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22003
Flamco - 400 Ltr - Flexcon M Expansion Vessel - 3-6 BarFlamco Flexcon M Expansion Vessel - 400Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.
It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.
- Replaceable butyl bladder for fast maintenance
- Pressure gauge and height-adjustable feet included
- Inspection flange for internal access
- Robust steel vessel with durable epoxy-powder finish
- Uncoated connection thread for easy, watertight installation
For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.
£3,097.52 RRP £2,013.38 £1,677.82
In stock
Free Standard Delivery
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22013
Flamco - 400 Ltr - Flexcon M Expansion Vessel - 6-10 BarBuilt for sealed heating and chilled-water circuits, the Flexcon M [10Bar] is a replaceable-bladder expansion vessel designed to stabilise system pressure in line with EN 12828.
It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while reducing cycling. Supplied with a pressure gauge, height-adjustable feet and an inspection flange for straightforward servicing.
- Replaceable bladder for fast maintenance and long service life
- Delivered ready to install: gauge and adjustable feet included
- Inspection flange for internal access
- Robust steel vessel with durable epoxy-powder finish
Larger Flexcon M models (12008000 Ltrs) can be fitted with a Flexvent Super for enhanced air removal.
£3,402.43 RRP £2,211.59 £1,842.99
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.