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The Hart & Cooley 16021 HAC3RS is a gas vent storm collar designed for use with double wall type B gas vent systems. This product is built with G90 galvanized steel for durability.
This storm collar is an essential component for proper installation of gas vent systems. It helps to prevent water ingress and maintains the integrity of the vent 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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