2x Winkelmann Expansion Tank – 12L (Model HV12E) This is a 12-liter expansion tank from Winkelmann, used in heating systems to keep pressure stable. • Max pressure: 3 bar • Max temp: 90°C • Pre-filled pressure: 1.0 bar • Made in 2022 ⚠️ Do not open the valve – filled with nitrogen! Great for home heating systems. Easy to install and reliable.
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