When was the last time you had your water heater flushed? For Snellville homeowners, annual maintenance can add years to your equipment's lifespan and keep it running efficiently. Call now to schedule your water heater maintenance. Keep Smiling Plumbing, Electric, Heating & Cooling returned to service a unit we installed three years ago, draining sediment buildup and checking the expansion tank and pressure relief valve. We found everything functioning properly with pressure at 70 psi. Regular checkups like this catch small problems early and help you avoid unexpected breakdowns when you need hot water most.