Taper Thread Plug with Round Access Cover

Share this page
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Learn More about this warning

Taper Thread Plug with Round Access Cover

Figure Number:  4420 & 4422
Product Function:
Used in hub openings in drainage piping where a cleanout is required. Ribbing on outside of ferrule prevents turning of ferrule in the caulking lead. Face-of-wall cover is desirable on finished walls.

Regularly Furnished:
Duco Cast Iron Caulk Ferrule with Cast Bronze Taper Thread Plug. Type of Cover as Indicated by Figure Number Selected.
Product Details
  • Product Type:  Cleanout
Related Figure Numbers
  • 4422 - With Cover and Screw
{{ promotion.promotionTypeName }}

{{ product.promotionCatchPhrase }}

Model Number: {{ product.modelNumber }}

{{ product.productName }}

View on {{ product.siteDisplayName }}
NameDescriptionFile Size
Specifications US Govt ComplianceItems complying with U.S. government specifications34 KBDownload
CSI Specifications for CleanoutsCSI Specifications for Cleanouts216 KB

Smith No. 4420 cast iron ferrule with countersunk bronze plug. Smith No. 4470 for plug only.

WALL - ROUND COVER (4402 or 4422)

Smith No. 4402 cast iron ferrule with cast iron lead seal plug, round stainless steel cover with center screw. Smith No. 4422 for cast bronze taper thread plug.

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

Optional Materials

  • Cast Bronze Body -BB
  • Nickel Bronze -NB - Deep Cover 9 1/4"(235) & 11 1/4"(285) sizes only
  • Polished Bronze Deep Cover -PB 9 1/4"(235) & 11 1/4"(285) sizes only


  • Longer Center Screw -LS - 6"(150) Length
  • T-Handle Plug -TP Plug Tapped 1/4"(6)-20 Thread
  • Vandal Proof -U - Screws