Fleck 2910/1650 has a 3/8in Diameter Brine Line. For 1/2in Brine Line choose SP2910/1710 kit

SP2910/1650 Kit comprises of

28416 - 1 x Piston assembly 2910 Upper Standard & Hot Water
28415 - 1 x Seal & Spacer Kit 2510/2750/2900
28413 - 1 x Piston assy 2910 Lower NBP
24205 - 1 x Seal & Spacer Kit 2900 Lower
21617 - 1 x Kit Brine Valve 1600 Assy 2750/2900
23304 - 1 x Injector Body Gasket
10229 - 1 x Injector Cover Gasket
13575 - 1 x O'Ring Top Of Tank 2910,3150
13577 - 1 x Riser Tube O'Ring 2910/2850/9500
10218 - 4 x Microswitch
10896 - 2 x Microswitch
15320 - 1 x Microswitch

SP2900/1700 Kit comprises of

28416 - 1 x Piston assy 2910 Upper Standard & Hot Water
28415 - 1 x Seal & Spacer Kit 2510/2750/2900 Upper
28413 - 1 x Piston assy 2910 Lower NBP
24205 - 1 x Seal & Spacer Kit 2900 Lower
28426 - 1 x BRINE VALVE 1710 REPAIR KIT 2750/2910
23304 - 1 xI njector Body Gasket
10229 - 1 x Injector Cover Gasket
13575 - 1 x O'Ring Top Of Tank 2910,3150
13577 - 1 x Riser Tube O'Ring 2910/2850/9500
10218 - 4 x Microswitch
10896 - 2 x Microswitch
15320 - 1 x Microswitch