431-516 Generic Straight Tube Reducer 3/8 inch to 5/16 inch Universal Water Filter and Drinking Water Line Fitting

GenericGeneric compatible replacement, a lower cost alternative to the original part. SKU 431-516_G
Original part no.
431-516
Part grade
Generic
Appliance
Water Filter Parts
$10.20 inc GST$9.27 ex GST
Order inApprox. 5 to 15 days to arrive in store

This part is an order in item. We order it from our supplier once you place your order. It usually takes approximately 5 to 15 days to arrive in store, then we ship it to you or hold it for collection.

Tracked delivery Australia-wide Dispatched as soon as it reaches us. Approx. 5 to 15 days to arrive in store.
Delivery times by state
WA metro1 to 2 business days
WA regional2 to 5 business days
SA and NT3 to 6 business days
VIC, NSW and ACT3 to 6 business days
QLD4 to 7 business days
TAS4 to 7 business days
Remote areas5 to 10 business days

Estimated times after dispatch. Tracking details are emailed when your order ships.

Local pickup in WAMorley, Myaree or Joondalup
  • MorleyOrder in, approx. 5 to 15 days to arrive in store
  • MyareeOrder in, approx. 5 to 15 days to arrive in store
  • JoondalupOrder in, approx. 5 to 15 days to arrive in store

Choose Pickup at checkout to collect from our Morley, Myaree or Joondalup store in Western Australia. Please wait for your ready for collection notification before coming in.

Check your model number before ordering. Not sure this part suits your appliance? Send us your model number and we will confirm it for you.

  • Quality checked generic part
  • Tracked delivery Australia-wide
  • Parts experts on call
  • Secure checkout

Product details

Part 431-516 is a generic straight reducer that connects a 3/8 inch tube to a 5/16 inch tube. It suits water filter installs, under-sink drinking water setups and other water lines where two different tube sizes need to meet in a straight run. As a universal fitting rather than a brand-specific spare, it is not tied to any particular appliance model, so match it by tube size instead of by brand.

Joining 3/8 and 5/16 inch water tube with a straight reducer

Water filter kits and fridge water lines are not always plumbed with one tube size from end to end. A filter housing might take 3/8 inch tube while the line running on to a tap or appliance is 5/16 inch, or the other way round. A straight reducer bridges that change in size without adding a bend. Replace an old connector if it weeps at either end, if the tube keeps pulling free, or if the body is cracked or discoloured. A slow drip at a fitting can ruin cabinets and flooring long before anyone spots it.

Part details

  • Generic part number 431-516
  • Straight reducer between 3/8 inch and 5/16 inch tube
  • Suits water filter and drinking water tube runs
  • Universal fitting, not specific to one appliance brand
Tube size, one end 3/8 inch
Tube size, other end 5/16 inch
Shape Straight

Fitting the reducer

Turn off the water supply and open a tap further down the line to release the pressure before you cut or remove any tube. Measure the outside diameter of both tubes so you know which end takes which size. Cut each tube end square and clean with a proper tube cutter, make sure each one is fully seated in the fitting, then restore the water and watch the joint for a few minutes.

Questions about this part

How do I know if my tube is 3/8 or 5/16 inch?

Measure the outside diameter of the tube with a vernier or a fine ruler. 3/8 inch tube is about 9.5mm across and 5/16 inch tube is about 7.9mm. If your tube measures close to 6.35mm it is 1/4 inch, and this reducer is not the right one.

Specifications

BrandCrystal Clear
Original part number431-516
Part gradeGeneric : Generic compatible replacement, a lower cost alternative to the original part.
SKU431-516_G
ApplianceWater Filter Parts
Shipping weight1.5 kg

Shipping and returns

Shipping

In-stock parts ordered before 2pm AWST on business days are dispatched the same day. We deliver Australia-wide with Australia Post and couriers, with tracking on every order.

Order in parts usually reach us within 5 to 15 days and are then dispatched to you straight away.

Local pickup is also available from our stores in Morley, Myaree and Joondalup, Western Australia. Choose Pickup at checkout and wait for your ready for collection notification before coming in.

Returns

Unused parts in original packaging can be returned within 30 days. Electrical parts that have been fitted cannot be returned unless faulty. Please check your model number before ordering.

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