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Grandaire GB5BM

All Year Cooling Grandaire Gb5Bm
  • Durable, attractive cabinet
  • Plastic drain pan
  • Multi-poised
  • Multi-speed
  • Ease of service
  • Plug-in heater kits
  • Circuit Board
  • Air handler control board
  • Breaker accessibility
  • No fasteners on sides or back
  • 5 year all parts warranty


The Grandaire GB5BM air handler features a durable, attractive cabinet to help guard to internal components of this Grandaire air handler from damage. The Grandaire GB5BM’s plastic drain pan is corrosion-resistant.

The Grandaire GB5BM is multi-poised and may be used in upflow, downflow, horizontal and vertical applications. This Grandaire air handler is also multi-speed to allow for flexibility during installation. Ease of service with the Grandaire GB5BM is achieved through the use of plug-in wire connections and a built-in filter rack. Plug-in heater kits are available in 5 kW to 30 kW with this Grandaire air handler, but may not be used in 115 Volt models.

The Grandaire GB5BM’s circuit board incorporates blower time delay relays, low voltage terminal strip and heat-strip sequencing. The Grandaire GB5BM’sair handler control board controls time-sequencing of heat stages with sequencing timing that is field selectable.

Additional Benefits:

Grandaire GB5BM Air Handler

Breaker accessibility from the front of the Grandaire GB5BM when the heater is applied allows for added convenience with this Grandaire air handler. There are no fasteners on the sides or back of the Grandaire GB5BM for ease during installation.

A 5 year all parts warranty backs the Grandaire GB5BM air handler.

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