First Flush Advanced Release Valve | Rain Harvesting by Blue Mountain Co

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New
Universal size

Advanced Release Valve

First Flush Diverters
Take control over how frequently your first flush diverters empty and prevent clogging to minimise maintenance and improve your diverters’ performance.
Size Universal size WDRV01
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Take greater control

With its electronic auto-release timer, the advanced release valve lets you determine how frequently your first flush diverters are emptied. This allows you to better address your system’s needs, maximising both your water quality and your stored water volumes.

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Prevent clogging

The advanced release valve’s unique funnel and large draining valve help to prevent your first flush diverters from clogging up. This ensures that your diverted water drains like it’s supposed to, minimising maintenance requirements and protecting your stored rainwater quality.

Clear Exit Funnel

Make maintenance easy

Thanks to its clear exit funnel, you can easily inspect your advanced release valve to see if your first flush diverter requires additional maintenance. Rather than inspecting your diverters after every 3 rainfall events, you can take care of this task every 3 months instead.

See it in action:

  • Specifications

  • What's in the box?
    • Transparent, Rapid Release Exit Funnel
    • Advanced Release Valve
    • Primary Filter Screen
  • Tools/material you may require
    • 2 new 1.5 volt AAA batteries
  • Installation
    1. Insert the Primary Filter into the end of the pipe. It should fit snuggly into the socket on the end of the pipe.

    2. Install the Transparent Rapid Release Exit Funnel, ensuring the o-ring is seated correctly. It should be screwed up firmly to compress the o-ring.

    3. Attach the Advanced Release Valve by first installing the 25mm x 20mm (1” x 3/4”) reducing adaptor and washer to the 25mm (1”) thread of the screw cap.

    4. Remove the union from the valve and attach to the reducing adaptor with 20mm (3/4”) washer in place.

    5. Attach the valve at the union and orientate dial for easy access.

    6. Remove the waterproof cover from the Advanced Release Valve.

    7. Ensure the reset interval and drain time control knobs are in the “RESET” and “CLOSED” positions. Carefully slide out the battery box and install two new 1.5-volt AAA batteries.


    8. Test the unit by turning the drain time knob to the “OPEN” position. You should hear the sound of the motor within 5 seconds. Turn the drain time knob back to the “CLOSED” position ready for setting.

      NOTE: If you do not hear the sound of the motor, check that the batteries are installed correctly.

    9. Ensure that the reset interval and drain time knobs are in the “RESET” and “CLOSED” positions. Set your reset interval and drain time according to the tables in the Advance Release Valve Reset and Drain Time Settings tab, then replace the battery box cover.

      NOTE: A long reset interval will mean that the wet system pipe empties less frequently. A short reset interval will mean that the wet system pipe empties more frequently.

  • Advance Release Valve Reset and Drain Time Settings

    NOTE: The first time you program the Advance Release Valve it will not begin to operate until after a time delay equal to the setting of the reset interval knob you select. The Advance Release Valve starts to keep time when you set it. It is important that you set the timer at the hour you want it to operate. For example, if you want the Advance Release Valve to operate at 07:00AM, you must physically set it at 07:00AM.

  • Maintenance

    It’s important to ensure that your Advanced Release Valve outlet remains clear of any debris.

    If your outlet becomes blocked, the chamber will not empty and the first flush of water will not be diverted when it rains.

    To ensure the flow of water out through your Advanced Release Valve’s outlet, periodically remove the transparent rapid release exit funnel to check for any build-up of matter (Remove primary filter and clean if required).

    Periodically check that the Advanced Release Valve batteries have charge. This is indicated by the flashing light.

    To protect your Advanced Release Valve from freezing or “winterising”, remove the timer prior to the first frost or freeze and store it indoors until spring. Remember to remove the batteries from the battery compartment.

    For best results and minimal maintenance, we recommend installing rain heads such as our Leaf Eater rain heads on all your downpipes to limit the volume and number of leaves and debris that reach your wet system and Advanced Release Valve.

The Rain Harvesting steps addressed:


 

First Flush diverters help you plan for volume by allowing you to choose your catchment volume with custom catchment size and/ or an advanced release valve.

First Flush Diverters help divert the first flush, through their design. They are installed using a T junction or high flow inlet to which the diversion chamber is fitted. As the chamber fills with the initial dirty water from your roof, a ball rises until it seals the inlet, allowing the rest of your rainwater, which is much cleaner, to flow directly to your tank.

Learn more about the 4 pillars of designing a Rain Harvesting system. 

Limit sources of contamination     Plan for volume

Filter leaves and debris                    Divert the first flush

Secure the system                             Manage standing water

Consider a safety net                        Monitor and maintain

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