These residential rainwater collection tank modules form a buried storage chamber for capturing roof runoff at houses, villas and small residential developments. The system can preserve usable garden space while supplying approved non-potable demands such as irrigation.

System role and suitable projects
The page focuses on residential-scale collection. Tank volume should be matched to roof area, rainfall, household or landscape demand, available space and overflow arrangements rather than selected from module count alone.
- Garden irrigation storage for houses and villas
- Small residential development rainwater reuse
- Underground roof runoff storage beneath landscaped areas
- Residential attenuation with a defined overflow route

Module specifications
The following values are the legacy product specifications for this module. Structural capacity, cover depth, traffic loading and applicable test requirements must be checked for the actual project design.
| Type | Rainwater Collecting Modular |
| Place of Origin | Fujian China(Mainland) |
| Brand Name | LEIYUAN |
| Material: | PP |
| Color: | Black |
| Dimension | 680 L*410 W*450Hmm |
| Total Volume: | 0.125m3 |
| Tank per m3 | 8 |
| Weight: | 8kg/module |
| Working Temperature: | From -30℃ to +120 ℃ |
| Pressure Strength: | 25tons/sqm |
| HS Code: | 3925900 |
| Certificate: | ISO9001:2008 |
How the modular tank works
Roof runoff passes through leaf and sediment control before entering the wrapped underground tank. A small pump and controls can supply approved reuse points, while overflow connects to the permitted drainage or infiltration route.

Installation planning
- Confirm runoff volume, design storm, inflow and discharge requirements.
- Check excavation, groundwater, soil bearing conditions and required cover depth.
- Prepare a level base and assemble modules according to the approved layout.
- Wrap the structure with the specified geotextile and/or waterproof membrane.
- Connect inlet, outlet, ventilation, inspection and overflow components.
- Backfill in controlled layers and commission the system before operation.


Packing and project support
| Detail: | Size | Packing |
| 680x410mm | 8pcs/bundle | |
| 450x410mm | 10pcs/bundle | |
| Shipping: | 90 Cubic Meter for 1X20′ GP(By bundle) |
Module quantities and container loading should be confirmed from the final tank geometry and current packing plan. Leiyuan can review project volume, module layout and shipping requirements for professional buyers.


Information required for a quotation
Send the project location, required storage volume, application, installation depth, surface load, groundwater level, drawings and delivery destination. This allows the module and system build-up to be checked before quotation.