350mm Commercial Sink Plug Strainer Kit with Backnut

Quick answer: This 350mm commercial sink plug strainer kit is a removable stainless-steel standpipe designed to retain water while helping trap food debris in compatible catering sinks. It has a 42mm body and is supplied with a backnut.

The perforated upright strainer helps stop larger food particles from entering the drainage system, supporting cleaner commercial sinks and reducing avoidable blockages. Its removable design makes routine emptying and cleaning straightforward during busy kitchen service.

Who is this 350mm sink strainer for?

• Restaurants, cafés, pubs and takeaways
• Hotels, schools, care homes and canteens
• Commercial kitchens using a compatible stainless-steel sink
• Replacement or new catering sink waste installations

Key product facts

• 350mm overall standpipe height
• 42mm stainless-steel perforated body
• Backnut included
• Removable upright design for easier cleaning
• Helps catch food debris before it reaches the waste pipe

Specifications

Compatibility: measure before ordering

Confirm the required standpipe height, sink outlet dimensions and available clearance before purchasing. The stated 42mm measurement is the strainer body diameter; it should not be assumed to be the sink cut-out size. Professional fitting is recommended where required.

Frequently asked questions

What does a commercial sink standpipe strainer do?

It plugs the sink so it can retain water while its perforated body helps filter larger food debris from wastewater.

Is the strainer removable?

Yes. The upright component can be removed for draining and routine cleaning.

How do I choose between 250mm, 300mm and 350mm?

Select the height that matches your sink bowl and required water level. Measure the existing standpipe or sink carefully rather than choosing by appearance.

Is it suitable for every commercial sink?

No universal fit can be guaranteed. Check the height, body diameter, waste fitting and installation clearance against your sink before ordering.

Cateringbase Ltd – 30-Day Returns Policy

At Cateringbase Ltd, we want you to be happy with your purchase. If you need to return an item, please review the policy below.

1) Returns Window

You may return most items within 30 days of the delivery date.

2) Return Eligibility

To qualify for a return, the item must be:

• Unused and in resaleable condition
• In the original packaging, including all protective inserts, labels, manuals, and accessories
• Free from damage, markings, scratches, stains, or signs of use

We may refuse returns that do not meet these requirements.

3) Non-Returnable Items

For hygiene and safety reasons, the following items may not be returned unless faulty:

• Items that have been installed, used, or modified
• Customised or made-to-order products
• Clearance or final-sale items (where clearly marked)
• Items that cannot be resold due to hygiene or food-contact handling once opened (where applicable)

4) How to Request a Return

To start a return, please contact us within 30 days and provide:

• Your order number
• The item(s) you want to return
• The reason for return (optional but helpful)
• Photos (required if the item is faulty or damaged)

We will confirm your return approval and provide instructions for returning the item.

5) Return Shipping Costs

• If you are returning an item because you changed your mind, you are responsible for the return shipping cost.
• If the item is faulty, damaged in transit, or incorrect, Cateringbase Ltd will cover return shipping (or offer a suitable alternative solution).

We recommend using a tracked delivery service, as we cannot be responsible for returns lost in transit.

6) Refunds

Once the returned item is received and inspected, we will process your refund to the original payment method.

Refunds are typically issued within 5–10 business days after inspection, depending on your bank or payment provider.

Please note:
Original delivery charges are non-refundable unless the item is faulty or incorrect.

7) Exchanges

If you would like an exchange, we can arrange this subject to stock availability. If the replacement item has a different price, we will confirm any balance due or refund owed.

8) Damaged or Incorrect Items

If your item arrives damaged or you receive the wrong item, please contact us within 48 hours of delivery and include clear photos of:

• The item
• The packaging
• Any visible damage

We will resolve the issue as quickly as possible.

9) Return Address

Return details will be provided once your return is approved.
Please do not send items back without contacting us first.