Internal Backwater Valve,4-F 4" Float Model Flood-Guard for 4-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection

★★★★★ 4.8 77 reviews

$24.99
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$24.99
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Free shipping Free 30-day returns

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Management number 219019136 Release Date 2026/05/03 List Price $10.00 Model Number 219019136
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★ Great Material: The main parts are made of solid brass which is durable and corrosion resistant.The gaskets are made of molded rubber which is soft and durable. ★ Adventage: ***1.Very easliy to install just need a screwdriver. ***2.Help reduce losses, and some messy cleanup work. ***3.The embeded gasket provides strong seal without slipping. ***4.Solid brass construction for unsurpassed durability. ★ Package includes: 1Pack 2" Float Model Flood-Guard.

  • ★ 【Material】: The main parts are made of solid brass which is durable and corrosion resistant.The gaskets are made of molded rubber which is soft and durable.
  • ★ 【SIZE】: 4-F 4" Float Model Flood-Guard for 4-inch Flood Drains! Please check the size of drain tube before buying!
  • ★ 【Introduction】: Flood-Guard operates like a check valve to seal off water back-up caused by overloaded sewers. Water flows normally through the drain until the sewer begins to back up. Then the Flood-Guard float rises to seal off the drain opening until the water recedes.
  • ★ 【Adventage】: A screwdriver and a couple of minutes are all you need to install a Flood-Guard. Once in place, it can prevent property damage and a very messy clean-up job.
  • ★ 【Package Include】: 1Pack 4" Float-guard Model Flood-Guard.
UPC 779880498541
Size 4" Flood-Guard
Brand Name Minimprover
Unit Count 1.0 Count
Valve Type Check Valve
Thread Size 4 inches
Thread Type Standard Pipe Thread
Manufacturer Minimprover
Model Number H087-4
Material Type Brass, Rubber
Connector Type Threaded
Exterior Finish Brass
Number of Ports 2
Number of Pieces 1
Inlet Connection Size 4 Inches
Inlet Connection Type Standard Pipe Thread
Outlet Connection Size 4 Inches
Outlet Connection Type NPT
Manufacturer Part Number H087-4
Smart Home Compatibility Not Smart Home Compatible

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4.8 out of 5
★★★★★
77 ratings | 32 reviews
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