Furnish and install commercial 3/8 in outlet, white powder coated metal ice maker and dishwasher outlet box with 2 in drain. Box shall have a 3/8 in outlet, quarter turn hammer arrester valve meeting Lead-Free requirements NSF61-NSF/ANSI 372. Valve complies with ASSE 1010. Valve may be installed in any knockout of the outlet box. Unit shall be Guy Gray™ product code manufactured by IPS corporation.