pvc gypsum board suspended spring loaded press open ceiling access panel. The frame are high quality extruded aluminum sheet construction with advantages of corrosion resistance and rigidity. It consists out frame and inner frame.

The inner frame is fixed to the out-frame by hinges on one side and by screw on the other side..with elephant nose lock. With gypsum board. The frame can be easily open to allow for maximum flexibility in the installation, maintenance.

Gypsum Board with Access Panel Hot-Selling Gypsum fiber board, also known as calcium silicate board, is a porous material with good insulation, thermal insulation performance. When the indoor air is humid it can attract water molecules; when the air is dry, it can release water molecules to adjust the indoor humidity and increase comfort.

Gypsum products are special fireproof materials,which can absorb the heat in the flames and release water molecules at the same time to prevent the fire from spreading, and will not produce any toxic decomposition, erosion.

Check Wiring and Components. Before working on an air conditioner, ALWAYS start by turning off the power to the unit, which can be done at the service disconnect on your outdoor unit or at the main breaker panel of your home.

Old wiring inside AC unit.Next, remove the access panel on your condensing unit and see if you see any signs of overheating – melted insulation on wires, blackened or burned-looking wires, and the like.