Varem UR19231CS000000 - Expansion Vessel (18L)
Other variants
- 18L Extravarem LR expansion vessel
- 3/4" GAS ISO 228/1 connection
- 6 bar max pressure, 9 bar test pressure
- Fixed diaphragm with galvanised steel flange
- Suitable for air+water circuits
- PED Category I
- Very compact: Ø 270 mm, height 420 mm
Compact pressure control for heating and cooling systems
The Varem UR19231CS000000 18L expansion vessel stabilises system pressure in closed heating and cooling circuits by absorbing volume changes caused by temperature fluctuations.
Extravarem LR construction
Featuring a fixed diaphragm and galvanised steel flange, this compact 18L model (Ø 270 mm, height 420 mm) is ideal for installations where space is limited.
Technical performance as shown in the drawing
According to page 1 of the official drawing, the vessel has a 6 bar max operating pressure, 9 bar test pressure and a preset of 1.5 bar. This makes it suitable for modern boiler and heat pump systems.
Easy installation with 3/4" connection
The 3/4" GAS ISO 228/1 connection allows quick integration with standard pipework. Suitable accessories can be found under connection materials.
For heating, heat pump and cooling applications
The medium specification “air + water” makes this vessel suitable for multi-purpose systems. Pair it with heat pumps or buffer tanks for a complete installation.
Need help with vessel sizing? Hewa supports installers with professional advice and configuration assistance.
| Generals | |
|---|---|
| Item number | 463118 |
| EAN Code | 512239405 |
| Price excl. VAT | € 50,70 |
| Price incl. VAT | € 61,35 |
| Sizes ((LxWxH):) | 29 x 29 x 44 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 | 6 bar |
| Test pressure | 9 bar |
| Werktemperatuur [°C] | –10 °C to +99 °C |
| Diameter | 270 mm |
| Height | 420 mm |
| Weight | 3.3 kg |
| Diaphragm | fixed |
| Casing material | galvanised carbon steel |
| PED category | I |