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Item #:
180807336
Rain Harvesting First Flush Plus Downpipe 4" WDDP111
85% of respondents would recommend this to a friend
Item #:
180807336
IDR 4457397
Price Details
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*All items will import from UK
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Imported from UK store
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Order now and get it around Saturday, October 10
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The First Flush Plus Downpipe protects rainwater quality by using the first flush to divert the water from your roof that is the most contaminated away from your rainwater tank.
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What Stands Out
First Flush System
Efficiently diverts the initial runoff of rainwater, reducing pollutant entry into storage tanks, ensuring cleaner water for your garden or home use.
Easy Installation
Designed for a hassle-free setup, fitting seamlessly with standard 4-inch downpipes, making it accessible for both DIY enthusiasts and professionals alike.
Durable Material
Constructed from high-quality, UV-resistant plastic, ensuring longevity and reliable performance against varying weather conditions over time.
Product Details
- Diverts the first flush of rainwater to improve water quality before it reaches the tank
- The diverted water is automatically released through a slow release valve for various uses
- Features the latest First Flush technology: First Flush Plus Tee
- Customizable Diverter Chamber allows for the addition of appropriate pipe length to divert the required volume of first flush
- Includes a Slow Release Control Valve for draining after rainfall events
- Comes with components such as First Flush Plus Tee, Ball Seat, End Coupling, Pipe Wall Brackets, Sealing Ball, Transparent Rapid Release Exit Funnel, Flow Control Valves, Plastic Filter Screen, and Hose Connector
| Brand | Rain Harvesting |
| Model Number | WDDP111 |
| Global Trade Identification Number | 09317118999203 |
| Unit Count | 1.0 count |
| Manufacturer | Blue Mountain Co |
| Number of Items | 1 |
| Part Number | WDDP111 |
| Thread Size | 4 inches (10.2 cm) |
| Valve Type | Ball Valve |
| Inlet Connection Size | 4 Inches (10.2 cm) |
| Outlet Connection Size | 4 Inches (10.2 cm) |
| Size | 4"Round Pipe (10.2 cm) |
| Material | Plastic |
| Item Weight | 1.5 lbs (680 grams) |
Who Should Buy?
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Water Conservationists
Ideal for users focused on conserving water and improving the quality of rainwater collected.
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DIY Enthusiasts
Perfect for those who enjoy installing their systems, enhancing their rainwater harvesting setups easily.
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Residential Users
Benefits homeowners who wish to collect clean rainwater for gardening, irrigation, or household use.
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Rural Property Owners
May not suit agricultural applicants needing larger scale water management systems for farming.
Product Description
Rain Harvesting First Flush Plus Downpipe 4" WDDP111
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is included in the box?
Answer: The box includes 1. First Flush Plus Tee 2. Ball Seat 3. End Coupling 4. Pipe Wall Brackets x2 5. Sealing Ball 6. Transparent, Rapid Release, Exit Funnel 7. Flow Control Valves x8 8. Plastic Filter Screen 9. Hose Connector. -
Question:
How does the diverter chamber work?
Answer: The customizable diverter chamber allows you to add appropriate pipe length to divert the required volume of first flush. -
Question:
What is the slow release control valve for?
Answer: The slow release control valve drains after rainfall events.
Rain Harvesting WDDP111 Editorial Review
Rain Harvesting First Flush Plus Downpipe 4" WDDP111 is designed to enhance rainwater harvesting systems by effectively diverting the initial dirty runoff water, ensuring cleaner water collection. Its ball valve ensures easy flow control, and compatibility with a 4-inch round pipe makes it versatile for various installations. Users appreciate its lightweight design, weighing only 1.5 lbs, which simplifies installation and maintenance. The durable plastic construction promises longevity in outdoor conditions, making it a reliable choice for eco-friendly water management.
Customer Reviews & Ratings
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Pros
- Easy installation due to lightweight design
- Durable plastic material for longevity
- Compatible with standard 4-inch pipes
- Effective initial water diversion functionality
- Smooth ball valve operation
Cons
- Minor adjustments may be needed for perfect fit
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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IDR 4457397
Order now and get it around Saturday, October 10
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Protects rainwater quality
- Diverts contaminated water from roof
- Use diverted water in drip irrigation or drainage
- Customizable diverter chamber
- Slow release control valve
- Includes latest First Flush technology
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