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Polyethylene sump basin 18 gal 22 in tall

Zoeller

Zoeller 31-0249 Radon Sump Trap 18 gal 22 in

SKU CH-HY6W-0DVYY MPN 31-0249

An 18-gallon polyethylene sump basin with a 3-inch vent and 4-inch inlet, standing 22 inches tall

  • Product typeDrain Components
  • 18-gallon capacity handles high-volume radon mitigation
  • 22-inch overall height fits standard sump installations
  • 3-inch vent size enables proper gas evacuation
  • 4-inch inlet diameter accommodates standard piping

Radon Sump Basin 18 gal

This polyethylene basin serves as a radon sump trap with an 18 gallon capacity and an overall height of 22 inches. It features a 3 inch vent and a 4 inch inlet diameter for system connections. The component is designed for sub-slab depressurization installations. Builders needing a different capacity or vent configuration cannot use this model.

Polyethylene Construction

The basin is moulded from polyethylene for corrosion resistance in below-grade environments. This material choice supports long-term durability when exposed to soil moisture and radon mitigation chemicals. No additional accessories or software are included with the unit. Installers must source piping, seals and cover assemblies separately.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $114.99
Pricier than about 80% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameZoeller
Model name31-0249
Product typeDrain Components

Questions about this item

Will the polyethylene basin crack or need replacement after years in the ground?

The basin is moulded from polyethylene, a material chosen for long-term resistance to soil chemicals and moisture, so it does not require scheduled replacement under normal conditions.

At what water level does the 3 in vent become the limiting factor during sustained inflow?

The 3 in vent handles airflow up to the basin's 18 gal capacity; sustained inflow beyond that volume will cause water to rise above the vent and restrict drainage.

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