{"pageUrl":"https://www.vheatc.site/vaillant-flexotherm-cooling","title":"Vaillant flexoTHERM Cooling: Do You Need the Cooling Plug?","lastModified":"2026-10-20","claims":[{"id":"plug-listed-air-source","statement":"The Vaillant cooling coding plug (0020269259 / 0020266328) is listed for aroTHERM Plus air-source heat pumps, not for ground-source units.","source":"The seller’s eBay listings for 0020269259 and 0020266328 (boarder895), October 2026","hash":"sha256:0e5d1f42542caa3b84e49291bc6d6e6054aebcc11adcda0ad1dd219d03692865"},{"id":"flexotherm-radiators","statement":"Vaillant flexoTHERM operating instructions state that cooling mode with radiator heating systems is not permitted.","source":"Vaillant flexoTHERM operating instructions","hash":"sha256:fbbff2f78206fa9b5e98c5699978f1d00feac44291ba5df05fa78607ca9f28f3"},{"id":"source-dependent","statement":"Cooling on Vaillant ground-source heat pumps depends on the heat source arrangement and can be active or passive.","source":"Vaillant flexoTHERM installer documentation","hash":"sha256:a046d6468c8e2469011cdf0c2c81b90aba75f7ac3b85a2fb4a7353f174d4b5b6"}]}