Zilmet OEM-PRO Carbon Steel Shell Heating Expansion Vessel 1/2" BSP, 6 Litre – Compact & Reliable Pressure Control
The Zilmet OEM-PRO 6 Litre Expansion Vessel is designed to maintain optimal pressure within closed heating systems, protecting your boiler and pipework from pressure fluctuations. Featuring a durable carbon steel shell and a high-quality butyl diaphragm, this compact vessel offers long-lasting performance and corrosion resistance in both domestic and commercial heating systems.
Its 1/2" BSP connection allows for easy integration into existing pipework, while the 6-litre capacity makes it ideal for small to medium-sized systems.
Why Choose Zilmet OEM-PRO 6L Expansion Vessel?
✔️ 6-litre capacity – Ideal for smaller central heating systems
✔️ Durable carbon steel construction – Corrosion-resistant and long-lasting
✔️ 1/2" BSP connection – Standard fitting for easy installation
✔️ Reliable pressure management – Prevents over-pressurisation and system damage
✔️ Compact design – Fits easily into tight spaces
✔️ Manufactured by Zilmet – A trusted brand in pressure vessels and heating components
Key Features
-
Carbon steel shell with epoxy powder coating
-
Pre-charged air pressure (usually 1.5 bar, adjustable)
-
Replaceable internal butyl diaphragm
-
Suitable for sealed central heating systems
-
Helps absorb thermal expansion and maintain pressure
-
Wall or floor mountable (brackets sold separately if required)
Key Specifications
-
Brand: Zilmet
-
Model: OEM-PRO
-
Product Type: Heating Expansion Vessel
-
Material: Carbon steel body, butyl diaphragm
-
Connection Size: 1/2" BSP
-
Capacity: 6 Litres
-
Pre-Charge Pressure: Approx. 1.5 bar (adjustable)
-
Maximum Working Pressure: Typically 3 bar (check label for model specifics)
-
Orientation: Horizontal or vertical (depending on installation)
-
Warranty: Manufacturer’s standard warranty
What’s Included?
-
1 x Zilmet OEM-PRO 6 Litre Expansion Vessel (1/2" BSP)
-
Instruction manual (if provided by the manufacturer)
✨ Compact, robust, and efficient, the Zilmet OEM-PRO 6L Heating Expansion Vessel is the perfect choice for protecting your sealed system and ensuring long-term performance and safety.
| SKU | |
| Brand | Zilmet |
| Manufacturer ID | 13Q0000600 |
| Height | |
| Width | |
| Length | |
| Colour | |
| Size (mm) | |
| Finish | |
| Material | Carbon Steel |
| Thickness | |
| Projection | |
| Flush Type | |
| Quick Release Seat | |
| Soft Close Seat | |
| Product Highlights | |
| Depth | |
| Fuel Type | |
| Pipe Centres | |
| Wall To Pipe Centres | |
| Heat Output BTUs (Delta T60) | |
| Heat Output Watts (Delta T60) | |
| Heat Output Watts (Delta T50) | |
| Supplied With | |
| Style | |
| erp rating | |
| Radiator Panels / Columns |