Schlage Residential FC172 Plymouth Knob Non-Turning Double Dummy PairProfessional Residential Door Hardware SolutionThe Schlage Residential FC172 Plymouth Knob provides non-turning double dummy functionality for residential applications requiring door pull or matching inactive trim. This Grade 2 certified lockset accommodates door thickness from 1-3/8" to 1-3/4" with dual backset compatibility for 2-3/8" or 2-3/4" installations. Constructed with stainless steel substrate and featuring the classic Plymouth knob design from Schlage's F Series collection.Professional Features & BenefitsDoor Thickness Compatibility: Accommodates 1-3/8" to 1-3/4" doors for versatile residential installation options.Dual Backset Design: Universal latch fits either 2-3/8" or 2-3/4" backsets for flexible door preparation requirements.Stainless Steel Construction: Durable stainless steel substrate provides long-lasting performance and corrosion resistance.BHMA Grade 2 Certification: Meets ANSI/BHMA A156.2-2017 Grade 2 and A156.39-2015 Residential Grade AA standards for quality assurance.Fire Door Compatible: Available UL Listed for 90 minute fire door applications when required.Easy Installation: Features 3-step installation process requiring only a screwdriver for quick setup.Manufacturer Warranty: 10 Year warranty coverage for added confidence and protection.Classic Plymouth Design: Traditional knob styling complements residential dcor from bold to classic design preferences.Standard FeaturesCertification:ANSI/BHMA A156.2-2017 Grade 2ANSI/BHMA A156.39-2015 Residential Grade AAAAvailable UL Listed for 90 minute fire doorLatch: 1"x 2-1/4", 1/4" radius corner faceplate, 1" housing diameter, 1/2" throw, circular drive-in included, universal latchStrike: 1-5/8" x 2-1/4" radius corner, full lipBackset: Dual backset latches, fits either 2-3/8" or 2-3/4" backsetsCylinder: 5-Pin, C keyway, keyed alike (KA4)Door Range: 1-3/8" 1-3/4"Keys: Two per lock, 5-pin, C sectionInstallation & OperationReview manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.Professional ApplicationsResidential Entry DoorsInterior Door ApplicationsMulti-Family Housing UnitsApartment and Condominium BuildingsSingle-Family Home ConstructionDoor Pull ApplicationsInactive Trim MatchingWhy Choose Schlage Residential Quality?Schlage Residential FC172 locksets deliver professional-grade reliability with stainless steel construction and BHMA Grade 2 certification for demanding residential applications. The 10 Year warranty provides added confidence in long-term performance. Engineered for dependable operation with easy 3-step installation and universal compatibility for standard residential door preparations.