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Fin Comb

By , About.com Guide

Various Types of Fin Combs

Definition:
A fin comb is a specialty tool used to straighten the bent fins of a condensing unit for an air conditioning or heat pump system. Fins are made from delicate thin gauge metal and can get damaged by tree limbs or sticks, hail, high pressure power washing, and other factors.

Bent coil fins restrict air flow through the condensing unit and can cause problems such as making the unit run harder, decreasing the unit's efficiency, increase usage of electricity and in severe cases, may lead to early failure of the unit.

These tools may come with single, multiple or interchangeable heads that have different fin comb sizes and counts to best match the coil fin size of the repaired unit. Some six sided head models will work for 8, 9, 10, 12, 14 and 15 fins per inch coils. The comb is carefully drawn across the bent coil fins straightening them out in the process.

Also Known As: Coil Fin Tool

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