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8V Recommended Charge/Discharge Current 25A Max Charge/Discharge Current 50A Continuous Power ≈ 11
and resistant to UV
as well as fully off‑grid installations
5 EER (max) 4
180–300L
Vaillant Solar Discharge Vessel 0020145563 instant hot water tap 8V Recommended Charge/Discharge Current 25AThe Vaillant Solar Discharge Vessel (article number 0020145563) is a compact, wall mounted glycol collection vessel designed for use with Vaillant aroTHERM heat pump systems. Its purpose is straightforward but essential: when a heat pump system's Pressure Relief Valve (PRV) opens, glycol based antifreeze is discharged from the sealed heating circuit. Without a dedicated collection vessel, this glycol would enter the drainage system which is
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