Description
San Marco Boston Tap O Ring Kit 1239R
This is the genuine replacement part supplied by the original manufacturer of the San Marco Boston kitchen tap. It is the correct part for stopping leaks at the base of the tap spout.
The kit includes:
- 2 rubber O-rings
- 1 white plastic ring (PTFE/PTF)
If your tap is leaking where the spout meets the body, the O-rings need replacing. However, if you notice pinholes or deep scoring, the spout itself may be worn. In that case, simply replacing the O-rings won’t stop the leak—you’ll need to replace the spout.
Click here for the full installation guide and product details on:
- How to install the kit correctly
- How to check for spout wear
- List of other taps that require this kit
If your Kitchen Tap is dripping from the Spout then you might need to replace your Valve
Here is the link to all our San Marco Boston Kitchen Tap Parts.
Need help? Click the Contact button on the bottom right of your screen or email us here.

- Genuine = Proper fit, tested by the Manufacturer
- Compatible = Not made by your Tap’s brand. May not fit or last.
We’ve seen compatible parts cause leaks or damage. Choosing genuine parts protects your tap and warranty.
Detailed Shipping / Returns information can be found here.
In Brief:
- Small items only by Post: £3.50. Can take currently up to 7-10 working days.
- Courier Delivery DPD Track & Trace: £5.50. Usually takes c. 2-3 working days. Please make sure to provide mobile number for DPD to text you regarding your delivery.
- BREXIT: No additional charges on delivery once your Order before shipping charges is less than £135.
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