All BASE system components are available separately as required. Please contact the factory at 1-800-924-1010 and provide us with a serial number, model number, or description of the required part. We can generally ship replacement parts within 24hrs. In addition to the main system components referenced above, BASE offers a variety of interface hardware. These modular components have been engineered to 'quick-connect' with most BASE systems ensuring years of trouble free service. Accessories include electric over air solenoids, dry contact relays, heavy current electric motor reverser relays, electric and pneumatic actuators, pressure switches, and extended range antennas, some of which are shown below. If you require a specific component to convert our radio signal to an electrical or mechanical output please inquire. Complete instructions are included.