Freeze Relief for 3-inch & 4-inch Drain Lines,Sump Pump Discharge Freeze Guard, Freeze-Relief Drainage Vent Prevents Burst Pipes, Fits 4" SCH 40, 4" SDR 35, 4" DWV, 3" DWV, 3" SCH 40

★★★★★ 4.2 87 reviews

US$6.40
Price when purchased online
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US$6.40
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Product details

Management number 247094900 Release Date 2026/08/16 List Price US$6.40 Model Number 247094900
Category
  • 【3-inch & 4-inch Universal Freeze-Relief 】One Part, Zero Guesswork Step-fit dual-size outlet fits both 3" and 4" drain lines to cover most installs in one SKU. Compatible with 4" SCH 40, 4" SDR 35, 4" DWV, 3" DWV, 3" SCH 40. Designed to relieve discharge pressure and assist with overflow drainage. This product does not function as a check valve or backflow preventer. If backflow occurs, inspect your sump pump check valve or drainage system for proper operation.
  • 【Freeze-Relief Safety 】When the buried line ices up or clogs, the vent provides a secondary path to relieve back-pressure—helping prevent cracked pipes, overworked pumps, and basement flooding. Designed to relieve discharge pressure and assist with overflow drainage. This product does not function as a check valve or backflow preventer. If backflow occurs, inspect your sump pump check valve or drainage system for proper operation.
  • 【Simple Above-Grade Install 】Installs between the 1-1/2" sump discharge and the outdoor drain line; works with typical check valves/unions. Mount above grade with vents facing down—no valves or seasonal switching required. Designed to relieve discharge pressure and assist with overflow drainage. This product does not function as a check valve or backflow preventer. If backflow occurs, inspect your sump pump check valve or drainage system for proper operation.
  • 【All-Season Benefit 】 In winter it relieves freeze-ups; in heavy rain it reduces outlet back-pressure and standing water—helping cut odor and mosquitoes around the foundation. Designed to relieve discharge pressure and assist with overflow drainage. This product does not function as a check valve or backflow preventer. If backflow occurs, inspect your sump pump check valve or drainage system for proper operation.
  • 【Built to Last 】Impact-resistant body performs in cold/wet climates. Large downward-facing vents resist debris entry and are easy to inspect/clear for long-term reliability. Designed to relieve discharge pressure and assist with overflow drainage. This product does not function as a check valve or backflow preventer. If backflow occurs, inspect your sump pump check valve or drainage system for proper operation.

UPC 753853864144
ASIN B0G4PLYD9B
Color White
Brand Name Avanhitch
Manufacturer Avanhitch
Model Number Avanhitch
Power Source NO
Material Type PVC
Product Style Freeze Relief for 3-inch & 4-inch Drain Lines
Number of Items 1
Included Components Freeze Relief
Specific Uses For Product freeze relief for 3-inch & 4-inch drain lines

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4.2 out of 5
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87 ratings | 36 reviews
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