
GWS 8 Litre Heating Expansion Vessel c/w Bracket
The GWS Heatwave Expansion Vessel is designed specifically for closed-loop heating and hydronic systems (including underfloor heating, radiators, and solar thermal systems). Important: This vessel is NOT suitable for potable (drinking) water applications. It features a durable butyl diaphragm and is pre-charged with nitrogen, offering reliable pressure management within your heating system to accommodate thermal expansion and help maintain stable pressure. Supplied complete with a robust mounting bracket for secure installation.
Why Choose This Vessel?
Specifically engineered for UK heating systems, this WRAS-approved expansion vessel ensures compliance and reliable performance in non-potable water circuits. The included galvanised bracket offers hassle-free installation flexibility. Always ensure the pre-charge pressure matches your system requirements.
Key Features:
- Application: Heating Systems / Hydronic Systems (Non-Potable Water Only)
- Type: Diaphragm Expansion Vessel
- Diaphragm Material: Butyl Rubber
- Pre-charge Pressure: 3.5 bar (adjustable as required)
- Maximum Working Pressure (PS): 6 bar
- Maximum Working Temperature (TS): 99°C
- Connection: 3/4" BSP M
- Body Material: Carbon Steel
- Internal Lining: Epoxy Coating
Why Choose This Vessel?
Specifically engineered for UK heating systems, this WRAS-approved expansion vessel ensures compliance and reliable performance in non-potable water circuits. The included galvanised bracket offers hassle-free installation flexibility. Always ensure the pre-charge pressure matches your system requirements.
More Images




GWS 8 Litre Heating Expansion Vessel c/w Bracket
The GWS Heatwave Expansion Vessel is designed specifically for closed-loop heating and hydronic systems (including underfloor heating, radiators, and solar thermal systems). Important: This vessel is NOT suitable for potable (drinking) water applications. It features a durable butyl diaphragm and is pre-charged with nitrogen, offering reliable pressure management within your heating system to accommodate thermal expansion and help maintain stable pressure. Supplied complete with a robust mounting bracket for secure installation.
Why Choose This Vessel?
Specifically engineered for UK heating systems, this WRAS-approved expansion vessel ensures compliance and reliable performance in non-potable water circuits. The included galvanised bracket offers hassle-free installation flexibility. Always ensure the pre-charge pressure matches your system requirements.
Key Features:
- Application: Heating Systems / Hydronic Systems (Non-Potable Water Only)
- Type: Diaphragm Expansion Vessel
- Diaphragm Material: Butyl Rubber
- Pre-charge Pressure: 3.5 bar (adjustable as required)
- Maximum Working Pressure (PS): 6 bar
- Maximum Working Temperature (TS): 99°C
- Connection: 3/4" BSP M
- Body Material: Carbon Steel
- Internal Lining: Epoxy Coating
Why Choose This Vessel?
Specifically engineered for UK heating systems, this WRAS-approved expansion vessel ensures compliance and reliable performance in non-potable water circuits. The included galvanised bracket offers hassle-free installation flexibility. Always ensure the pre-charge pressure matches your system requirements.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The GWS Heatwave Expansion Vessel is designed specifically for closed-loop heating and hydronic systems (including underfloor heating, radiators, and solar thermal systems). Important: This vessel is NOT suitable for potable (drinking) water applications. It features a durable butyl diaphragm and is pre-charged with nitrogen, offering reliable pressure management within your heating system to accommodate thermal expansion and help maintain stable pressure. Supplied complete with a robust mounting bracket for secure installation.
Why Choose This Vessel?
Specifically engineered for UK heating systems, this WRAS-approved expansion vessel ensures compliance and reliable performance in non-potable water circuits. The included galvanised bracket offers hassle-free installation flexibility. Always ensure the pre-charge pressure matches your system requirements.
Key Features:
- Application: Heating Systems / Hydronic Systems (Non-Potable Water Only)
- Type: Diaphragm Expansion Vessel
- Diaphragm Material: Butyl Rubber
- Pre-charge Pressure: 3.5 bar (adjustable as required)
- Maximum Working Pressure (PS): 6 bar
- Maximum Working Temperature (TS): 99°C
- Connection: 3/4" BSP M
- Body Material: Carbon Steel
- Internal Lining: Epoxy Coating
Why Choose This Vessel?
Specifically engineered for UK heating systems, this WRAS-approved expansion vessel ensures compliance and reliable performance in non-potable water circuits. The included galvanised bracket offers hassle-free installation flexibility. Always ensure the pre-charge pressure matches your system requirements.














