National Door Controls — Frequently Asked Questions
Who is National Door Controls?
National Door Controls is a U.S.-based manufacturer specializing in innovative door hardware solutions. They are best known for their patented conversion pivot systems, which allow locksmiths and door technicians to retrofit concealed floor checks into surface-mounted door closers quickly and efficiently.
What makes National Door Controls products unique?
National Door Controls developed a conversion system that dramatically reduces installation time—turning what used to be a three-hour project into a 30-minute task. Their products are engineered to simplify retrofitting while maintaining long-term strength and performance.
What National Door Controls products does Anderson Lock carry?
Anderson Lock carries several of the brand’s conversion pivot systems, including:
100 Series Conversion Pivot (Heavy Duty)
101LH Conversion Pivot (Left Hand)
101RH Conversion Pivot (Right Hand)
These models are designed for replacing or upgrading floor closers with durable surface-mounted solutions.
What are conversion pivots used for?
Conversion pivots are used to retrofit concealed floor closers—commonly found in older commercial doors—into modern surface-mounted door closers. This saves significant labor time and avoids the need to remove flooring or door frames.
How do I know which hand (LH or RH) to order?
Handing refers to the direction the door swings.
LH (Left Hand): The hinges are on the left when facing the door from the push side.
RH (Right Hand): The hinges are on the right when facing the door from the push side.
If you’re unsure which hand your door requires, contact Anderson Lock for assistance before ordering.
Are National Door Controls products heavy duty?
Yes. All conversion pivots we carry are Heavy Duty, built to handle the stress and frequent use typical of commercial entryways.
What are the benefits of using National Door Controls hardware?
Their products provide faster installation, reduced labor costs, and reliable long-term performance. They’re designed for professionals who want to modernize older door systems without major reconstruction.
Why buy National Door Controls products from Anderson Lock?
As one of Chicagoland’s leading door and hardware suppliers, Anderson Lock offers expert guidance, product support, and genuine National Door Controls hardware. We help ensure your retrofit projects are completed quickly, safely, and correctly.
How can I order National Door Controls products?
Browse our National Door Controls selection online, review product details, and click “Add to Cart” when you’re ready. For assistance selecting the correct model or hand, contact us at 847-824-2800 or through our website’s contact form.
