This video provides step-by-step repair instructions for replacing the gas valve and thermostat assembly on an AO Smith gas water heater. The most common reasons for replacing the gas valve and thermostat are when the water heater is too hot or does not heat.
All of the information for this gas valve and thermostat replacement video is applicable to the following brands: AO Smith
Tools used: flat head screwdriver, pipe wrench, adjustable wrench, sealant
