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The BURNHAM 8116321 is a four-inch automatic vent damper designed for use with Burnham 202, 203, and IN3 boilers. It features an aluminum base and includes an 8136289 harness along with a loose knockout. This component controls the flow of air in heating systems.
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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