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The Pentair Indoor Air Intake Kit with MPN 475971 is essential for heaters installed indoors where combustion air supply may be insufficient. This kit is designed for the Pentair ETi 400 Gas Heater, ensuring proper air supply for efficient operation.
This kit includes necessary components to facilitate adequate air intake and maintain heater performance.
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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