American Standard, Air Damper, BAYDMPR Series, For THC048-120 Packaged Cooling Convertible 3-10 Ton Unit;TSC072-102 Packaged Cooling Convertible 3-10 Ton Unit;TSC120F Packaged Cooling Convertible 3-10 Ton Unit;WSC060-120E Packaged Heat Pump Convertible 3-10 Ton Unit;YSC072-120 Packaged Gas/Electric Convertible 3-10 Ton Unit;YHC048-060 Packaged Gas/Electric Convertible 3-10 Ton Unit;YHC047-067 Packaged Gas/Electric Convertible 3-10 Ton Unit