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The AO Smith 100320377 is a gas inlet for tankless gas systems, created for the X3 model. It connects gas to the tankless water heater. This unit is suitable for repairs and maintenance of compatible AO Smith tankless water heaters.
This gas inlet supports the operation of tankless water heating systems by ensuring a steady flow of gas.
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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