We build a wide range of products used across the globe in a variety of industrial applications. We can provide replacement operation manuals for your Solidstate Controls products to the original purchaser and/or end-user. Each manual costs $350. If you would like to request a manual, please contact us or call 1-800-635-7300. To ensure the quick process of your replacement manual request, please include the equipment's serial number. The serial number is located on the front of the system.