![Potterton 5114691 8L Expansion Vessel, Fits Gold/Heatmax/Promax/Titanium 15 18 24 28 32 kW (Replaces CIMM RP250) - Hanicks [Energy Class A+++]](https://m.media-amazon.com/images/I/61h8Utt96tL._AC_SL3840_.jpg)







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The Potterton 5114691 8L Expansion Vessel is a high-quality, metal pressure vessel designed for select Potterton combi and system boilers. Pre-charged at ~0.5 bar and rated for up to 3 bar pressure, it effectively cushions pressure fluctuations in sealed central heating systems up to 125L volume. Compact and lightweight, it requires professional Gas Safe installation to ensure optimal performance and system safety. Compatible with multiple Potterton models, it supports energy-efficient boiler operation with an A+++ rating.
| Manufacturer | Hanicks |
| Part Number | 5114691 |
| Product Dimensions | 43.8 x 25 x 8.5 cm; 4.5 kg |
| Item model number | 5114691 |
| Size | 8 Litre |
| Colour | Red |
| Style | 5114691 Expansion Vessel |
| Finish | Red |
| Material | Metal |
| Shape | Rectangular |
| Installation method | By heating engineer |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Maximum Pressure | 3 Bars |
| Capacity description | 8 |
| Number Of Holes | 1 |
| Usage | Indoor |
| Included Components | 1x 5114691 Expansion Vessel |
| Item Weight | 4.5 kg |
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