{"pageUrl":"https://www.vheatc.site/vaillant-0020266328-vs-0020269259","title":"Vaillant 0020266328 vs 0020269259","lastModified":"2026-05-22","claims":[{"id":"identical","statement":"Vaillant part numbers 0020266328 and 0020269259 are the cooling coding resistor and are functionally and electrically identical and interchangeable.","source":"Vaillant spare-parts references for the cooling coding plug","hash":"sha256:461bdb4a459f28aa067bb863b0d2d3c3db09e94ee3e07e304bc1dae64e1122c3"},{"id":"either-correct","statement":"Either part number is correct to order; the component performs the same cooling-authorisation function in both cases.","source":"Vaillant installer documentation for aroTHERM cooling","hash":"sha256:af320fd2e496f85b97d2520198e205b16a0cf6767418e68fb312720ac55e4d2c"}]}