The Washington Pre-instruction Checklist for Potable Water Heaters ASHEME "HLW" Stamped Water Heaters is used to ensure that these water heaters meet the safety standards set by the American Society of Mechanical Engineers (ASHE). This checklist covers a variety of safety and operational inspections, including the following: External Inspections: • Pressure and Temperature Relief Valve: Check for proper operation and correct sizing of the pressure and temperature relief valve • Temperature and Pressure Gauge: Inspect for proper operation and accuracy • Connections: Verify that all external connections are secure and in good condition • Leakage: Check for any signs of leaks • Accessibility: Ensure that all external components are easily accessible Internal Inspections: • Tank: Inspect the water heater tank for corrosion, warping, or other signs of damage • Anode Rods: Check the anode rods for corrosion and replace if necessary • Burner: Check the burner for proper functioning and cleanliness • Flue Pipe: Inspect the flue pipe for any blockages or corrosion • Thermostat: Verify that the thermostat is working correctly • Shutoff Valves: Ensure that the shutoff valves are functioning properly • Connections: Verify that all internal connections are secure and in good condition The Washington Pre-instruction Checklist for Potable Water Heaters ASHEME "HLW" Stamped Water Heaters provides an essential tool for ensuring the safety and proper operation of these water heaters. This checklist is applicable for all types of ASHE "HOW" stamped water heaters, including gas, electric, and tankless water heaters.