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The Sentinel is an innovative, internet-enabled kiosk that simplifies the transaction experience for car wash customers. Known as one of Unitec’s most innovative products, the Sentinel is designed to work with any in-bay automatic or conveyor wash system and is perfect for busy sites that must effectively manage higher customer volumes.

“I conducted a good deal of research before purchasing the Sentinel for my business and I can honestly say I haven’t seen a better product out there.

Originally, I was really impressed with the sleek design, the large touch screen and the simplicity of the system. Over time, I have realized another great benefit is the change dispensing system; instead of giving customers a dozen quarters back as change, the Sentinel provides bills. The immediacy of the credit card reader in processing payments is another great feature that has kept my customers happy.
By investing in the Sentinel, I have secured a high quality and a great looking system with all the bells and whistles. But most importantly, it has increased and improved customer throughput, and led to higher customer satisfaction. It’s very beneficial to my business. The revenue I’m generating with the Sentinel has given us a very positive return on our investment. We’ve implemented a number of customer loyalty programs using the Sentinel including VIP coupons and fleet accounts. We work with a nearby gas station to offer their customers $1 off a car wash with any purchase. This program has really worked great. In fact, it’s increased my revenue by about 10 percent! I’ve worked with Unitec for a long time and have purchased other equipment the company manufactures. They are a great partner, with a solid reputation and a top-of-the-line product offering.”
Mel Ulrich, Owner of The Washhouse
Graham, Texas, and Mineral Wells, Texas


Download PDF
Click here to download a PDF sell sheet to view or print detailed product information and specifications.

How-To Guides
DRB In-Bay Solution’s How-To Guides provide quick reference information for site owners to program features within the Sierra Management Application.

DRB In-Bay Solutions offers manuals for POS hardware by Unitec. They are offered 24/7 on our website in PDF format.  To purchase a printed version, please contact our Parts Department.
Sentinel Configuration Form
Sentinel Installation Manual
Sierra Management Application Programming Manual
Unitec Router Configuration Guide
Wireless WiFi Bridge Installation
Complementary Products
Custom Overlay
ReachFree ID
Marketing Tools
Site Management Technology
Line Conditioner & Surge Suppressor


Shop Parts Online

Visit our E-Commerce site to view spare parts, field retrofits and refurbished parts.  Our E-Commerce site also includes exploded views to help you determine which part you may need.  We are now selling Spare Parts, Retrofit Options, and Refurbished Parts to our Distributors and Manufacturers only.  After creating an account, your unique login will show your discounted price, if applicable.  
Find a Distributor
DRB In-Bay Solutions sells equipment and parts through a certified Distributor network.  To find a DRB In-Bay Solutions Distributor partner in your area, please use this interactive tool.



In-Bay Solutions
7125 Troy Hill Drive
Elkridge, MD 21075
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