{"pageUrl":"https://www.vheatc.site/vaillant-cooling-plug-for-installers","title":"Vaillant Cooling Plug for Installers: Which Pack to Carry","lastModified":"2026-10-20","claims":[{"id":"identical","statement":"Vaillant parts 0020266328 and 0020269259 are the same cooling coding plug in different packaging.","source":"Side-by-side physical comparison of both parts by eBay seller boarder895 (same plug, connector and internal stamping)","hash":"sha256:09802c7e5dff208f6a2fafd1abac572196adaeb6d87c9e9360e361ec4b586565"},{"id":"listed-sizes","statement":"The Vaillant cooling coding plug is listed for aroTHERM Plus VWL 35/6, 55/6, 75/6, 105/6 and 125/6.","source":"The seller’s eBay listings for 0020269259 and 0020266328 (boarder895), October 2026","hash":"sha256:fb85710ef3436c3e12d7a14093fe8fc7071488751580fbbcd3a7b871aefb5de5"},{"id":"owner-settings","statement":"Owners report a \"cooling technology\" setting and an ESCO setting that had to be changed before cooling ran after the plug was fitted.","source":"Owner reports in the OpenEnergyMonitor community thread \"Vaillant AroTherm plus cooling?\", 2024–2025","hash":"sha256:cbab802d7319a31ab6e8a5aaa80b1deaa6be55479df99fa66b959725f2380128"}]}