View visual findings from this job here - https://visionshare.xoi.io/?id=XA-57DC-630DAADF5D5747F0863596AAFE006BCD Perform maintenance on Lochinvar gas water boiler: At arrival, customer states that the relief valve has been dripping water for the past two years since the expansion tank and relief valve for last replaced. Power to the boiler * Removed boiler cover doors to access components * Vacuumed and dusted out burner tubes and under burners and cabinet * Vacuum and dusted electrical cabinets and components * Vacuumed and dusted piping and components * Removed pilot assembly * Cleaned spark igniter and flame sensor with copper bristle brush, and polished clean with steel wool * Reinstalled pilot assembly * Secured and inspected electrical wiring and components * Tested / inspected expansion tank, water feed, back flow, and relief valve * Inspect flue piping and damper motor * Return power to equipment * Test heating: Call for heating on all three thermostats- All zone valves op