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The HART & COOLEY 016120 is designed for Type B gas vent systems. This four-inch round wall thimble is made of steel and ensures safety by providing clearance to combustibles during vent pipe installation. It is compatible with gas-fired appliances that require Type B gas vents in both neutral and negative draft applications. The adjustable sleeve accommodates wall thicknesses from three to six inches.
The HART & COOLEY 016120 wall thimble is essential for safe gas venting in residential and commercial applications.
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