Georgia Water Tanks Online Store - Tanks, Pumps, and Filters - Rainwater Harvesting
Rainwater is a Resource
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Dry Wells

Georgia Water Tanks carries the full CULTEC Recharger HD stormwater chamber lineup, including the Recharger 300HD, 360HD, 902HD, and 330XLHD — plus the end caps, feed connectors, and non-woven filter fabric needed for a complete underground infiltration or detention system.

RECHARGER 300HD
A 30" (762 mm) tall, high-capacity chamber offering 6.53 ft³/ft of bare storage (346 gallons per installed unit). Each unit measures 7.54 ft long by 51" wide, with a 7.08 ft installed length, and is rated for up to 12 ft of cover. Compatible with the CULTEC HVLV FC-24 feed connector.

RECHARGER 360HD
A 36" (914 mm) tall chamber built for higher-capacity applications, delivering 10.00 ft³/ft of bare storage (36.66 ft³ per unit). Each chamber is 4.17 ft long and 60" wide, with a 3.67 ft installed length and a minimum center-to-center spacing of 5.75 ft. Rated for up to 12 ft of cover.

RECHARGER 902HD
CULTEC's largest-capacity chamber, standing 48" (1219 mm) tall and 78" wide, with a 3.67 ft installed length. It delivers 17.66 ft³/ft of bare chamber storage — built for large-scale commercial and municipal stormwater systems where maximum storage per footprint matters most.

RECHARGER 330XLHD
A low-profile option at 30.50" tall and 52" wide, with an 8.50 ft chamber length and 7.00 ft installed length. Designed for sites with shallow cover requirements while still delivering high storage capacity per row.

END CAPS
Model-specific end caps close off each chamber row and are injection-molded from blue virgin impact-modified polyethylene copolymers for long-term structural durability. Matching end caps are available for the 300HD, 360HD, 902HD, and 330XLHD chamber lines.

FEED CONNECTORS
CULTEC HVLV feed connectors create an internal manifold by inserting into the chamber end wall, allowing flow to move efficiently between rows without external manifold pipe. The FC-24 is compatible with the 300HD (and 150XLHD/280HD) chambers, while the FC-48 is sized for the 360HD and 902HD chambers.

NON-WOVEN FILTER FABRIC
CULTEC No. 410 non-woven polypropylene geotextile wraps the top, sides, and bottom of the chamber system to prevent soil intrusion into the stone bed while maintaining water flow. It offers 120 lbs tensile strength, 135 gal/min/sf water flow rate, and 70% UV resistance after 500 hours — engineered specifically for long-term performance in buried stormwater installations.

Sale


The Recharger® 330XLHD is a high-capacity, heavy-duty dry well chamber designed for residential stormwater management. Its large storage volume and compact footprint make it ideal for managing runoff from roofs, driveways, and other impervious surfaces.


CULTEC’s chambers may be used in residential applications to control rainwater collected from gutters and/or catch basins. The chambers collect and store the stormwater underground until the soil is able to accept it back into the ground. Puddles and saturated soil are eliminated as water is diverted into the chamber and recharged into the ground. CULTEC chambers are lightweight and easily transported by hand making them ideal to install in tight areas or where minimal site disturbance is desired.


CULTEC Plastic Chambers

  • Control rainwater from gutters, patio, driveway, and other impervious surfaces
  • Eliminate flooded basements and yards
  • Contain water from a sump pump, washer machine, pool backwash, or water softener discharge


System Benefits

  • Large storage capacity in small footprint
  • Fully-formed unit containing no separate parts*
  • Lightweight
  • Can be carried by one or two people
  • Keeps properties dry and usable by storing water underground, naturally recharging groundwater
  • Easily transported by pick-up truck
  • Corrugated arch design for structural integrity
  • Quick and easy installation
  • Minimal site disturbance
  • Optional water quality unit to capture leaves and debris, ensuring the proper operation of the underground storage system




FAQs

Need help determining rainfall amounts for your area? Visit NOAA’s National Weather Service Precipitation Frequency Data Server (PFDS)


Residential Drainage Calculator

Current version is: 08/20/24
MS-Excel spreadsheet that calculates out the number of chambers required based on the impervious area and rainfall event parameters.


DOWNLOAD

$675.00 $817.00
Cultec -
The Recharger 902HD End Cap is used with the Recharger 902HD Stormwater Chamber to cap the end of chamber rows. Length 0.81 ft0.25 m Width 78 in1982 mm Height 48.5 in1231 mm Installed Length 0.52 ft0.16 m Chamber Storage 5.34 ft³/ft2.76 ft³/unit0.50 m³/m0.08 m³/unit Min. Installed Storage 19.88 ft³/ft10.28 ft³/unit1.85 m³/m0.29 m³/unit Max. Inlet Opening in End Wall 24 in600 mm
$970.00
Cultec -
902 HD Chamber 48" tall x 78" wide x 51" long. 8.3' max cover. 24" max opening on end. 11.5" max opening on side. 9" minimum base, 12" min cover for traffic rating, 18" min cover if unpaved; 12" if paved.
$750.00
The Recharger® 360HD is a 36″ (914 mm) tall, high capacity chamber with a side portal internal manifold feature & HVLV® FC-48 Feed Connector capability. Meets ASTM F3430, F2418 and F2787 standards.
$540.00 $750.00
Recharger 360 HD End Caps
$275.00
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