (guide volume up to 300,000 Ltrs).
- Digital control with electronic pressure transducer
- 18 Ltrs break tank; up to 18 L/min top-up
- MODBUS RTU communications; password-protected access
- Fluid Protection Category 5 (Type AB weir overflow)
Finished in black (RAL 9005) with a sequential programming menu, system fill mode and 12-month on-screen service reminder for straightforward commissioning and operation.
In stock
Free Standard Delivery
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17463
Flamco - Flexfiller Midi 250D Pressurisation Unit - Dual Pump - 1-5 BarEngineered for sealed systems, the Flamco Flexfiller Midi 250D is a compact, wall-mounted digital pressurisation unit using an electronic pressure transducer and microprocessor control to maintain stable minimum pressure. This is a Twin Pump unit.
Buy the Flamco Flexfiller Midi Pressurisation Unit from Pumpify and recieve free standard delivery.
It provides top-up flow rates up to 12 L/min via a 4 Ltrs internal break tank and suits commercial, industrial and large domestic applications. Pressure is adjustable in 0.1 Bar steps across a 15 Bar range.
- 4 Ltrs break tank; up to 12 L/min top-up
- Category 5 protection (Type AB weir overflow)
- MODBUS RTU communications; password-protected menus
- System fill mode and pump pulse option
Finished in white (RAL 9003) with a sequential programming menu, flood-protection routines and comprehensive event logging for straightforward commissioning and operation.
In stock
Free Standard Delivery
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17106
Flamco - Midi PSD 150D Degasser - Single Pump - 1-5 BarEngineered for sealed systems, the FLAMCO Midi PSD 150D vacuum degasser (Pressure Step Degasser) strips dissolved gases to stabilise pressure and improve plant efficiency. Single pump.
Buy the Flamco PSD Degasser from Pumpify and recieve free standard delivery.
The unit samples system fluid, isolates it and applies a full vacuum so dissolved air is released per Henry's Law, vents this to atmosphere, then returns deaerated water to the circuit. A digital processor automates the cycle with a turbo mode for rapid commissioning and a real-time status display.
- Automatic vacuum deaeration with turbo & normal intervals
- Digital control and real-time component status
- Password-protected settings; 0.1 Bar pressure steps
- Event logging and volt-free common fault output
Suitable for commercial, industrial and residential LPHW/CHW applications. Model guide volume: up to 50,000 Ltrs (larger variants available up to 300,000 Ltrs).
In stock
Free Standard Delivery
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16103
Flamco - 110 Ltr - Flexcon Top Expansion Vessel - 10 barFlamco Flexcon Expansion Vessel - 110Ltr - Engineered for EN 12828 heating and chilled-water systems, this Expansion Vessel stabilises sealed system pressure by absorbing thermal expansion in LPHW/CHW applications.
Maximum working pressure: 10.0 bar.
Vessels in accordance with EN13831.
Suitable for systems with a maximum system temperature of 120 °C.
Minimum/maximum temperature diaphragm: -10 / 90 °C.
Suitable for addition of glycol-based anti-freeze up to 50%.
A flexible rolling diaphragm with a ribbed profile prevents sticking and encourages inflow at the slightest pressure rise, while a nitrogen pre-charge helps maintain set pressure longer. The uncoated connection thread supports quick, watertight installation.
- Rolling-diaphragm design for smooth expansion control
- Nitrogen pre-charge for extended pre-pressure retention
- Top-quality steel with epoxy-powder finish
- Factory tested for reliability
Built for long service life in domestic, commercial and industrial plant rooms, with continuous medium temperatures from −10 to 70 C.
In stock
Free Standard Delivery
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16133
Flamco - 140 Ltr - Flexcon Top Expansion Vessel - 10 barFlamco Flexcon Expansion Vessel - 140Ltr - Engineered for EN 12828 heating and chilled-water systems, this Expansion Vessel stabilises sealed system pressure by absorbing thermal expansion in LPHW/CHW applications.
Maximum working pressure: 10.0 bar.
Vessels in accordance with EN13831.
Suitable for systems with a maximum system temperature of 120 °C.
Minimum/maximum temperature diaphragm: -10 / 90 °C.
Suitable for addition of glycol-based anti-freeze up to 50%.
A flexible rolling diaphragm with a ribbed profile prevents sticking and encourages inflow at the slightest pressure rise, while a nitrogen pre-charge helps maintain set pressure longer. The uncoated connection thread supports quick, watertight installation.
- Rolling-diaphragm design for smooth expansion control
- Nitrogen pre-charge for extended pre-pressure retention
- Top-quality steel with epoxy-powder finish
- Factory tested for reliability
Built for long service life in domestic, commercial and industrial plant rooms, with continuous medium temperatures from −10 to 70 C.
In stock
Free Standard Delivery
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16193
Flamco - 200 Ltr - Flexcon Top Expansion Vessel - 10 barFlamco Flexcon Expansion Vessel - 200Ltr - Engineered for EN 12828 heating and chilled-water systems, this Expansion Vessel stabilises sealed system pressure by absorbing thermal expansion in LPHW/CHW applications.
Maximum working pressure: 10.0 bar.
Vessels in accordance with EN13831.
Suitable for systems with a maximum system temperature of 120 °C.
Minimum/maximum temperature diaphragm: -10 / 90 °C.
Suitable for addition of glycol-based anti-freeze up to 50%.
A flexible rolling diaphragm with a ribbed profile prevents sticking and encourages inflow at the slightest pressure rise, while a nitrogen pre-charge helps maintain set pressure longer. The uncoated connection thread supports quick, watertight installation.
- Rolling-diaphragm design for smooth expansion control
- Nitrogen pre-charge for extended pre-pressure retention
- Top-quality steel with epoxy-powder finish
- Factory tested for reliability
Built for long service life in domestic, commercial and industrial plant rooms, with continuous medium temperatures from −10 to 70 C.
In stock
Free Standard Delivery
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16293
Flamco - 300 Ltr - Flexcon Top Expansion Vessel - 10 barFlamco Flexcon Expansion Vessel - 300Ltr - Engineered for EN 12828 heating and chilled-water systems, this Expansion Vessel stabilises sealed system pressure by absorbing thermal expansion in LPHW/CHW applications.
Maximum working pressure: 10.0 bar.
Vessels in accordance with EN13831.
Suitable for systems with a maximum system temperature of 120 °C.
Minimum/maximum temperature diaphragm: -10 / 90 °C.
Suitable for addition of glycol-based anti-freeze up to 50%.
A flexible rolling diaphragm with a ribbed profile prevents sticking and encourages inflow at the slightest pressure rise, while a nitrogen pre-charge helps maintain set pressure longer. The uncoated connection thread supports quick, watertight installation.
- Rolling-diaphragm design for smooth expansion control
- Nitrogen pre-charge for extended pre-pressure retention
- Top-quality steel with epoxy-powder finish
- Factory tested for reliability
Built for long service life in domestic, commercial and industrial plant rooms, with continuous medium temperatures from −10 to 70 C.
In stock
Free Standard Delivery
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16413
Flamco - 425 Ltr - Flexcon Top Expansion Vessel - 10 barFlamco Flexcon Expansion Vessel - 425Ltr - Engineered for EN 12828 heating and chilled-water systems, this Expansion Vessel stabilises sealed system pressure by absorbing thermal expansion in LPHW/CHW applications.
Maximum working pressure: 10.0 bar.
Vessels in accordance with EN13831.
Suitable for systems with a maximum system temperature of 120 °C.
Minimum/maximum temperature diaphragm: -10 / 90 °C.
Suitable for addition of glycol-based anti-freeze up to 50%.
A flexible rolling diaphragm with a ribbed profile prevents sticking and encourages inflow at the slightest pressure rise, while a nitrogen pre-charge helps maintain set pressure longer. The uncoated connection thread supports quick, watertight installation.
- Rolling-diaphragm design for smooth expansion control
- Nitrogen pre-charge for extended pre-pressure retention
- Top-quality steel with epoxy-powder finish
- Factory tested for reliability
Built for long service life in domestic, commercial and industrial plant rooms, with continuous medium temperatures from −10 to 70 C.
1 week lead time
Free Standard Delivery
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16593
Flamco - 600 Ltr - Flexcon Top Expansion Vessel - 10 barFlamco Flexcon Expansion Vessel - 600Ltr - Engineered for EN 12828 heating and chilled-water systems, this Expansion Vessel stabilises sealed system pressure by absorbing thermal expansion in LPHW/CHW applications.
Maximum working pressure: 10.0 bar.
Vessels in accordance with EN13831.
Suitable for systems with a maximum system temperature of 120 °C.
Minimum/maximum temperature diaphragm: -10 / 90 °C.
Suitable for addition of glycol-based anti-freeze up to 50%.
A flexible rolling diaphragm with a ribbed profile prevents sticking and encourages inflow at the slightest pressure rise, while a nitrogen pre-charge helps maintain set pressure longer. The uncoated connection thread supports quick, watertight installation.
- Rolling-diaphragm design for smooth expansion control
- Nitrogen pre-charge for extended pre-pressure retention
- Top-quality steel with epoxy-powder finish
- Factory tested for reliability
Built for long service life in domestic, commercial and industrial plant rooms, with continuous medium temperatures from −10 to 70 C.
In stock
Free Standard Delivery
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16793
Flamco - 800 Ltr - Flexcon Top Expansion Vessel - 10 barFlamco Flexcon Expansion Vessel - 800Ltr - Engineered for EN 12828 heating and chilled-water systems, this Expansion Vessel stabilises sealed system pressure by absorbing thermal expansion in LPHW/CHW applications.
Maximum working pressure: 10.0 bar.
Vessels in accordance with EN13831.
Suitable for systems with a maximum system temperature of 120 °C.
Minimum/maximum temperature diaphragm: -10 / 90 °C.
Suitable for addition of glycol-based anti-freeze up to 50%.
A flexible rolling diaphragm with a ribbed profile prevents sticking and encourages inflow at the slightest pressure rise, while a nitrogen pre-charge helps maintain set pressure longer. The uncoated connection thread supports quick, watertight installation.
- Rolling-diaphragm design for smooth expansion control
- Nitrogen pre-charge for extended pre-pressure retention
- Top-quality steel with epoxy-powder finish
- Factory tested for reliability
Built for long service life in domestic, commercial and industrial plant rooms, with continuous medium temperatures from −10 to 70 C.
In stock
Free Standard Delivery
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16893
Flamco - 1000 Ltr - Flexcon Top Expansion Vessel - 10 barFlamco Flexcon Expansion Vessel - 1000Ltr - Engineered for EN 12828 heating and chilled-water systems, this Expansion Vessel stabilises sealed system pressure by absorbing thermal expansion in LPHW/CHW applications.
Maximum working pressure: 10.0 bar.
Vessels in accordance with EN13831.
Suitable for systems with a maximum system temperature of 120 °C.
Minimum/maximum temperature diaphragm: -10 / 90 °C.
Suitable for addition of glycol-based anti-freeze up to 50%.
A flexible rolling diaphragm with a ribbed profile prevents sticking and encourages inflow at the slightest pressure rise, while a nitrogen pre-charge helps maintain set pressure longer. The uncoated connection thread supports quick, watertight installation.
- Rolling-diaphragm design for smooth expansion control
- Nitrogen pre-charge for extended pre-pressure retention
- Top-quality steel with epoxy-powder finish
- Factory tested for reliability
Built for long service life in domestic, commercial and industrial plant rooms, with continuous medium temperatures from −10 to 70 C.
In stock
Free Standard Delivery















