. Not applicable to the external pilot. . Not applicable to the external pilot. Note) The SUP and EXH block plates cannot be used for the 2 stations integrated type manifold block. Manifold Option Parts . Plug-in type, Non plug-in type Individual SUP spacer: VVFS2000(R)-P-01 02-1 (Plug-in type) VVFS2000(R)-P-01 02-2 (Non plug-in type) Individual EXH spacer: VVFS2000(R)-R-01 02-1 (Plug-in type) VVFS2000(R)-R-01 02-2 (Non plug-in type) SUP block plate: AXT625-12A EXH block plate: AXT625-12A Throttle valve spacer: VVFS2000-20A-1 (Plug-in type) VVFS2000-20A-2 (Non plug-in type) Release valve spacer: VVFS2000-24A-1R L (Plug-in type) VVFS2000-24A-2R L (Non plug-in type) Double check spacer: VVFS2000-22A-1 (Plug-in type) VVFS2000-22A-2 (Non plug-in type) Interface regulator: ARBF2000-00-P-1 (Plug-in type) ARBF2000-00-P-2 (Non plug-in type) Air shutoff valve spacer: VVFS2000-21A-1 (Plug-in type) VVFS2000-21A-2 (Non plug-in type) Note) VVFS2000-24A- R/D-side mounting. 12 Individual SUP spacer Interface regulator Individual EXH port Block plate Throttle valve spacer Release valve spacer Valve VFS21�ｭ0 (Single) SUP port Double check spacer EXH port Air shutoff valve spacer SUP port 1498 Series VFS2000