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The AO Smith Hot Water Recirculation System, model 100306290, is built for use with tank-type water heaters, requiring a dedicated return line for proper installation. This system is ideal for both new constructions and retrofitting in existing homes. It features automatic operation through integrated sensors and switches, ensuring that hot water is consistently available at the faucet.
This system enhances comfort by delivering hot water quickly, reducing wait times.
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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