• Tee type isolation valve
  • 15mm compression connections
  • Suitable for use with hot and cold water
  • Easy to use
  • Use for isolating or restricting water supply with a simple to use quarter turn lever
  • Chrome finish
15mm full bore isolating tee in a chrome finish. Used for isolating or restricting a hot or cold-water supply. This tee piece allows you to take an additional supply off a 15mm water pipe with the ability to isolate that supply with a simple to use quarter turn lever. It's easy to use and is suitable for use with hot and cold water.

£4.99 Standard Delivery, or FREE on most orders over £99* (some exclusions apply)

£9.99 Next day delivery is available for orders places before 12 noon. Any orders placed for next day delivery after this time, will take 2 working days to be delivered.

Working/delivery days are Monday to Friday, deliveries will not normally be made Saturday or Sunday.

We offer a 30-day returns policy on on the majority of our items*, as long as the item is unused, undamaged and unopened**. We only ask that the postage is covered by yourself. 


* Please see our delivery page for further details on specific exceptions.

** Some products that are made to order or personalised cannot be returned.

***Exclusions apply for items shipped directly from our suppliers, and some big & bulky items may incur an additional charge. Please see our delivery page for full details. 

Showing 3 of our total 5 reviews, with an average rating of 3 stars. Read all 5 reviews for 15mm Full Bore Isolating Tee with Black Lever Handle.
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Review Summary - 3 out of 5 based on 5 ratings.
March 7, 2025 | Tony
15mm Full Bore Isolating Tee with Black Lever Handle

A full bore 15mm tee. Does the job. Fast delivery. Would certainly buy from build and plumb again.

October 15, 2022 | Ron
15mm Full Bore Isolating Tee with Black Lever Handle - 10030417

Just what i needed to complete the job and good quality. Not a lot more you can say

April 10, 2022 | RICHARD
15mm Full Bore Isolating Tee with Black Lever Handle - 10030417

Fitted inside my kitchen to isolate the outside tap (In freezing winter conditions) allowing the cold water to still flow to my sink. Although local merchants had similar (Washing machine taps) they were not 'Full Flow' and therefore no use for e.g. connecting a jet wash to the outside tap.

15mm Full Bore Isolating Tee with Black Lever Handle

  • 4,70 â‚¬ inc. VAT
  • (Delivery from 5,57 â‚¬ inc. VAT )
1+ 10+
4,70 â‚¬ inc. VAT 4,51 â‚¬ inc. VAT
Item in Stock   |   Usually dispatched within 24 hours
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Free UK Delivery on most orders over £99
Delivery Rates & Information

Delivery Options

Standard Delivery: £4.99 - Free for all orders over £99.*
Next Day Delivery: £9.99 - Available for orders placed before 12:00 PM (Noon).

Important Delivery Notes

Next Day Delivery Cut-off: Orders placed after 12:00 PM (Noon) using Next Day Delivery will be delivered within two working days.
Working Days: Our standard delivery and shipping days are Monday through Friday. We do not normally deliver on Saturdays or Sundays.

Easy 30-Day Returns

We want you to be happy with your purchase! We offer a 30-day returns policy on all items, provided the following conditions are met:
  • The item is unused and undamaged.
  • The item is returned in its original packaging.
  • The customer is responsible for the return postage costs.

Combining Your Order

We always strive to combine your order into a single delivery. However, your order may arrive in multiple shipments if it contains:
  • Items from different warehouses (Standard items).
  • 'Direct' items (These are shipped separately and directly from the supplier) and will arrive separately from other items in your order.

*Exclusions & Additional Charges

The following items may be excluded from standard shipping rates or may incur extra delivery charges:
  • Items Shipped Directly from Suppliers ('Direct' items).
  • Certain Large or Bulky Items.
Want it by Monday 12th October? Order within 10 hours, 57 minutes