Description
This is a brand new OEM A.O. Smith State Reliance Lochinvar upgraded Gas Valve. It replaces the part numbers listed below.
The gas valve is a low voltage control (usually 24 VAC) that allow gas into the combustion chamber.  It is also an adjustable regulator that insures proper gas pressure for combustion.  They have a manual shut off.  
Replaces:
WV8840B1158 WV8840B1158/U

Repair Difficulty Level


Partial list of Model numbers that use this part:
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