Deep Seal "P" Traps

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Deep Seal "P" Traps

Figure Number:  7220
With Female Threaded Inlet and Outlet
Product Function:
Provides the protection of an independent "deep seal" cast iron trap when used in conjunction with bottom outlet drains.

Regularly Furnished:
Duco Cast Iron Trap.
Product Details
  • Product Type:  Trap
Related Figure Numbers
  • 7221 - With Male Threaded Inlet and Female Threaded Outlet
  • 7222 - With Hub Inlet and Spigot Outlet
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NameDescriptionFile Size
Specifications US Govt ComplianceItems complying with U.S. government specifications34 KBDownload
CSI Specifications for Backwater ValvesCSI Specifications for Backwater Valves102 KB
NameDescriptionFile Size
Parts Order Guide for Backwater ValvesParts Order Guide for Backwater Valves549 KBView

Optional Materials

  • All Bronze -BB
  • Galvanized Cast Iron -G
  • Acid Resistant Coating Inside -ARI


  • Bronze Cleanout Plug -BP
  • Flushing Connection 1/2"(13) NPT -FC
  • Trap Primer Connection -P050 1/2" (13), -P075 3/4" (19)
  • NO-HUB Adaptor - (Specify Fig. 2646Y)