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AO Smith 100226721 O-ring is designed for use in residential plumbing systems, specifically with water heaters. It replaces existing O-rings in anti-scale products to ensure proper sealing and function.
This O-ring is essential for maintaining the integrity and efficiency of your water heating system.
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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