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The A. O. Smith 100112339 is a propane gas control valve designed for the GCV40, XGV40, and XCR50 residential gas water heaters. This valve regulates the flow of gas, ensuring efficient operation of the water heater. It is essential for maintaining safe and reliable performance of your heating system.
This control valve is integral to the functioning of gas water heaters, providing precise gas flow control, which leads to improved efficiency.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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