Lockwood Symmetry Dummy Knob Imperial TP
The Lockwood Symmetry Dummy Knob Imperial TP is a non-operating decorative knobset designed for residential applications where traditional round rose styling is required without latch operation functionality.
This dummy knob features the Imperial TP (Traditional Profile) design with a 65mm diameter round rose, providing classic styling suitable for heritage and contemporary residential interiors. Constructed from brass and stainless steel with a concealed vertical mounting screw fixing, the dummy knob offers clean professional installation with snap-on trim covering.
Part of the comprehensive Symmetry door furniture range, this dummy knob coordinates aesthetically with active Symmetry locksets featuring the OneCyl® cylinder interchangeability system. The dummy knob is fire rated up to 4 hours and carries a Corrosion Security C6 rating, with all products tested in accordance with Australian Standards.
Estimated Warehouse Dispatch
Usually ships in 3 business days
Usually ships in 3 business days
Available Finish Options
- 7025PSS
Polished Stainless Steel - 7025SSS
Satin Stainless Steel
Finish selection does not affect functionality, compliance, or performance.
Key Features
- Dummy function knob for non-operating decorative applications
- Imperial TP (Traditional Profile) round rose design
- 65mm diameter round rose for classic styling
- Brass and stainless steel construction
- Concealed vertical mounting screw with snap-on trim
- Fire rated up to 4 hours for fire door applications
- Corrosion Security C6 rating for superior durability
- Reversible handing for left or right-hand doors
- Suitable for door thickness 32-46mm
- Tested to Australian Standards
- Part of OneCyl® compatible Symmetry range
What's in the Box
- Dummy knob assembly (pair)
- 65mm round rose plates (pair)
- Concealed vertical mounting screws
- Snap-on trim covers
- Mounting hardware
- Installation instructions
Suitable Uses
- Non-operating side of double doors
- Inactive door panels in multi-panel systems
- Decorative applications requiring knob appearance without operation
- Coordinating furniture with active Symmetry locksets
- Fire-rated doors requiring up to 4 hour rating
- Residential entrance and interior doors
- Wardrobe and closet doors
- Heritage and traditional interior design schemes
Full Specifications
Dimensions
Imperial TP (Traditional Profile) knob design showing round rose configuration and traditional styling details for the Symmetry dummy knob.
Installation configuration showing knob assembly, round rose plate and concealed vertical mounting system with snap-on trim.
Detailed view of knob assembly showing 65mm round rose diameter, mounting hardware and component relationships for dummy knob installation.
Frequently Asked Questions
- What is a dummy knob and when is it used?
A dummy knob is a non-operating decorative door knob that does not turn or operate a latch mechanism. It is used on the inactive side of double doors, decorative applications, or anywhere the appearance of a knob is required without operational functionality. - What does Imperial TP (Traditional Profile) mean?
Imperial TP refers to the Traditional Profile design featuring a classic round rose with 65mm diameter. This profile provides traditional styling suitable for heritage properties and classic residential interiors while maintaining contemporary quality standards. - Can this dummy knob be used on fire-rated doors?
Yes. The Symmetry dummy knob Imperial TP is fire rated up to 4 hours, making it suitable for fire-rated door applications when installed according to manufacturer specifications as part of a complete fire-rated door assembly. - What is the Corrosion Security C6 rating?
The C6 rating indicates superior corrosion resistance performance according to Australian Standards testing. This ensures the hardware maintains its finish and functionality in challenging environmental conditions including coastal and high-moisture areas. - Can this be paired with active Symmetry locksets?
Yes. The dummy knob is part of the Symmetry range and coordinates aesthetically with active Symmetry entrance locksets, passage sets, and privacy locks. This allows matching appearance across operating and non-operating doors in the same property. - What door preparation is required for dummy knob installation?
Dummy knobs require minimal door preparation compared to operating locksets. Installation involves drilling a through-hole for the mounting screw and securing with the concealed vertical mounting system. No latch preparation, backset drilling, or strike installation is required.
Additional Information
- Symmetry Range Integration:
This dummy knob is part of the comprehensive Symmetry door furniture range. The Imperial TP profile provides traditional round rose styling that complements both heritage and contemporary residential interiors while coordinating with the broader Symmetry lockset family. - Quality Construction:
Constructed from brass and stainless steel with a stainless steel bolt, the dummy knob provides durability appropriate for residential applications. The Corrosion Security C6 rating ensures reliable performance in Australian environmental conditions including coastal areas. - Concealed Fixing System:
The vertical mounting screw fixing is concealed by snap-on trim, providing clean professional appearance without visible mounting hardware. This installation method simplifies fitting while maintaining aesthetic quality appropriate for high-end residential applications. - Fire-Rated Performance:
With a fire rating up to 4 hours, this dummy knob is suitable for fire-rated door applications in residential and multi-residential developments. Fire compliance is system-based and requires installation as part of a complete tested and certified fire-rated door assembly. - Australian Standards Compliance:
All Symmetry products are tested in accordance with Australian Standards for security and durability. This ensures reliable performance in Australian residential applications and compliance with local building requirements and specifications. - OneCyl® System Compatibility:
While dummy knobs do not contain operating cylinders, they are part of the Symmetry range that features the OneCyl® cylinder interchangeability system in active locksets. This allows coordinated door furniture across properties with integrated keying solutions in operating hardware. - Installation Guidance:
Dummy knobs require only through-hole preparation for the mounting screw. Installation instructions are supplied with the product. Professional installation is recommended to ensure correct alignment, secure fixing, and aesthetic coordination with active locksets where applicable. - Finish Selection:
Available in Polished Stainless Steel (PSS) for bright reflective appearance, or Satin Stainless Steel (SSS) for contemporary brushed finish. Both finishes provide excellent corrosion resistance and are covered by the 5 year finish guarantee against defects in materials and workmanship.
Lockwood Warranty (Australia)
Lockwood branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
Lockwood branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
- Mechanical components: 25 years
- Stainless steel finishes: 5 years
Cosmetic finishes, normal wear and tear, misuse, unauthorised modification, corrosion and labour or freight costs are excluded.
This warranty operates in addition to rights available under the Australian Consumer Law.
Download PDF Resources
Lockwood Symmetry Catalogue
Lockwood Symmetry Knobset Installation Instructions
Lockwood Symmetry Catalogue
Lockwood Symmetry Knobset Installation Instructions
Lockwood Warranty Overview
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary depending on product type, mechanical components, electrical elements, and finish category.
This overview summarises the structure of Lockwood warranty coverage. Full terms, exclusions and claim procedures are set out in the official Lockwood Warranty document.
Warranty Periods Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- Decorative finishes including Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants: typically up to 2 years against corrosion.
- Unlacquered brass finishes will naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where cleaning and maintenance have not been followed.
What the Warranty Covers
- Defects in material and workmanship during the applicable warranty period.
- Assessment by ASSA ABLOY to determine repair, replacement with the same or closest equivalent product, or refund of purchase price.
Common Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product through the original place of purchase where applicable.
- If claiming directly, obtain a case number before returning goods.
- Products must be securely packed and clearly identified.
- Warranty assessment determines repair, replacement or refund.
Australian Consumer Law
Lockwood warranties operate in addition to rights available under the Australian Consumer Law. Goods come with guarantees that cannot be excluded. Customers may be entitled to a replacement or refund for a major failure and compensation for reasonably foreseeable loss or damage.
Where a product fails to meet acceptable quality standards and the failure does not amount to a major failure, the customer is entitled to repair or replacement.
