Homeowner wanted us to drain and flush the 40 gallon natural gas water heater in the garage. Signed off on the membership but did not want the KCM inspection performed only draining and flushing of the water heater. Unplugged the recirculating pump. Shutoff water to the home from the main shutoff valve next to the softener. Opened T&P. Turned water heater to pilot mode. Connected pump and hose to water heater. A small amount of water was flowing through the drain valve due to sediment build up. Water heater was installed in 2006-2007. After draining water heater I closed the drain valve and opened the water main to agitate the sediment at the bottom of the tank. I then shutoff water and drained the remaining water from the tank. When filling the tank back up the drain valve has a small drip. Removed air from the lines. Reconnected recirculating pump. Gave the customer an option for drain valve replacement, water heater replacement, and tankless replacement. The customer would like to t