The Maytag PSJ4BD is a discontinued high efficiency heat pump with an efficiency rating of up to 14 SEER and 8.5 HSPF. It was equipped with a permanently lubricated motor for low maintenance and quiet operation. A one-piece top/orifice and louvered condenser guard protected the unit while reducing noise levels, and a removable top grille assembly allowed easy access for servicing. High and low pressure switches protected against high system pressures and loss of refrigerant charge. A composite base pan absorbed sound while resisting corrosion.
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