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Von Duprin 373L-DT Lever Dummy Trim for 88 Series Exit Device
370 Series Commercial-Grade Exit Device Trim Solution
The Von Duprin 373L-DT is a heavy-duty, Grade 1 lever dummy trim from the 370 Series Control Trims line, purpose-built for compatibility with the 88 Series exit device. Designed for commercial applications where a non-keyed, dummy lever function is required, this trim delivers the flexibility and modular adaptability that Von Duprin is known for. Certified to ANSI/BHMA A156.3 2014 Grade 1 standards, the 373L-DT provides a reliable, professional-grade trim solution that can be upgraded or expanded as facility needs evolve.
Professional Features & Benefits
- ANSI/BHMA Grade 1 Certification: Certified to ANSI/BHMA A156.3 2014 Grade 1, ensuring the highest level of commercial durability and performance for demanding applications.
- Fire-Rated Compliance: Meets ANSI/UL 10C (fire-rated configurations) and CAN/ULC-S104 (fire-rated configurations), supporting code-compliant installations in fire-rated door assemblies.
- Additional Code Compliance: Listed to ANSI/UL 305 and CAN/ULC-S132, providing broad certification coverage for commercial and institutional installations.
- 88 Series Compatibility: Specifically designed for use with Von Duprin 88 Series exit devices, ensuring seamless integration and proper fit within the 88 Series ecosystem.
- Dummy Lever Function: Non-keyed dummy trim function provides a clean, professional lever appearance on the inactive side of a door without a locking or latching mechanism.
- Modular & Upgradeable Design: Von Duprin’s flexible, modular platform allows new options and functionality to be added to existing devices cost-effectively, protecting your hardware investment into the future.
- Heavy-Duty Construction: Rated Heavy Duty for commercial use, this trim is engineered to withstand the rigors of high-traffic facilities while maintaining consistent performance.
- Wide Lever and Finish Availability: Available in a wide variety of levers and finishes to match aesthetic and functional requirements across diverse commercial environments. Refer to the 88 Series catalogs for complete options.
Technical Specifications
- Subcategory: Exit Device Trim
- Series: 370 Series
- Grade: Grade 1
- Duty Level: Heavy Duty
- Product Group: Exit Devices and Trim
- Product Subgroup: Exit Device Trim
- Product Type: Exit Device Trim
- Commercial/Residential: Commercial
- Keyed Function: Non-Keyed
- Keyed: No
- Handle Type: Lever
- Lock Function: Dummy
- Product Model: 373L-DT
- Product Function: Dummy
- 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 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 370 Series platform is engineered for demanding commercial applications where dependable performance and long-term adaptability are essential. Von Duprin’s modular design philosophy ensures your hardware investment remains protected as facility needs and technology requirements evolve.
Manufacturer Resources
Von Duprin 88 Series Catalog
Product Specs
- Subcategory:
- Exit Device Trim
- Series:
- 370 Series
- Grade:
- Grade 1
- Duty Level:
- Heavy Duty
- Product Group:
- Exit Devices and Trim
- Product Subgroup:
- Exit Device Trim
- Product Type:
- Exit Device Trims
- Commercial/Residential:
- Commercial
- Keyed Function:
- Non-Keyed
- Keyed:
- No
- Handle Type:
- Lever
- Lock Function:
- Dummy
- Product Model:
- 373L-DT
- Product Function:
- Dummy
- Door Hand Direction:
- Yes
- Product Category:
- Exit Devices and Trim
- Department:
- Door Hardware
Von Duprin VON-373L-DT-626 – Frequently Asked Questions
1) What does the Von Duprin 373L-DT dummy trim actually do on the door?
Nothing mechanical. The 373L-DT is a lever that mounts to the outside of a door fitted with an 88 Series exit device, but it does not retract the latch and takes no cylinder. It is non-keyed, dummy function only, so the door stays locked from outside and exits through the push bar from inside. If you need the outside lever to release the latch, a dummy trim is the wrong choice.
2) Do I have to specify handing when ordering the 373L-DT dummy lever?
Yes, handing is required. The 373L-DT is ordered RHR (right hand reverse) or LHR (left hand reverse). Exit devices sit on the push side, so the opening is always a reverse hand: stand outside the door, and if the hinges are on your right it is RHR. Get this wrong and the lever points the wrong way.
3) Is the Von Duprin 373L-DT trim Grade 1 and can it go on a fire rated door?
Certified to ANSI/BHMA A156.3 2014 Grade 1 and rated heavy duty. It also meets ANSI/UL 10C and CAN/ULC-S104 in fire rated configurations, and is listed to ANSI/UL 305 and CAN/ULC-S132. That covers the paperwork an institutional spec or an AHJ inspection on a fire rated opening will ask for.
4) I want a lever on the outside that unlocks with a key. Is the 373L-DT the right trim?
No. The 373L-DT is dummy only, no cylinder and no latch retraction. For a keyed outside lever on an exit device you want a keyed trim function instead: the Sargent 704ET is a night latch lever trim where the key retracts the latch, and the Design Hardware KIL storeroom trim is a Grade 1 storeroom function lever. Match whichever one is published for your device family.
5) What is the equivalent of the Von Duprin 373L-DT dummy lever trim in other brands?
The Von Duprin 373L-DT is a non-keyed dummy lever trim for exit devices. The closest cross-brand match on function is the Detex 02BN, a dummy S-lever trim with a blank escutcheon for Value Series exit devices, which shares the dummy function and the lever handle. Dexter also builds a dummy function trim in the ED1500 series, the ED1500T-DUMM-PULL, but that one uses a handle pull plate rather than a lever, so the operating feel at the door is different. If the lever look matters on the pull side, the Detex 02BN is the nearer swap; if any pull-style grip is acceptable, the Dexter ED1500 dummy trim also covers the function.
6) The opening needs to be unlocked and relocked remotely - is there an alternative to a dummy trim for that?
A dummy trim has no latch control at all, so remote release is not possible with the 373L-DT. Electrified trim is the alternative. Command Access builds the 230L electrified trim for Von Duprin V96/36/23 Series devices with 12V/24V operation and fail safe or fail secure options, plus the ET15, ET25 and ET26 electrified trims; the ET26 is Grade 1 and field reversible. Falcon's 510L-FSA/FSE is a heavy duty electrified trim for 25 Series devices. Dormakaba covers standalone credential control instead of wiring, with the E-Plex 201U electronic pushbutton exit trim and the PowerPlex P201U for rim, mortise and SVR devices.
7) I need the outside lever to actually retract the latch, not just sit there - what should I order instead of the 373L-DT?
The 373L-DT is a dummy trim, so its lever is fixed and does not operate the latch. For a lever that retracts the latch, move to a keyed or operating function trim. The Design Hardware KIL storeroom trim is a Grade 1 storeroom function exit trim with a flat lever in a Schlage C keyway for 1000 and 2000 Series devices, and the Design Hardware KIL entry trim is the Grade 1 entry function version of the same. Falcon's 510L is a heavy duty classroom function trim with a lever handle for 24/25 Series devices. Marks USA M195F is a storeroom function lever and rose trim with spring loaded roses for the M9900 touchbar. Pick the one that matches the device family already on the door.
8) Is a passage function exit trim the same thing as the 373L-DT dummy trim?
No. The 373L-DT is a dummy, non-keyed trim: the lever is decorative and does not move the latch. A passage trim looks similar from outside but its lever is live and retracts the latch at all times. Arrow SRX01 is a passage function trim with a Sierra lever and rose for ED910, S1150 and S1250 devices, and Corbin Russwin builds passage function trims across its exit device lines - the 3310AET for the ED300 Series, the x810ET for the ED4000 Series, and the x910ET for the ED5200S, ED5200, ED5400 and ED5800 Series. If the door needs free entry from the outside, one of those is the right part; if the outside must stay pull-only, the 373L-DT dummy is what you want.
9) What is the difference between a dummy lever trim and a pull trim on an exit device?
Both are exit-only, neither operates the latch. The difference is what the outside of the door looks like and how someone grabs it. The 373L-DT gives you a lever, which reads as a normal door and matches lever hardware on adjacent openings. A pull trim gives you a bar or plate instead, like the Dexter ED1500 dummy function trim with handle pull plate or the BEST 1700 Series exit only pull trim. On a fully locked exterior door a pull is often preferred because a lever invites people to try it.
10) Are there other dummy lever trims for exit devices besides the Von Duprin 373L-DT?
The Detex 02BN is the closest cross-brand equivalent, a dummy S-lever trim with a blank escutcheon for Detex Value Series devices. It is a different device family, though, so it is an alternative only if you are also choosing the exit device. If the device on the opening is already a Von Duprin 88 Series, the 373L-DT is the trim built for it.
11) Can I use the Von Duprin 373L-DT on the inactive leaf of a pair of doors?
That is a common use for it. Because the trim is dummy function with no latch operation and no cylinder, it gives the inactive leaf a matching lever that looks the same as the active leaf without adding any locking function. Order the handing for that specific leaf, RHR or LHR, and pick the same lever design and finish you used on the active side.
12) What is a simpler exit-only trim option if I do not need a lever on the outside at all?
A dummy lever trim like the 373L-DT gives a lever appearance with no latch operation. If you only need something to grab, exit only pull trims do the same job with fewer parts. BEST offers the 1700 Series exit only pull trim for 2000 Series exit devices in wide stile, the 2000 Series narrow stile exit only pull trim with cover plate, and, if you still want the lever shape, the 2900 Series 2901 narrow stile exit only lever trim and the 4900 Series wide stile exit only lever trim, both for 2000 Series devices. Match wide or narrow stile to the door before choosing.
13) Is a nightlatch trim a substitute for the 373L-DT?
They serve different openings. The 373L-DT is non-keyed - there is no cylinder and no way in from outside. A nightlatch trim adds a cylinder so a key retracts the latch, which is what you want on a service or back door that must stay secure but allow keyed entry. Sargent's 704ET is a Grade 1 heavy duty night latch lever trim with field reversible operation, the 704-ETL is the PE Series night latch lever trim with key retract, and the 744 is a Grade 1 freewheeling night latch trim for 8700 and 8900 Series surface vertical rod and mortise devices. Corbin Russwin's VT957ET is a nightlatch escutcheon trim for the ED5000 Series in stamped or formed stainless steel, and Dorma's YR03R is a wide stile nightlatch escutcheon lever trim supplied less cylinder.
14) Which lever exit trims are rated Grade 1 heavy duty like the Von Duprin 373L-DT?
The 373L-DT is a Grade 1, heavy duty commercial trim. Among cross-brand lever trims, Sargent's 704ET and 704-ETL are both Grade 1 heavy duty night latch lever trims, Falcon's 510L is a heavy duty classroom function lever trim for 24/25 Series devices, and Pamex E9000 is a Grade 1 storeroom function heavy duty lever trim covering 1-3/8 inch to 2 inch doors. Design Hardware's KIL entry and KIL storeroom lever trims are Grade 1 as well. Note that Falcon's 179L and 212L 20 Series trims are medium duty, which is a different spec tier if a facility standard calls for heavy duty throughout.
15) I have 1-3/4 inch commercial doors - which exit device lever trims state a door thickness range that covers them?
Among lever trims for exit devices, the Pamex E9000 storeroom function trim covers 1-3/8 inch to 2 inch doors, and Tell's escutcheon lever trims cover 1-3/8 inch to 1-3/4 inch: the EDELT53 in entry function and the EDELT80 in storeroom function. All three land on a standard 1-3/4 inch commercial door. If the door is thicker than 1-3/4 inch, the Pamex E9000 is the one whose stated range continues up to 2 inches.
16) Do dummy exit trims like the 373L-DT need to be handed the way keyed trims do?
The Von Duprin 373L-DT is handed and is ordered as right hand reverse or left hand reverse. Some cross-brand trims avoid that by reversing in the field: the Sargent 704ET night latch lever trim has field reversible operation, and the Command Access ET26 electrified trim is described as field reversible with Grade 1 construction. If you are stocking spares across a mixed-handing building, a field reversible trim reduces the number of part numbers you carry; if you are ordering for a specific opening, confirm the handing at the door and order the matching 373L-DT.
17) Is the 373L-DT trim heavy duty enough for a school or hospital corridor?
Rated heavy duty and commercial grade, certified to ANSI/BHMA A156.3 2014 Grade 1. That is the level facilities standardize on for schools, healthcare, government buildings and high traffic office and retail openings. Since it is dummy function there is no latch mechanism to wear out, only the lever and mounting.
18) Can I add function to a Von Duprin 373L-DT trim later if the building needs change?
The 370 Series is a modular control trim platform, and Von Duprin builds it so options and functionality can be added to existing devices rather than replacing the whole assembly. Practically, that means the dummy trim is a starting point on an opening you may later want keyed or electrified without tearing out the 88 Series device underneath.
19) Can I use a blank escutcheon trim in place of a dummy lever trim?
They cover the same hole but present differently. The 373L-DT gives the door a full lever on the outside with no latch operation. Falcon's 212L 20 Series trim is a blank escutcheon trim with shear pin protection, medium duty, so it presents a flat plate rather than a lever, and the Detex 02BN pairs a dummy S-lever with a blank escutcheon if you want both the plate and the lever shape. Choose the blank escutcheon where nothing should invite a pull, and the dummy lever where the outside should match the levers on adjacent doors.
20) What are the thumbpiece and pull trim alternatives to a lever exit trim?
Where a lever is not wanted - gloved hands, cart traffic, or a facility standard that avoids protruding levers - the pull and thumbpiece trims cover the same devices. Tell's exit device pull trim comes with a cylinder hole, less cylinder, and its EDTHP53 is a thumbpiece trim in entry function; both are rated for 1-3/8 inch to 1-3/4 inch doors. Dexter's ED1000T-CLRM-TP-NC is a Grade 1 classroom trim combining thumbpiece, pull plate and cylinder, supplied less cylinder, and the ED1500T-PULL-NC is a Grade 1 nightlatch trim with a raised lip pull plate. Design Hardware's 2P-03NL is a Grade 1 pull trim with cylinder hole in night latch form for 1000R and 2000R devices.
21) Which exit device trims use an Augusta lever design instead of the Von Duprin lever designs?
The Von Duprin 373L-DT lever dummy trim is ordered with a lever design chosen from the 01, 02, 03, 06, 07, 12 and 16 levers. If the building standard is an Augusta lever instead, Accentra covers that shape across functions: the 426F Augusta lever escutcheon trim for 6000 and 1800 Series devices, the AU-441F night latch keyed lever trim with the Augusta design, and the 446F classroom function Grade 1 trim with the Augusta lever. Match the lever family across the openings so the doors read the same to occupants.
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Absolutely. The Von Duprin VON-373L-DT-626 is backed by a manufacturer’s warranty.
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