Flow Restrictor: 420 cc/min 1/4" Push-fit for Reverse Osmosis System (75GPD)

MPN

£3.99 inc. VAT

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  • Push-fit
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FREE Express Delivery UK orders over £60
Next Day Delivery £6.99
Standard Delivery £3.99 for 2-3 days

*Applies when Next Day Delivery is selected at checkout.

Delivery information

Order before the delivery cut-off for the fastest available dispatch. Delivery options and final prices are confirmed at checkout.

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5.0 out of 5 (1 review)

This was a replacement for my original , turned out to be an improvement . Quick connector , smaller in size , fit and forget . Well worth the money .
— Mr andrew harrison?

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This Flow Restrictor: 420 cc/min is designed to maintain optimum pressure for reverse osmosis membranes along with the correct ratio of wastewater for RO systems.

Restricting water flow to 420 cc/min it is suitable for use with RO systems using 75 - 100 GPD RO membranes.

    Product Details

    This Flow Restrictor: 420 cc/min is designed to maintain optimum pressure for reverse osmosis membranes along with the correct ratio of wastewater for RO systems.

    Restricting water flow to 420 cc/min it is suitable for use with RO systems using 75 - 100 GPD RO membranes.

      Specifications
      MPN
      FR-420
      Brand
      Aqua Prime
      Product type
      RO Systems & Components
      Configuration
      Flow restrictor
      Connection size
      1/4"
      Material
      Acetal
      Installation

      Follow the manufacturer’s installation guidance, confirm all connections are secure and flush the product as instructed before regular use.

      Delivery & Returns

      Order before our dispatch cut-off — 3pm Monday to Friday, or 12pm on Saturday — and your order is sent the same day; anything after that follows the next working day. We don’t dispatch on Sundays, and you’ll get a tracking link by email as soon as your order is on its way.

      Choose your UK delivery option at checkout:

      • Free Express Delivery — free on orders over £60 (2–3 working days).
      • Standard Delivery — £3.99 (2–3 working days).
      • Next Day Delivery — £6.99, arriving the next working day when you order before the cut-off.

      We also ship internationally, with rates calculated at checkout.

      Returns & refunds

      Changed your mind? You have 30 days to return any unused filter in its original sealed packaging for a refund, or 90 days for exchanges. Start at our returns portal and either generate a prepaid Royal Mail label (£3.49, deducted from your refund) or use your own courier — exchanges are always free to return. We approve refunds within 24 hours of your return reaching us; your bank may then take 3–5 working days to show the funds.