Check the listing for details. AV 1183/016 BITRON Intercom Button Panel M-INOX Series AV1183 For 16 Users. Condition: New. Listed at 247.65 USD. The art. 1487 cc provides that "The contracting parties can increase or decrease the effects of the guarantee and can also agree that the seller is not subject to any guarantee". This provision means that contracting parties can freely agree on different guarantee conditions and, in extreme cases, can even establish that no guarantee is due. However, according to the Ermellini, a clause for the exclusion or reduction of legal guarantee rights, however, should be expressly agreed and signed with double signature pursuant to art. 1341 civil code, as it clearly radically reduces the buyer's rights (Cass. 03.23.1993 n. 3418; 8.10.1976 n. 3345; 22.11.1982, n. 6011). However, there is a limit to the total exclusion of the guarantee: pursuant to paragraph 2 of the art. 1487 cc “the seller is alwa.