Lead Seal Plug with Square Frame and Cover
Lead Seal Plug with Square Frame and CoverLead Seal Plug with Square Frame and Cover

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Lead Seal Plug with Square Frame and Cover

Figure Number:  4430 & 4431
With Face-of-Wall-Cover
Product Function:
Used in hub openings in drainage piping where a cleanout is required. The straight thread lead seal plug permits quick and easy removal. Grooves on outside of ferrule prevent turning. Type of cover as indicated by figure number selected. Both covers are used to cover cleanouts concealed in walls. The square design is particularly adaptable to adjacent walls, floors, ceilings, etc., that are finished of material in straight line patterns. The anchoring lugs provide easy means for securing the frame to the wall construction. The face-of-wall (4430) cover is for tile, masonry, or dry wall construction, and is usually installed on an opening provided in the finished wall. The flush-with-wall (4431) cover is for plaster or wet wall construction and is installed during the wall construction.

Regularly Furnished:
Duco Cast Iron Caulk Ferrule with Cast Iron Lead Seal Plug, with Chrome Plated Bronze Square Frame and Secured Cover. Type of Cover as Indicated by Figure Number Selected.
Product Details
  • Product Type:  Cleanout
Related Figure Numbers
  • 4431 - Flush-with-Wall-Cover
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NameDescriptionFile Size
Specifications US Govt ComplianceItems complying with U.S. government specifications34 KBDownload
CSI Specifications for CleanoutsCSI Specifications for Cleanouts216 KB

Smith No. 4430 cast iron ferrule with lead seal plug; chrome plated bronze square frame and cover secured with slotted screws for “face-of-wall”. Smith No. 4431 for “flush-with-wall” cover. Smith No. 4434 for taper thread plug for face-of-wall cover. Smith No. 4435 for taper thread plug for flush-with-wall cover.

NameDescriptionFile Size
Parts Order Guide for CleanoutsParts Order Guide for Cleanouts86 KBView

Optional Materials

  • Cast Bronze Body -BB
  • Cast Bronze Plug -BP
  • Nickel Bronze -NB - Frame
  • Polished Bronze -PB - Frame and Cover


  • T-Handle Plug -TP Plug Tapped 1/4"(6)-20 Thread
  • Vandal Proof -U - Screws