All prices are subject to change without notice. All quotations and bids are valid for 30 days from date of issue, unless otherwise specified. Back orders on stock merchandise will be price protected. We cannot guarantee special orders price protection. All prices are net.


Freight is prepaid on orders of $1250.00 or more and shipped by the carrier of our choice. This policy applies to the continental United States only and may be restricted by specific products. All other orders are F.O.B., shipping point, via UPS Ground or similar service, or by a common carrier of our choice, unless otherwise specified at the time of order placement. There is a $10.00 minimum freight charge on any and all orders.

Payment Terms:

Standard credit is credit card. If Open Credit is approved and established, then terms are net 30 days from date of invoice. Sentinel now accepts MasterCard, VISA, Discover and American Express. There will be an additional 3.5% Service Charge for purchases/payments made with an American Express Card.

Payment Policy:

Accounts with unpaid invoices in excess of 30 days, will be placed on credit hold until past due amount is paid. If account balance includes unpaid invoices over 60 days, open account status will be rescinded and C.O.D. terms will apply once amount is paid in full. A 1.5% per month service charge will be assessed. All payments will be made in U.S. Dollars.

Returned Checks:

A $50.00 surcharge will be added for checks returned, payment terms will be "Cash in Advance" thereafter.

Acceptance of an Order:

Sentinel Door Controls, LLC reserves the right to decline any order, in whole or in part, when the type or quality of goods or credit worthiness is unsatisfactory to us.


All product cancellations must be confirmed in writing. Cancellation of specially ordered material will be at the discretion of the manufacturer and are subject to the manufacturers cancellation terms.


All product claims must be reported to us, in writing, within fifteen days of receipt of merchandise. Please notify us promptly of any discrepancy in shipment and/or invoicing.

Returned Goods:

A returned goods authorization (RGA) number must be issued before returning any material. RGA’s will only be issued for products originally purchased from Sentinel Door Controls. We will not accept any returned material without an RGA number. All returns will be coordinated by our sales staff. Sentinel Door Controls is not responsible for incurred freight cost for materials returned. A 35% re-stocking fee will be applied to all non-defective returns. Special orders are non-returnable.

Product Liability & Warranty Statement

All products are covered by their individual manufacturers’ warranty. This does not include transportation of any product to and from Sentinel Door Controls or to that factory for repair and/or replacement. Sentinel Door Controls does reserve the right to cover costs at our discretion on an individual basis.