921154 Nordyne B6BMM060K-C Air Handler 5 ton

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Nordyne / Nortek B6BMM060K‑C is a 5‑ton, 13‑SEER, multi‑poise air handler (OEM part 921154) used in residential and light‑commercial split‑system applications.

• Model: B6BMM060K‑C

• OEM Part Number: 921154

• Brand: Nortek / Nordyne / Broan / Miller (same platform)

• Capacity: 5 tons (60,000 BTU/hr)

• SEER: 13 SEER (matched with proper outdoor unit)

• Refrigerant: R‑410A (TXV‑metered)

• Airflow: Multi‑position (upflow, downflow, horizontal left/right)

• Motor: 3/4 HP, 5‑speed PSC blower

• Coil Type: All‑aluminum micro‑channel evaporator coil

Dimensions & Line Sizes

Grounded from Nortek’s buying guide and J.H. Larson:

• Height: 56–56.8″

• Width: 22.5″

• Depth: 22″–24.2″

• Suction Line: 7/8″

• Liquid Line: 3/8″

• Filter Size: 18″ × 20″ × 1″

From Nortek’s B6BMM0 series documentation:

• Galvanized steel cabinet with polyester‑urethane corrosion‑resistant finish

• Multi‑poise installation flexibility

• Built‑in filter rack

• Plug‑in heater kits (5–30 kW)

• Blower time‑delay relay & heat‑strip sequencing board

• Smooth cabinet (no fasteners on sides/back) for easy install

• Meets Florida Building Code 610.2.A.2 air‑leakage requirements

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Direct supersede is the:

⭐ B6BMM060K‑CP

• Same cabinet

• Same airflow

• Same 5‑ton capacity

• Same line sizes

• Updated production suffix (This is inferred from Nortek’s standard C → CP revision pattern and distributor cross‑references.)