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Door Hardware Basics
Most door hardware will fit the following door preparation. If you have something different, please contact us so we can help you find exactly what you need.
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Viaggo Circolo Crystal Knob with Hammered Circolo Rosette
The meticulous corners and mathematical symmetry of the Hammered Circolo Rosette provide a crisp display of modern simplicity. The linen texture recollects a fabric favored by travelers for over a century, as well as an artist’s canvas. Add a true one-of-a-kind element with the gleaming sculptural facets of the Stella Crystal knob. All Viaggio products are made with longevity and durability in mind so they can be enjoyed for generations to come.
- Industry Leading Lifetime Mechanical Warranty- Lead free crystal knob and solid forged brass rosette precision polished for superior quality. - Features Concealed Screw Mechanism (CSM) for clean, uncomplicated style with no visible screws on the rosette.- Premium mechanics, achieved through demanding production tolerances, ensure silky-smooth operation.- Passage, Privacy, and Double Dummy includes complete set for one door (both sides).- Passage and Privacy sets fit doors 1-3/8" to 1-3/4" thick.- Assembled in the USA.
Passage and Privacy Installation Instructions
Passage and Privacy Door Prep
Dummy Door Prep
Warning for California Residents - See Proposition 65
Viaggio Door Knob Functions
Viaggio door knobs are available in several functions. Please review the descriptions below so you can order the correct door door knob for your application.
Lifetime Mechanical Warranty
Viaggio® warrants to the original purchaser/user that our products will be free of material and mechanical defects so long as the purchaser/user occupies the residential premises on which the products were originally installed. Exceptions to this warranty include products that have been incorrectly installed or mistreated, common area applications, and non-residential applications. Product finishes are addressed in our Finish Warranty
10 Year Limited Finish Warranty
Viaggio® products are protected by a durable topcoat to maintain their beautiful, high quality finish. Viaggio® warrants to the original purchaser/user that our finishes are free from defects in material and workmanship to include tarnishing, flaking, or discoloration so long as the purchaser/user occupies the residential premises on which the products were originally installed for ten years from date of purchase. Finishes on exterior installations in Coastal Areas are warranted for one year only. Exceptions to this warranty include scratching or abrading from normal use, incorrectly installed or mistreated products (including use of chemical cleaners), common area applications, and non-residential applications.