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Grandaire JT4BD

All Year Cooling Grandaire Jt4Bd
  • 13 SEER
  • R-410A refrigerant
  • Copper tube/aluminum fin coils
  • Permanently lubricated motor
  • High pressure switch
  • One piece top
  • Galvanized steel cabinet
  • Complete metal wrapper
  • Composite base pan
  • Five minute restart time delay
  • Removable top grille assembly
  • Easy compressor and control access
  • 10 year all parts warranty; 1 year quality pledge


The Grandaire 13 SEER JT4BD heat pump works at 13 SEER. This Grandaire 13 SEER system may reduce annual cooling costs by hundreds of dollars for those who upgrade to the Grandaire 13 SEER JT4BD.

R-410A refrigerant is used with this Grandaire 13 SEER system to replace R-22. R-410A used with the Grandaire 13 SEER JT4BD does not sacrifice comfort provided by this Grandaire 13 SEER system despite its Earth-friendly tag.

The Grandaire 13 SEER JT4BD’s copper tube/aluminum fin coils are used to optimize heat transfer and to improve the durability and reliability of this Grandaire 13 SEER system. The Grandaire 13 SEER JT4BD’s permanently lubricated motor does not require maintenance and provides quiet operation. The Grandaire 13 SEER JT4BD’s high-pressure switch guards against abnormally high system pressures.

Additional Benefits:

Grandaire 13 SEER JT4BD

Galvanized steel is used to construct the Grandaire 13 SEER JT4BD’s cabinet and protect this Grandaire 13 SEER system’s internal components from damage. The Grandaire 13 SEER JT4BD’s complete metal wrapper protects the coil from external hazards, while the Grandaire 13 SEER JT4BD’s composite base pan is corrosion-resistant is sound-absorbing.

Five-minute restart time delay with this Grandaire 13 SEER system prevents the compressor from restarting for five minutes after a system shutdown. The Grandaire 13 SEER JT4BD’s removable top grille assembly allows for easier access to this Grandaire 13 SEER system from the top of the unit without disconnecting fan motor leads. Easy compressor and control access with this Grandaire 13 SEER system from the side of the unit makes for quicker, simpler repairs and service.

A 10 year all parts warranty and 1 year Quality Pledge back the Grandaire 13 SEER JT4BD.

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