PVC Gutter First Flush Diy Kit

6009519155151
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  • The “First Flush” rainwater filter system will divert any small or dissolved pollutants from your roof and gutters into a separate pipe chamber so it does not enter the tank
  • The first flush of water from the roof can contain amounts of bacteria from decomposed insects, lizards, bird and animal droppings and concentrated tannic acid
  • It may also contain sediments, waterborne heavy metals and chemical residues, all of which are undesirable elements to have in a water storage system
R342 incl. VAT
R298 excl. VAT

IN STOCK at EXTERNAL supplier.
If ordered before 10AM:
DELIVERED 2-3 business days (main centres)
or 5-7 business days (regional areas or large items)
COLLECTION from GeeWiz available 2-3 business days (approx 4:30pm)

Or as low as R114 over 6 months interest-free, using your existing credit card. How it works

Volume discounts

Quantity Price You Save
5 R336 2%
10 R329 4%
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The “First Flush” rainwater filter system will divert any small or dissolved pollutants from your roof and gutters into a separate pipe chamber so it does not enter the tank

The first flush of water from the roof can contain amounts of bacteria from decomposed insects, lizards, bird and animal droppings and concentrated tannic acid

It may also contain sediments, waterborne heavy metals and chemical residues, all of which are undesirable elements to have in a water storage system

When it first starts to rain, water slowly builds up in the roof gutter system before it exits through the downpipe. Gutter mesh and baskets (leaf catchers) will help with leaves and larger debris but can’t stop small bits like dust and bacteria. That is why it is recommended that you install a First Flush Diverter. We all know that prevention is better than cure and so it makes sense to stop the pollutants from entering your tank.

How it works:

The first flush device is installed along the gutter downpipe that will feed into your water tank. As the water level in the first flush diverter chamber (110mm pipe) rises, the ball floats and rises. Once the chamber is full, the ball rests on a seat inside the chamber preventing any further water entering the diverter. The subsequent flow of clean water is then automatically directed along the pipe system through the T piece into the rainwater tank.

It is best to have one first flush diverter on each downpipe however a single unit can be placed close to the tank and perform a first flush for several downpipes. This will really depend on how big your roof catchment is and how clean you need the water to be.

The amount of water you need to first flush will depend on a few things like:

The size of your roof- The recommended minimum first flush is 4L per 20m of roof catchment area

The amount of leaves and pollution on the roof (polluted areas need to be flushed more

The intended use of the water (drinking water will need a bigger first flush)

(You should always check the quality of the water in your tanks before drinking it)

The amount of water flushed is determined by the length of the 110mm PVC (flush) pipe attached to the first flush kit. The average is 1m of 110mm PVC pipe will flush 50sqm of roof catchment area. The 110mm pipe is not included in the DIY kit but is readily available at any good hardware store. (It is sometimes only sold in 4 or 6 metre lengths although some hardware stores or plumbing supplier will cut a piece for you). As an example, 850 mm of 110mm pipe will give you an 8 litre system.

The first flush system is a simple and effective device. After the rain, just drain the system through the valve, ready for the next rain. The bottom of the unit (end cap) can be screwed off to fully clean the unit occasionally. During periods of frequent rain, it may not be necessary to drain the first flush device every time it starts raining as the roof and gutters may already be clean.

First flush systems work best when a leaf catcher box is installed at the start of the downpipe. The leaf catcher box (available from us and sold separately) is fitted at the start of the downpipe either directly on the underside of the roof gutter at the facia board, or to the wall. The device deflects leaves and debris away from the flow of rainwater.

What's in the box

  • Top intake cap/adapter (Intake to insert standard 80mm round gutter downpipes)
  • Float ball
  • 110mm aluminium bracket for mounting the unit to the wall
  • 80mm round T piece
  • Bottom base cap with screw off lid for cleaning
  • Valve for draining the water
Unbranded
6009519155151
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  • Return of merchandise (RMA) and Warranty

    We want you to be happy with the purchase you have made from us. If you are not completely satisfied, you may return the product to us and we will either refund, credit, repair/replace it, subject to the below terms and conditions. 

    You can return purchases for a refund (excl shipping). Please notify us within 7 days and ensure item is ready maximum 10 days after delivery date.

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    - Changed my mind / Item exchange

    - Faulty on arrival

    - Incorrect item received

    All items are covered by a 12 month warranty (unless otherwise stated) which will be honoured directly by GeeWiz. All products will either be replaced/repaired/refunded depending on stock availability. Products will require evaluation by GeeWiz before a warranty claim can be accepted.

    Should the item being returned for assessment be found to be in good working order, unfortunately, there will be a collection fee that will apply.

    The collection fees are as follows:

    - For returns on items that were sent with free shipping: R198

    - For returns that had a surcharge, the same surcharge will apply for collection.

    Please log your return on your account, under the returns manager.

    We do not reimburse your fee to ship to us, but we will pay for return shipping if the item is subject to replacement. If the item you wish to return was ordered incorrectly / is no longer required / you have changed your mind, there is a collection fee that will be charged (please refer to the above) and this will be deducted from the refund amount once the supplier has credited us. Please note GeeWiz will only cover return shipping of a faulty unit within 6 months of purchase, after which, a shipping fee (starting from R198) will be applicable to you for the return of the unit.

    Any disputes relating to ordered items being short/incorrectly shipped will only be entertained if reported to GeeWiz within 3 days of delivery/collection.

    Refunds are subject to inspection of item(s) - in some cases, items will need to be sent to supplier for evaluation and testing. This can take up to 15 working days. Once a refund has been approved, this may take 3 - 5 business days to be processed.

    ALL returns are subject to up to a 30% restocking fee if item is no longer in BRAND NEW condition or if item seal/packaging has been broken.

    Please re-package safely and include all original product packaging.  

    All software products are unfortunately not eligible for credit or refund once purchased.

    After the 6-month period, you will no longer be eligible and won't be able to receive a refund. We can however replace or repair depending on the outcome after our team of professionals has inspected the product.

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    Batteries are covered under warranty, but please note that GEL, AGM and LEAD ACID have limited cycle runs. These are typically around 200 cycles and may run out before the end of the warranty. Once the cycles have been depleted, it means the battery has reached the end of life and will no longer be a warranty claim.

    GeeWiz reserves the right to refuse a refund if the item is damaged from misuse, items are missing, or if the product is altered in any way. 

    GeeWiz or its affiliates are not responsible for damage or loss of any kind that may occur as a result of using or misusing any product purchased from us.

    The warranty will no longer be valid, and GeeWiz will not be responsible for damage or injury of any kind resulting from:

    • Electricity fluctuations and surges, lightning strikes, faults in the building wiring, faulty installations, and improper use of controls
    • Failure to use the product in accordance with the operating instructions and or general misuse and or abuse
    • Damage caused by a superior force (vis major) or if the product has been infested with insects or pests
    • If the product is physically damaged after it left the store
    • If water or liquid caused the damage to the product
    • If the warranty seal is tampered with
    • Any repair or tampering by an unauthorised person or attempt to repair or tamper with the equipment, or use of parts not supplied by authorised agents, or alterations or modification to the equipment shall render the warranty null and void.

    For hygiene purposes.

    Please note we cannot accept returns for apparel that has been worn, stained, frayed, or otherwise shows signs of use.

    We can only accept returns for items that are damaged upon receipt or are faulty.

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