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Von Duprin 371L Lever Trim for 55 Series and 88 Series Exit Devices
370 Series Commercial-Grade Exit Device Control Trim
The Von Duprin 371L is a heavy-duty lever trim from the 370 Series Control Trims line, engineered for seamless compatibility with Von Duprin 55 Series and 88 Series exit devices. Designed with flexibility and modularity at its core, this Grade 1 certified lever trim features a key locks and unlocks function, making it an ideal solution for commercial facilities that require controlled egress and reliable access management. Certified to ANSI/BHMA A156.3 2014 Grade 1 standards and compliant with ANSI/UL 10C (fire-rated configurations), ANSI/UL 305, CAN/ULC-S104 (fire-rated configurations), and CAN/ULC-S132, the 371L delivers the performance and compliance demanded by professional door hardware applications.
Professional Features & Benefits
- ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3 2014 Grade 1 standards, ensuring heavy-duty performance and long-term reliability in high-traffic commercial environments.
- Fire-Rated Compliance: Certified to ANSI/UL 10C and CAN/ULC-S104 for fire-rated configurations, supporting code-compliant installations in fire-rated door assemblies.
- Multi-Standard Certification: Also compliant with ANSI/UL 305 and CAN/ULC-S132, providing broad certification coverage for diverse commercial and institutional applications.
- Key Locks and Unlocks Function: Provides controlled access with a key locks and unlocks function, enabling facility managers to manage egress points with precision and security.
- 55 Series and 88 Series Compatibility: Specifically designed for use with Von Duprin 55 Series and 88 Series exit devices, ensuring a precise fit and reliable integration with existing hardware.
- Modular and Upgradeable Design: Von Duprin’s flexible, modular platform allows new options and functionality to be added as they are developed, protecting your hardware investment well into the future.
- Wide Variety of Levers and Finishes: Available in a wide range of lever styles and finishes to complement virtually any architectural aesthetic or facility requirement. Refer to the 55 and 88 Series catalogs for complete options.
- Heavy-Duty Commercial Construction: Rated for heavy-duty use and designated for commercial applications, the 371L is built to withstand the demands of high-traffic facilities.
Technical Specifications
- Subcategory: Exit Device Trim
- Series: 370 Series
- Grade: Grade 1
- Duty Level: Heavy Duty
- Function Description: Key Locks and Unlocks
- Product Group: Exit Devices and Trim
- Product Subgroup: Exit Device Trim
- Product Type: Exit Device Trim
- Commercial/Residential: Commercial
- Handle Type: Lever
- Product Model: 371L
- Door Hand Direction: Yes
- Product Category: Exit Devices and Trim
- Department: Door Hardware
Professional Applications
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Retail Establishments
- Industrial and Warehouse Facilities
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
Why Choose Von Duprin Quality?
Von Duprin 370 Series exit device trim products deliver professional-grade reliability backed by ANSI/BHMA A156.3 2014 Grade 1 certification and compliance with ANSI/UL 10C, ANSI/UL 305, CAN/ULC-S104, and CAN/ULC-S132 standards. The heavy-duty construction and modular design philosophy ensure that the 371L can adapt to evolving facility needs, allowing functionality to be upgraded cost-effectively as mechanical and electronic technologies converge. Engineered for demanding commercial applications where dependable performance and code compliance are essential.
Manufacturer Resources
Von Duprin 55 Series Catalog
Product Specs
- Subcategory:
- Exit Device Trim
- Series:
- 370 Series
- Grade:
- Grade 1
- Duty Level:
- Heavy Duty
- Function Description:
- Key Locks and Unlocks
- Product Group:
- Exit Devices and Trim
- Product Subgroup:
- Exit Device Trim
- Product Type:
- Exit Device Trims
- Commercial/Residential:
- Commercial
- Handle Type:
- Lever
- Product Model:
- 371L
- Door Hand Direction:
- Yes
- Product Category:
- Exit Devices and Trim
- Department:
- Door Hardware
Von Duprin VON-371L-626 – Frequently Asked Questions
1) Will the Von Duprin 371L lever trim work on my 88 Series rim exit device?
Yes. The 371L is a 370 Series control trim built for Von Duprin 55 Series and 88 Series exit devices, so it mounts to an 88 device without an adapter. It is not a universal trim, though. If the device on the door is a 98/99, 33A/35A or another Von Duprin family, the 371L is the wrong trim and you want the control trim listed for that series.
2) What does the key locks and unlocks function on the 371L actually do at the door?
Turning the key sets the lever, it does not just retract a latch for one entry. Key one way and the lever is locked, so pulling it does nothing from the outside and people leave by pushing the device from inside. Key the other way and the lever stays free, so the opening runs unlocked all day without anyone holding a key. That is the difference between this and a nightlatch trim like the Sargent 704ET, where the key retracts the latch each time and the lever never stays unlocked.
3) Do I have to specify handing when ordering the Von Duprin 371L exit trim?
Handing is required. The 371L is ordered RHR (right hand reverse) or LHR (left hand reverse), and it is a handed part, so the wrong hand will not work on the opening. Exit devices sit on the push side, so every hand you determine is a reverse hand. Stand outside the door: if the hinges are on your right and the door pulls toward you, it is RHR. Hinges on the left pulling toward you is LHR.
4) What else do I need to specify besides finish when I order a 371L lever trim?
Three choices beyond the device series: hand (RHR or LHR), lever design, and finish. Lever design runs 01, 02, 03, 06, 07, 12 and 16, and they are not interchangeable after the fact, so pick the one that matches the levers already in the building. Finish comes in eight: 605 bright brass, 606 satin brass, 612 satin bronze, 613 oil rubbed bronze, 625 bright chrome, 626 satin chrome, 643E aged bronze, and 693/SPBLK black painted. A cylinder is what makes the key function work, and it is specified with the device order, not part of the lever design or finish choice.
5) Is the Von Duprin 371L trim OK on a fire rated door?
Fire rated openings are covered. The 371L is certified to ANSI/UL 10C and CAN/ULC-S104 in fire rated configurations, and also complies with ANSI/UL 305 and CAN/ULC-S132 for panic hardware. Worth knowing on fire doors: the trim has to be one that never leaves the latch held retracted, and the key locks and unlocks function is a design decision on your part, since an unlocked lever on a fire door still latches, but confirm the whole assembly matches the door label.
6) Is the 371L heavy duty enough for a school or hospital entrance that gets used all day?
It is built for that traffic. The 371L carries ANSI/BHMA A156.3 2014 Grade 1 certification and is rated heavy duty for commercial use, which is the top tier for exit device hardware and what most institutional specs call out by name. Grade 1 is the level a school, hospital or government building spec will require, and a medium duty trim, like the Falcon 179L, will not satisfy that line on a drawing.
7) I need the outside lever released by a card reader or access control. Is the 371L the right trim?
The Von Duprin 371L is a mechanical trim with a key locks and unlocks function, so it is controlled by key, not by an access control signal. For electric control, Command Access makes electrified exit trims with 12V/24V operation and fail safe or fail secure options in the ET15, ET25 and ET26 series, with the ET26 built Grade 1 and field reversible. Command Access also offers the 230L, an electrified version of the Von Duprin 230L trim for V96/36/23 Series devices. On the Falcon side, the 510L-FSA/FSE is the electrified heavy duty lever trim for the 25 Series.
8) What is the closest equivalent to the Von Duprin 371L lever trim from another manufacturer?
The Von Duprin 371L is a heavy duty, Grade 1 lever trim for exit devices. The Falcon 510L is the nearest peer in that class: it is also a heavy duty lever trim, listed with a classroom function for the Falcon 24/25 Series devices. Sargent's 704ET is another heavy duty Grade 1 lever trim, though it is a night latch function built for the Sargent 700 Series. All three are lever trims for exit devices, but each is built for its own device family, so match the trim to the device already on the door rather than to the trim alone.
9) The 371L is key locks and unlocks. What trim should I use if I want the lever always locked and the key only retracts the latch?
The Von Duprin 371L function is key locks and unlocks, so a key turn changes the state of the outside lever and leaves it that way. If you want the outside lever to stay secure with the key only pulling the latch, that is a night latch trim: the Sargent 704ET is a heavy duty Grade 1 night latch lever trim, and the Sargent 704-ETL is a night latch lever trim with key retract function for the Sargent PE Series. The Dorma YR03R is a wide stile escutcheon lever trim with night latch function supplied less cylinder.
10) What is a storeroom function alternative to the 371L lever trim?
Storeroom function keeps the outside lever locked at all times with the key giving entry, where the Von Duprin 371L key locks and unlocks the lever. Storeroom lever trims include the Pamex E9000, a Grade 1 heavy duty storeroom trim with the L3 lever fitting doors 1-3/8 inch to 2 inch thick; the Tell EDELT80 escutcheon lever trim, storeroom function, for doors 1-3/8 inch to 1-3/4 inch; the Design Hardware KIL storeroom trim with a Schlage C keyway and flat lever for 1000 and 2000 Series devices; and the Marks USA M195F storeroom lever and rose trim with spring loaded roses for the M9900 touchbar.
11) Which trims look like a substitute for the 371L but will not give me keyed control of the door?
The Von Duprin 371L has a key locks and unlocks function. Several lever trims that look similar have no keyed operation at all. The Detex 02BN is a dummy S-lever trim with a blank escutcheon, and the Dexter ED1500T dummy function trim uses a handle pull plate; a dummy lever does not operate anything. The Falcon 212L is a 20 Series escutcheon lever trim with a blank escutcheon. Passage function trims such as the Arrow SRX01 with Sierra lever and rose, the Corbin Russwin 3310AET for ED300 Series, the x810ET for ED4000 Series and the x910ET for the ED5200S/ED5200/ED5400/ED5800 Series retract the latch from outside at all times with no key control. Confirm the function before ordering against a keyed opening.
12) I need a lever trim for an exit device that is not a Von Duprin 55 or 88. What are my options?
Match the trim to the device brand and series, because exit trim is not cross-brand. For Sargent 8700 and 8900 surface vertical rod and mortise devices, the Sargent 744 is a Grade 1 nightlatch trim with freewheeling operation. On Corbin Russwin ED5200/ED5400/ED5800 devices, the x910ET is the passage function heavy duty trim. BEST Precision 2000 Series narrow stile devices take the 2901 lever trim. For Falcon 24/25 Series, the 510L is the heavy duty classroom lever. All are lever or pull trims of the same kind as the 371L, just keyed to a different device family.
13) Should I use a keyed lever trim or a storeroom function trim on an exterior exit door?
It comes down to whether you want the opening to stay unlocked during business hours. The 371L key locks and unlocks, so a key turn leaves the lever free and the public walks in without a key until you lock it back down at close. A storeroom trim, like the Pamex E9000 or the Tell EDELT80, keeps the lever locked at all times and the key is needed on every entry. Storefronts and school main entries generally want lock/unlock. Mechanical rooms, stockrooms and roof doors want storeroom.
14) I need a classroom function lever trim instead of key locks and unlocks. What are my options?
The Von Duprin 371L is a key locks and unlocks trim. For a classroom function lever, the Falcon 510L is a heavy duty classroom function lever trim for the Falcon 24/25 Series, and the Falcon 179L is a medium duty classroom lever control trim for the 1790 Series. The Accentra 446F is a classroom function Grade 1 exit device trim with the Augusta lever. Classroom function keeps the key operation on the outside lever without the lever holding a locked or unlocked state the way a key locks and unlocks trim does.
15) What if I want keypad entry on the exit device instead of a keyed lever trim?
The Von Duprin 371L is keyed lever trim. For pushbutton credential entry on an exit device, Dormakaba offers the E-Plex 201U electronic pushbutton exit trim in wide stile and the PowerPlex P201U exit trim for rim, mortise and surface vertical rod devices. These replace the key cylinder as the means of entry rather than supplementing it.
16) Do I have to specify handing on other exit trims the way I do on the 371L?
The Von Duprin 371L is a handed part, ordered right hand reverse or left hand reverse. Some peers are built to avoid that: the Sargent 704ET is a night latch lever trim with field reversible operation, and the Command Access ET26 is a Grade 1 electrified trim with a field reversible design. A field reversible trim is set at install rather than at order, which matters when a property manager is stocking spares for a mixed set of openings.
17) I need a Grade 1 exit trim but the opening takes a thumbpiece, not a lever. What should I look at?
The Von Duprin 371L is a lever handle trim. Where a thumbpiece is wanted instead, the Dexter ED1000T-CLRM-TP-NC is a Grade 1 classroom trim with thumbpiece, pull plate and cylinder, supplied less cylinder, and the Tell EDTHP53 is a thumbpiece trim with entry function for doors 1-3/8 inch to 1-3/4 inch thick.
18) The 371L is heavy duty. Which comparable lever trims are lighter duty?
The Von Duprin 371L is rated heavy duty. Among comparable lever trims, the Falcon 179L lever control trim for the 1790 Series and the Falcon 212L escutcheon lever trim for the 20 Series are both medium duty. The Falcon 510L for the 24/25 Series is heavy duty like the 371L, as are the Sargent 704ET and 704-ETL night latch lever trims. For a high traffic entrance a heavy duty trim is the like for like swap.
19) Which comparable exit device trims are Grade 1 like the 371L?
The Von Duprin 371L is ANSI/BHMA Grade 1. Grade 1 peers in the same trim class include the Pamex E9000 storeroom trim, the Sargent 704ET and 704-ETL night latch lever trims, the Sargent 744 freewheeling key retracts latch trim for 8700 and 8900 Series surface vertical rod and mortise devices, the Dexter ED1500T regular lever trim, and the Design Hardware KIL entry and KIL storeroom trims. For an institutional buyer standardizing on Grade 1 across a facility, all of these hold the grade; the function and device family are what separate them.
20) Can I get the 371L exit trim in black to match the rest of my storefront hardware?
Black painted is one of the eight finishes, ordered as 693/SPBLK. The rest run 605 bright brass, 606 satin brass, 612 satin bronze, 613 oil rubbed bronze, 625 bright chrome, 626 satin chrome, and 643E aged bronze. For fleet work, 626 satin chrome is the usual commercial default and the one most likely to match levers already hanging in an office building or school.
21) If I standardize on the Von Duprin 371L now, am I stuck with it when we add card access later?
The 370 Series runs on Von Duprin's modular platform, so options and functionality can be added as they are developed rather than replacing the trim outright. That is the practical case for standardizing across a building: the same 371L trim and lever design stays on every opening, and the ones that later need electronic control get upgraded instead of swapped. Keep the lever design and finish consistent across the fleet and later additions still match what is already on the doors.
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Absolutely. The Von Duprin VON-371L-626 is backed by a manufacturer’s warranty.
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