Fontana Dax Matte Black Round Rain Shower Head FAQ
Branch Flushing, 1.75 GPM Testing & MasterClean Spray Balancing
This Matte Black round shower head combines a 9.875-inch metal spray
face, single-function 1.75 GPM rainfall delivery, MasterClean
easy-service nozzles, an adjustable swivel joint, and a standard
1/2-inch NPT connection for wall- or ceiling-arm installations.
Why must the shower branch be flushed before connecting the Matte Black spray head?
Flush the open 1/2-inch NPT branch until pipe scale, solder
particles, construction debris, and excess thread compound are
completely discharged. Debris entering the shower head can
obstruct internal passages and produce weak or uneven rainfall
across the spray face.
How should the threaded inlet be tightened without damaging the Matte Black finish?
Apply approved thread sealant sparingly and tighten through the
inlet connection rather than gripping the finished spray-face
body. Avoid toothed tools on exposed surfaces, complete the
watertight NPT joint first, and then use the swivel separately to
establish the required spray angle.
How should the specified 1.75 GPM flow rate be confirmed during commissioning?
Stabilize the system at normal dynamic pressure, purge trapped
air, and conduct a timed volumetric collection test at the shower
outlet. Reduced flow may indicate branch pressure loss, an
undersized supply, residual installation debris, mineral
accumulation, or restriction within the flow path.
What confirms balanced operation across the 9.875-inch MasterClean spray face?
Confirm uniform rainfall from the center and perimeter nozzles
without inactive outlets, directional jetting, pulsing, or weak
outer zones. Restricted MasterClean nozzles should be gently
wiped, followed by additional branch flushing and a complete
spray-pattern retest.