The Tappan FT4BE is a high-efficiency heat pump with an efficiency rating of up to 15 SEER and 8.5 HSPF. It is an Energy Star rated single-stage unit matched to a variable-speed indoor blower. The system is protected by high- and low-pressure switches, and a field-installed liquid line filter drier prevents damage from dirt and moisture. A permanently-lubricated motor requires no maintenance and combines with swept-wing fan blades and a sound-absorbing composite base pan to reduce operating sound levels to as low as 72 decibels. All-aluminum micro-channel coils are designed for increased resistance to corrosion, and side access panels make servicing the unit easier. A galvanized steel louvered jacket with a polyurethane finish is 950-hour salt spray tested to provide protection against corrosion and weather hazards.
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