Application: 9330C755 control box is compatible with Mach non-ducted or -ducted or Mach 15 RV air conditioners with wall thermostats. Function: 9330C755 controller is a replacement part for old, damaged control box kits. If you have an air conditioner and are using a wall thermostat, this is the control kit you need. Electric heat tape can also be used with this kit. (Heat tape elements sold separately) Easy to install: 9330C755 control box is a plug and play assembly, loosen the old bolts, untie all wires, and put it into the wiring location of the new control box. The hot spare air conditioner control kit replaces part number 9330C755. Material: 9330C755 control box module is made of high quality materials, treated to resist high temperatures and . The control module is located inside the control box. Colour:Photo Color Material:Metal Package Contents: 1x Controller 1set x cables Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.