Marks USA MAR175AQ 175AQ Exit ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$153.69
$98.12
Marks USA 175AQ Exit Lever Lockset - Grade 2 Survivor Series, American Lever, Exit

Marks USA MAR175AQ 175AQ Exit Lever Lockset — Grade 2 Survivor Series, ADA Compliant, American Lever

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Model: 175AQ-26D
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$153.69
$98.12
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Marks USA 175AQ Exit Lever Lockset — Grade 2 Survivor Series, ADA Compliant, American Lever

The Marks USA 175AQ is a Grade 2 Survivor Series cylindrical exit lever lockset engineered to deliver Grade 1 performance at a Grade 2 price point. Designed for commercial applications, this bored lockset features solid cast Zamac levers with a 1/2" return, a 2-3/4" backset, and accommodates door thicknesses from 1-5/8" to 1-7/8". The latch (#1134) features a 1-1/8" x 2-1/4" front, and the unit ships with a #1145/32D strike. UL Listed, ADA recommended, and backed by a Marks Lifetime Mechanical Warranty, the 175AQ is ideal for schools, universities, office buildings, hospitals, and a wide range of commercial environments.

Key Features

  • Backset & Latch Dimensions: 2-3/4" backset with Latch #1134 featuring a 1-1/8" x 2-1/4" front for precise, reliable door latching.
  • Door Thickness Compatibility: Fits door thicknesses from 1-5/8" to 1-7/8", accommodating a broad range of commercial door constructions.
  • Solid Cast Zamac Levers: American-style levers constructed from solid cast Zamac with a 1/2" return for durable, comfortable operation in high-traffic settings.
  • Thru-Bolted Rose Assembly: Roses are thru-bolted and spring loaded using 2 #10 thru-bolts, with inside rose cover included, ensuring a secure and tamper-resistant installation.
  • Clutch Feature: Outside lever turns freely when locked without retracting the latch, preventing forced entry while maintaining smooth interior egress.
  • MARKS "C" Keyway Cylinder: 6-pin cylinder with MARKS "C" keyway ships with 2 keys for immediate deployment.
  • Exit Function (ANSI F76): Outside knob/lever locked by pushbutton on inside knob/lever; rotating inside knob/lever or closing door releases the button, with emergency release on outside lever for safe egress.
  • Finish Options: Available in Satin Chrome and Oil Rubbed Bronze to complement a variety of architectural styles.
  • Lifetime Mechanical Warranty: Backed by Marks USA's Lifetime Mechanical Warranty for long-term confidence in commercial installations.

Certifications & Compliance

  • ANSI/BHMA Certified
  • UL Listed
  • ADA Recommended / ADA Compliant
  • ANSI Function F76
  • Marks USA Lifetime Mechanical Warranty

Technical Specifications

  • Series: 175 Series
  • Product Group: Mechanical Locks
  • Product Subgroup: Bored Locksets
  • Product Type: Cylindrical Locks
  • Subcategory: Cylindrical Locks
  • ANSI/BHMA: ANSI/BHMA, UL Listed
  • Lock Type: Cylindrical
  • Function Description: Outside knob/lever locked by pushbutton on inside knob/lever. Rotating inside knob/lever or closing door releases/unlocks button. Emergency release in outside knob/lever.
  • ADA Compliant: Yes
  • Keyed: No
  • ANSI Function: F76
  • Product Attribute: Cylindrical Locks
  • Product Function: Privacy/Bed/Bath
  • Door Thickness Range: 1-3/4"
  • Strike Classification: ANSI, 1-1/4" x 4-7/8", 1-1/4" Lip, Square Corner
  • Product Category: Mechanical Locks
  • Department: Door Hardware

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities — Schools and Universities
  • Healthcare Institutions and Hospitals
  • Retail Establishments
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings
  • Industrial and Warehouse Facilities

Why Marks USA 175AQ?

Marks USA's 175 Series Survivor Series locksets are engineered to deliver Grade 1 performance at a Grade 2 price, featuring solid cast Zamac levers, a thru-bolted rose assembly, and a 6-pin MARKS "C" keyway cylinder — all UL Listed and ADA compliant. The 175AQ's clutch feature and ANSI F76 exit function make it a dependable choice for demanding commercial environments where reliable egress and security are non-negotiable.

Manufacturer Resources

Marks USA Product Catalog

Product Specs

Series:
175 Series
Latch Throw:
1/2"
Grade:
Grade 2
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Cylindrical Locks
Subcategory:
Cylindrical Locks
ANSI/BHMA:
ANSI/BHMA, UL Listed
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Function Description:
Outside knob/lever locked by pushbutton on inside knob/lever. Rotating inside knob/lever or closing door releases/unlocks button. Emergency release in outside knob/lever.
Front Size:
1-1/8” x 2-1/4”
ADA Compliant:
Yes
Keyed:
No
ANSI Function:
F76
Product Attribute:
Cylindrical Locks
Product Function:
Privacy/Bed/Bath
Door Thickness Range:
1-3/4"
Strike Classification:
ANSI, 1-1/4" x 4-7/8", 1-1/4" Lip, Square Corner
Product Category:
Mechanical Locks
Backset (Distance):
2-3/4"
Department:
Door Hardware

Marks USA 175AQ-26D – Frequently Asked Questions

1) What does the ANSI F76 exit function on the Marks USA 175AQ lever lockset actually do?
F76 is a pushbutton exit function. The outside lever is locked by a pushbutton in the inside lever; turning the inside lever or simply closing the door pops the button back out and unlocks it. The outside lever also carries an emergency release so someone can get in from the corridor side. That combination is why it gets specified on restrooms, single-occupancy offices, and patient or dorm rooms where free egress from inside is non-negotiable.
2) Will the Marks 175AQ fit my existing 2-3/4 inch backset door prep?
Yes, the 175AQ is a 2-3/4 inch backset cylindrical lockset, which is the standard commercial backset on a 161 prep. If your doors are bored at 2-3/8 inches (common on residential and older interior doors), this is not the lock for that opening. The latch front measures 1-1/8 by 2-1/4 inches, so it drops into a standard square-corner latch mortise.
3) What door thickness does the Marks USA 175AQ lockset take?
The 175AQ is set up for 1-3/4 inch doors, which is the standard commercial door thickness. If you are working on a thinner 1-3/8 inch interior door or something over 1-3/4, look at a lock with a stated adjustable thickness range instead, such as the Cal-Royal CAL20 privacy lock, which covers 1-3/8 to 2 inches.
4) Is the Marks 175AQ lever ADA compliant for a school or hospital corridor?
Yes. The 175AQ uses a lever rather than a knob and is listed as ADA compliant, so it satisfies the operable-without-tight-grasping requirement for accessible openings. It is also ANSI/BHMA certified and UL Listed, which is what facility and institutional specs normally call out.
5) What is the electronic equivalent of the Marks USA 175AQ if I want keypad access on that opening?
The 175AQ is a mechanical cylindrical lockset with pushbutton privacy locking. For the same cylindrical prep with credential control, the Alarm Lock Trilogy 4100 is a Grade 1 electronic cylindrical lock with a privacy function and keypad covering 1-5/8 inch to 1-7/8 inch doors, and the Schlage CO-100 is a Grade 1 heavy duty standalone electronic cylindrical lock in privacy function for 1-3/4 inch doors. Both require power and battery maintenance that the 175AQ does not.
6) If the opening needs a keyed entrance lever instead of the Marks USA 175AQ, what Grade 2 options are there?
The 175AQ is a non-keyed lockset. For a keyed entrance function at the same grade, the Orca Hardware OCL250 is a Grade 2 medium duty entrance cylindrical lockset, and the Stanley Security QCL100 Series QCL150 is a Grade 2 entry lever with a Sierra bent lever, a square 2-3/4 inch backset latch, and an ASA 4-7/8 inch by 1-1/4 inch strike, which matches the 175AQ backset and strike size.
7) Do I need to order keys or a cylinder with the Marks 175AQ exit lockset?
No. The 175AQ is a non-keyed function. It locks by pushbutton from the inside and is released by an emergency release on the outside lever, so there is no keying decision to make and nothing to key into a master system. If you need a keyed opening on the same run of doors, you want a keyed entrance or classroom function lock instead.
8) Is a Grade 2 lock like the Marks 175AQ heavy duty enough for a commercial restroom, or should I step up to Grade 1?
The 175AQ is certified Grade 2 and rated for commercial use, which covers most office, retail, and multi-tenant restroom and bedroom doors. On a very high-cycle opening, a public restroom in a school or stadium for example, buyers often step up to a Grade 1 privacy lock such as the Cal-Royal CAL20 or the Orca OCL240 if a medium-duty Grade 2 is acceptable at a lower spec. The difference is cycle endurance and strength testing under ANSI/BHMA, not function: all three latch and operate the same way.
9) I need a privacy lock with a keypad or audit trail instead of a pushbutton. What are my options?
The 175AQ is a purely mechanical cylindrical lock, so there is no code entry or audit capability. For an electronic equivalent in the same privacy family, the Alarm Lock Trilogy 4100 is a Grade 1 keypad cylindrical lock with a privacy function fitting 1-5/8 to 1-7/8 inch doors, and the Schlage CO-100 is a Grade 1 standalone keypad lock with a privacy function for 1-3/4 inch doors. Both replace the mechanical pushbutton with a code, which suits dorms and clinics where staff need a means of access without carrying keys.
10) What should I use instead of the Marks USA 175AQ if the door needs no locking at all?
The 175AQ locks the outside lever by pushbutton on the inside lever, with an emergency release outside. For an opening that only needs latching with free operation both sides, the Cal-Royal CAL30 Calypso Series is a Grade 1 passage lockset, and the Orca Hardware OCL210 is a Grade 2 medium duty passage cylindrical lockset. Neither carries a locking pushbutton.
11) Can I use a Dorma C501 or CL701 in place of the Marks USA 175AQ?
No. The Dorma C501 is a single dummy trim keyless lever and the Dorma CL701 is a Grade 2 single dummy non-keyed lever. Dummy trim is a pull only, with no latch and no locking, while the 175AQ is a working cylindrical lockset that locks the outside lever by pushbutton with an emergency release outside. They share a lever look, not a function.
12) For a school classroom door, is the Marks USA 175AQ the right lock or is there a better fit?
The 175AQ is a Grade 2 commercial cylindrical lockset in Privacy/Bed/Bath function, suited to restrooms and similar openings. A classroom door that needs lockdown capability is better served by a classroom-function product such as the TownSteel FCE-4000, an RFID electronic intruder classroom cylindrical lockset, or the TownSteel XCE-9000 electronic classroom intruder lockset with keypad, both Grade 1 heavy duty for 1-3/4 inch doors on the XCE-9000 range of 1-3/4 inch to 2 inch.
13) Does the Lockey 2830 do the same job as the Marks USA 175AQ?
Not the same job. The Lockey 2830 is a mechanical pushbutton keyless knob lock with an auto-locking passage function for doors 1-1/8 inch to 2 inch thick. Its pushbuttons are a code entry on the outside; the 175AQ pushbutton is an inside privacy button that locks the outside lever and releases when the inside lever is turned or the door closes. The 175AQ also supplies a lever, which is ADA compliant, where the Lockey 2830 is a knob.
14) What finishes does the Marks 175AQ exit lever come in, and can I match it across a building?
Two finishes: US26D satin chrome and US10B oil-rubbed dark bronze. US26D is the usual choice when the rest of the building is satin chrome or brushed stainless trim; US10B suits dark bronze hardware packages. Both are the same lock mechanically, so you can run mixed finishes on different wings without changing the prep or the strike.
How fast can I get the Marks USA 175AQ-26D 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 Marks USA 175AQ-26D come with a warranty?
Absolutely. The Marks USA 175AQ-26D 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 Marks USA 175AQ-26D?
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
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