| Document | Action |
|---|---|
| Technical data | |
| Technical data PDF | Download |
Zilmet Zilflex H UR0252509CS0000 - Expansion Vessel (25L)
Price excl. VAT€ 62,30Price incl. VAT€ 75,38
Another 1 In stock
Compact 25L expansion vessel with 1.5 bar preset pressure and 3/4" connection. Suitable for heating and cooling systems.
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Other variants
- 25L Zilflex H-series vessel
- 1.5 bar preset pressure / 4 bar max pressure
- 3/4" threaded connection
- EN 13831 & EN 12828 compliant
- –10 °C to +110 °C operating range
- Durable steel body with heat-resistant diaphragm
- Ø 324 mm × height 415 mm
Reliable pressure control for heating and cooling systems
The Zilmet Zilflex H UR0252509CS0000 (25L) expansion vessel ensures stable operation by absorbing pressure fluctuations in closed circuits.
Zilflex H construction
Built with a robust steel shell, fixed diaphragm and red protective coating, the Zilflex H line is engineered for long service life.
Certified technical performance
With a 1.5 bar preset pressure, 4 bar max working pressure and compliance with EN 13831 and EN 12828, this vessel fits modern boiler systems perfectly.
Compact and easy to install
The 3/4" connection ensures quick integration with fittings under connection materials. Its compact size is ideal for tight spaces.
Suitable for a wide range of systems
Combine the vessel with solutions from heat pumps or buffer tanks to create a complete installation.
Hewa is always available for sizing and technical advice.
| Generals | |
|---|---|
| Item number | 320925 |
| EAN Code | 1302002500 |
| Price excl. VAT | € 62,30 |
| Price incl. VAT | € 75,38 |
| Sizes ((LxWxH):) | 32,4 x 32,4 x 41,5 cm |
| Specification list | |
| Connection | G 3/4" M GAS (ISO 228/1) |
| Voordruk [bar] | 1.5 bar (range 0.5–3.5 bar) |
| Max. pressure | 4 bar |
| Werktemperatuur [°C] | –10 °C to +110 °C |
| Diameter | 324 mm |
| Height | 415 mm |
| Weight | 11 kg |
| Diaphragm | fixed |
| Casing material | galvanised carbon steel |
| PED category | I |