Customer Questions and Answers for Spray Arm (Upper, Heatseal) by Whirlpool

Upper spray arm with heatseal that restores water distribution to the dishwasher's upper rack for improved cleaning and rinsing. Replace a worn, cracked, clogged, or leaking upper spray arm to recover normal spray coverage. What it does:

• Directs pressurized spray to the upper rack so dishes and glassware rinse and wash more effectively; use when cleaning is inconsistent.
• Replaces cracked, bent, or clogged spray arm that no longer spins or sprays evenly.
• Includes a heatseal to help maintain a proper seal at the mounting area and prevent dripping or loss of water pressure.
• Helps eliminate symptoms like poor cleaning, visible water pooling, or uneven rinse patterns.

• Always disconnect power to the dishwasher (unplug or switch off the circuit breaker) before servicing.
• Empty and remove the upper rack to access the spray arm; inspect the mounting area and rotor for debris before installing.
• Installation is typically straightforward; confirm the attachment method for your model and use only OEM-recommended orientation.
• After installation, run a short cycle to check for leaks.