Schlage 03-231 ND Series Cylin...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$211.00
$150.00
Schlage Schlage 03-231 ND Series Cylinder Lever SCH-03-231

Schlage 03-231 ND Series Cylinder Lever

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Model: 03-231 RHO 626
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$211.00
$150.00
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Schlage 03-231 RHO KIL (Key-in-Lever) Lever

Compatible with ALX, CO, and ND Series locksets

  • Pressure cast zinc, plated to match product finish specification
  • 5-1/8″ overall length
  • ADA Accessibility compliant
  • Meet California code for 1/2″ or less return to the door
  • Non-handed

Manufacturer Resources

Product Specs

Series:
ND Series
Handle Type:
Lever
Warranty:
10 Year
Subcategory:
Parts and Accessories
Product Group:
Mechanical Locks
Product Subgroup:
Leversets
Product Type:
Lock Trim
Keyed:
Yes
Electronic:
No
Commercial/Residential:
Commercial
Lock Function:
Lever Only
Cylinder Included:
No
Cylinder and Keyways:
Less Cylinder
Parts and Accessories Type:
Replacement Parts
Product Attribute:
Parts and Accessories
Product Model:
3.231
Product Function:
Lever Only
Door Hand Direction:
Non-Handed
Product Category:
Mechanical Locks

Schlage 03-231 RHO 626 – Frequently Asked Questions

1) What is the Schlage 03-231 ND Series and what grade is it?
The Schlage 03-231 ND Series is a Grade 1 heavy duty cylindrical lever lock. It meets ANSI A156.2 Grade 1 requirements for commercial applications. This series provides maximum security and durability for high-traffic doors.
2) What door thickness does the ND Series accommodate?
The ND Series fits standard 1-3/4" thick doors. For other door thicknesses, verify compatibility with manufacturer specifications. Check your door preparation before ordering.
3) How do I determine the correct handing for this lever?
Stand on the outside of the door where the key would be used. If hinges are on your right, order RH (right hand). If hinges are on your left, order LH (left hand). Most ND Series levers are reversible in the field.
4) What cylinder format does the 03-231 use?
The 03-231 uses a standard rim cylinder. Verify your keying requirements and cylinder specifications. The lock accommodates most commercial rim cylinders with proper mounting.
5) What finish options are available for the ND Series?
Common finishes include satin chrome, bright chrome, satin brass, and dark bronze. Verify specific finish availability for the 03-231 function. All finishes meet commercial durability standards.
6) What door preparation is required for installation?
Standard preparation requires a 2-1/8" cross bore and 1" edge bore. Use manufacturer template for exact measurements. Door edge must be prepared for latchbolt and deadlocking plunger.
7) Can this lock be keyed to match existing Schlage cylinders?
Yes, the rim cylinder can be keyed to match existing Schlage systems. Work with a qualified locksmith for proper keying. Maintain key control documentation for all cylinders.
8) What is the difference between functions in the ND Series?
Different ND functions offer varying locking mechanisms. The 03-231 is a specific function with unique operational characteristics. Verify the exact function needed for your application before ordering.
9) How do I adjust the latch backset?
Most ND Series locks have adjustable backset between 2-3/8" and 2-3/4". Follow manufacturer instructions for field adjustment. Ensure proper alignment with strike plate after adjustment.
10) What maintenance does this lock require?
Clean exterior surfaces regularly with mild soap. Lubricate moving parts with manufacturer-approved lubricant. Check mounting screws and strike alignment periodically. Avoid harsh chemicals on finished surfaces.
11) Are replacement parts available for the ND Series?
Yes, Schlage provides replacement parts for the ND Series including springs, latches, and lever components. Order parts by lock model and function number. Keep original documentation for part identification.
12) What applications are best suited for Grade 1 cylindrical levers?
Grade 1 locks work best for high-traffic commercial doors, office buildings, and institutional applications. They handle frequent use and provide enhanced security. Consider door weight and usage patterns when specifying.
How fast can I get the Schlage 03-231 RHO 626 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Schlage 03-231 RHO 626 come with a warranty?
Absolutely. The Schlage 03-231 RHO 626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Schlage 03-231 RHO 626?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Schlage 03-231 RHO 626 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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