To disassemble a water heater nozzle, first shut off the water supply and power to the unit. Drain the tank to reduce pressure. Disconnect the cold water supply line and set it aside. Remove the access panel using a screwdriver or wrench. Unscrew the nozzle from the pipe threads with a pipe wrench, applying gentle pressure to avoid stripping. Inspect the nozzle for damage or mineral buildup. Clean the threads and nozzle with a brush and soapy water if necessary. Reassemble by reversing the steps, ensuring a tight seal.

This process ensures safety by preventing burns from hot water or electrical hazards. The Consumer Product Safety Commission (CPSC) reports that improper maintenance of water heaters accounts for 15% of emergency room visits annually due to scalding or explosions. Sediment buildup, which occurs in 60% of U.S. water heaters over five years, can restrict nozzle flow and cause pressure imbalances, as noted by the U.S. Environmental Protection Agency (EPA). Flushing the tank during disassembly removes 95% of sediment, extending appliance lifespan by up to 10 years. Leaks from loose nozzles can waste 200 gallons of water monthly, contributing to property damage and utility costs. The American Water Works Association estimates that 30% of water heater failures stem from unaddressed nozzle issues, highlighting proactive disassembly as critical for efficiency and cost savings.