Founded in 1938, GUARESKI is located in the industrial region of Vimeu in Picardy Maritime, the cradle of French fittings and locksmithing. It has been able to evolve by modernizing its machine park and over the years offer faucet products really adapted to the needs of building professionals. Making taps requires listening to our markets and the needs expressed by our customers. The building professionals have requirements of quality, practicality, safety and ease of installation to which we have been able to provide concrete answers appreciated by the users. From upstream metering to downstream distribution, all functions are covered by our product lines. Our many innovations have allowed us to propose solutions adapted to all concrete cases. Why choose the GRK fittings made in France? A long-term commercial relationship Pressure reducer13 Products Protection and safety52 Products Domestic fittings40 Products Sanitary fittings58 Products "Ready-to-place" solutions24 Products Plumbing fittings62 Products Traversée de cloison arrivée droite Nouvelle traversée de cloison arrivée droite qui facilitera vos installations sanitaires. PDF téléchargeable ! End of year closure from December 23, 2023 to January 2, 2024 We would like to inform you that the company will be closed for the 2023 end-of-year holidays… Traversée de cloison pour raccords multicouche Nouvelle traversée de cloison pour raccords multicouche qui facilitera vos installations sanitaires. PDF téléchargeable ! GRK vous souhaite une bonne année 2023 Refermant cette riche année 2022, GRK vous donne rendez-vous en 2023 qui devrait sans nul doute être aussi féconde… Choose your productsBrowse our online catalog, select the products that interest you in your wishlist and send us your request. It is easy and immediate. We will contact you shortly. Browse our online catalog, select the products that interest you in your wishlist and send us your request. It is easy and immediate. We will contact you shortly. Select your salespersonContact the sales representative in charge of your sector in the map below, he is there to answer your questions and advise you on the products. You can also leave a message for him to call you back. Contact the sales representative in charge of your sector in the map below, he is there to answer your questions and advise you on the products. You can also leave a message for him to call you back. Open your pro accountTo receive all information about you or your group, ask us to open an account. To receive all information about you or your group, ask us to open an account. Antilles Didier Guareschi Tel 06 73 88 96 47 dguareschi@grk.fr Afrique, Océan Indien Interepco Tel 01 47 57 51 95 Others Didier Guareschi Tel 06 73 88 96 47 dguareschi@grk.fr Office-based sales Sylvie Desgardins Tél : 00(33)3.22.61.23.09 sylvie.desgardins@grk.fr Somme Nicolas Poulain nicolas.poulain@grk.fr Tel 07 55 65 57 71 Fax 03 22 26 48 52 ADV : Aurore Nunc aurore.nunc@grk.fr Tel 03 60 04 40 52 Nord Nicolas Poulain nicolas.poulain@grk.fr Tel 07 55 65 57 71 Fax 03 22 26 48 52 Pas-de-Calais Nicolas Poulain nicolas.poulain@grk.fr Tel 07 55 65 57 71 Fax 03 22 26 48 52 Aisne Nicolas Poulain nicolas.poulain@grk.fr Tel 07 55 65 57 71 Fax 03 22 26 48 52 Hautes-Pyrénées Arnaud FRIDMAN arnaud.fridman@grk.fr Tel 07 57 17 96 72 Fax 03 22 26 48 52 ADV : Laure Flachet laure.flachet@grk.fr Tel 03 22 61 23 11 Gers Arnaud FRIDMAN arnaud.fridman@grk.fr Tel 07 57 17 96 72 Fax 03 22 26 48 52 Haute-Garonne Arnaud FRIDMAN arnaud.fridman@grk.fr Tel 07 57 17 96 72 Fax 03 22 26 48 52 Tarn-et-Garonne Arnaud FRIDMAN arnaud.fridman@grk.fr Tel 07 57 17 96 72 Fax 03 22 26 48 52 Ariège Arnaud FRIDMAN arnaud.fridman@grk.fr Tel 07 57 17 96 72 Fax 03 22 26 48 52 Tarn Arnaud FRIDMAN arnaud.fridman@grk.fr Tel 07 57 17 96 72 Fax 03 22 26 48 52 Aveyron Arnaud FRIDMAN arnaud.fridman@grk.fr Tel 07 57 17 96 72 Fax 03 22 26 48 52 Lot Arnaud FRIDMAN arnaud.fridman@grk.fr Tel 07 57 17 96 72 Fax 03 22 26 48 52 Pyrénées-Orientales Arnaud FRIDMAN arnaud.fridman@grk.fr Tel 07 57 17 96 72 Fax 03 22 26 48 52 Hérault Arnaud FRIDMAN arnaud.fridman@grk.fr Tel 07 57 17 96 72 Fax 03 22 26 48 52 Haute Corse Yoann Bellanger yoann.bellanger@grk.fr Tel 06 73 88 96 43 Fax 03 22 26 48 52 Corse-du-Sud Yoann Bellanger yoann.bellanger@grk.fr Tel 06 73 88 96 43 Fax 03 22 26 48 52 Oise Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 Prescription : Nicolas Poulain nicolas.poulain@grk.f Tel 07 55 65 57 71 ADV : Sylvie Desgardins sylvie.desgardins@grk.fr Tel : 03 22 61 23 09 Seine-Maritime Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 Eure Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 Eure-et-Loir Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 Yvelines Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 Val-d’Oise Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 Essonne Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 Seine-et-Marne Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 Hauts-de-Seine Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 Seine-St-Denis Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 Val-de-Marne Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 Paris Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 Loiret Sylvain Brandy sylvain.brandy@eaurka.fr Tel 06 44 31 65 05 Aude Arnaud FRIDMAN arnaud.fridman@grk.fr Tel 07 57 17 96 72 Fax 03 22 26 48 52 Yonne Sylvain Brandy sylvain.brandy@eaurka.fr Tel 06 44 31 65 05 Nièvre Sylvain Brandy sylvain.brandy@eaurka.fr Tel 06 44 31 65 05 Prescription : Hervé Carroué herve.carroue@eaurka.fr Tel 06 45 03 41 60 Cher Sylvain Brandy sylvain.brandy@eaurka.fr Tel 06 44 31 65 05 Indre Sylvain Brandy sylvain.brandy@eaurka.fr Tel 06 44 31 65 05 Loir-et-Cher Sylvain Brandy sylvain.brandy@eaurka.fr Tel 06 44 31 65 05 Indre-et-Loire Sylvain Brandy sylvain.brandy@eaurka.fr Tel 06 44 31 65 05 Calvados Laurent Helie laurent.helie@grk.fr Tel 06 40 43 58 08 ADV : Sylvie Desgardins sylvie.desgardins@grk.