72 6' hose in place of 5' hose A Anchor plate to simplify mounting on ceramic tile (4-151, 4-150, 4-295 heads) B30 30" adjusting bar in place of wall hook on hand spray units B48 48" adjusting bar in place of 30" bar on hand spray units BB Back plate and thru bolts for extra thick wall up to 6". Specify dimension for thicker walls, (4-151, 4-150, 4-295 heads) BX Back connection, integral stops E External volume control on shower head K Lever diverter (4-458) in place of push button (4-451) NU NU-Arm head bracket in place of 300 arm and flange QD Quick-disconnect on hand spray units R White vinyl hose in lieu of metal hose T Toe tester in place of tub spout VB Elevated vacuum breaker with wall flanges in place of in-line vacuum breaker X Integral service stops - allows water shut off at valve for service. Recommended for use on all multiple commercial installations X-CHKS Integral check stops - for use in installations where a positive shut-off device is used downstream of mixing valve |