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What comes in the box with an AC heat pump unit?

The box includes the main outdoor air-conditioning unit, the plenum assembly for inside the RV, and all necessary mounting hardware and filters. Everything needed for a standard installation, bolts, brackets, gaskets, and screws, is included.

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Standard System Installation Parts List


Main parts:

  1. BELAIRE air-conditioner outdoor unit ×1

  2. Outlet gasket ×1(In A3501/A3800 modes, the outlet gasket is fixed to the outdoor unit)

  3. Outlet air duct ×1

  4. Plenum mounting bracket ×1

  5. Return air filters ×2

  6. Plenum assembly ×1

  7. M8 × 120mm hex head bolts ×4 (T3500)M8 × 180mm hex head bolts ×4 (A3501/A3800)

  8. Metal clamping bars ×4

  9. Large M8 washers ×4

  10. Truss head tapping screws ST4×10 ×8

  11. Plenum screw – ST4.2×19 pan head screws ×4

  12. Countersunk head self tapping screws ST4.2×16 ×6

Corky Lorenz

November 4, 2025

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