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LCN 4020 Series Drop Plate for Narrow Top Rail and Flush Ceiling Applications
Essential Installation Accessory for Restricted Head Frame Conditions
The LCN 4020 Series Drop Plate is a specialized installation accessory designed to enable proper door closer mounting in applications with limited head frame clearance. Required where head frame dimensions are less than 3 7/16" (87 mm), this drop plate accommodates narrow top rail and flush ceiling installations while maintaining optimal closer performance. The plate requires a minimum 1 3/4" (44 mm) head frame depth and 2" (51 mm) top rail with a maximum reveal of 3 7/8" (98 mm).
Professional Features & Benefits
- Critical Dimension Compatibility: Designed for head frames less than 3 7/16" (87 mm) where standard mounting is not feasible.
- Minimum Clearance Requirements: Accommodates installations with 1 3/4" (44 mm) minimum head frame and 2" (51 mm) top rail dimensions.
- Maximum Reveal Specification: Supports installations up to 3 7/8" (98 mm) maximum reveal for versatile application compatibility.
- 4020 Series Integration: Specifically engineered for seamless compatibility with LCN 4020 Series door closers.
- ADA Compliant Design: Meets accessibility requirements for commercial door control applications.
- Commercial-Grade Construction: Built for demanding commercial environments requiring reliable door control solutions.
- Installation Flexibility: Enables proper closer mounting in challenging architectural conditions including flush ceiling applications.
Technical Specifications
- ADA Compliant: Yes
- Commercial/Residential: Commercial
- Department: Door Hardware
- Parts and Accessories Type: Installation Accessories
- Product Attribute: Parts and Accessories
- Product Category: Door Controls
- Product Group: Door Controls
- Product Model: 4020-18
- Product Subgroup: Parts and Accessories
- Product Type: Drop Plate
- Series: 4020 Series
- Subcategory: Parts and Accessories
Professional Applications
- Commercial Office Buildings with Limited Head Frame Clearance
- Educational Facilities with Flush Ceiling Construction
- Healthcare Institutions Requiring ADA Compliance
- Retail Establishments with Architectural Constraints
- Industrial Facilities with Narrow Top Rail Conditions
- Multi-Tenant Properties with Varied Door Frame Specifications
- Government Buildings Requiring Accessible Door Control Solutions
Why Choose LCN Quality?
LCN door control accessories deliver professional-grade reliability with precision-engineered compatibility for 4020 Series applications. ADA compliant design ensures accessibility compliance while accommodating challenging installation conditions. Engineered for demanding commercial applications where dependable door control performance is essential.
Manufacturer Resources
Product Specs
- Series:
- 4020 Series
- Subcategory:
- Parts and Accessories
- Product Group:
- Door Controls
- Product Subgroup:
- Parts and Accessories
- Product Type:
- Drop Plate
- Commercial/Residential:
- Commercial
- ADA Compliant:
- Yes
- Parts and Accessories Type:
- Installation Accessories
- Product Attribute:
- Parts and Accessories
- Product Model:
- 4020-18
- Product Category:
- Door Controls
- Department:
- Door Hardware
LCN 4020-18 689 – Frequently Asked Questions
How fast can I get the LCN 4020-18 689 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 LCN 4020-18 689 come with a warranty?
Absolutely. The LCN 4020-18 689 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 LCN 4020-18 689?
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 LCN 4020-18 689 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.