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San Marco Boise Tap Valve



San Marco Boise Tap Valve   for the Cold Water side or Hot Water side of your Kitchen Tap. There is no brass bush with this Valve.

Earlier Valve was 1212R and later Valve is 3547R.  To avoid ordering the wrong part please read below before ordering.

If your Tap is dripping from the Spout then you might need to change your Valves.  Here is our Guide 7 Easy Steps to replace Kitchen Tap Valve.
If your Tap is dripping where the Spout meets the Base you might need to replace your  O Ring Kit.





San Marco Boise Tap Valve.

The valves have been changed in this Tap so we strongly recommend that you remove your own handle and check which valve is in your own tap.  Here is our Guide How to remove the handle on your Kitchen Tap.

Earlier Version = 1212R is a 20 Spline Valve, two threads, c.50mm tall.

If you order the 1212R, you will receive the original version with the white seal.

1212R Valve (Cold Valve shown here) - 20 Splines

1212R Valve (Cold Valve shown here) – 20 Splines

Example of 1212R in a Tap

Example of 1212R in a Tap


Later Version = 3547R, 28 Splines, one thread, c. 53mm tall.

SMR 3547R H

SMR 3547R Valve , Hot shown here.

Example of 3547R Valve in Tap, no Bush

Example of 3547R Valve in Tap, no Bush


Please note that whether you have the earlier two threaded 1427r (AKA 2307R, 2552R or 4276R) valve or the later one threaded 3547r, the manufacturer of your Tap has recommended that the 1427R two threaded valve be used as a replacement valve [this is due to a modification of the 3547R current valve]. The 1427R valve comes with a white seal underneath . This picture here shows you the difference between the 3547r and the 1427r(4276r). They may look different, but they are the same in the measurements that matter, and this is the valve recommended anyhow by the manufacturer of your Tap

SMR 3547R 4276R

SMR 3547R 4276R

San Marco Boise Tap Valve

San Marco Boise Tap Valve


This is a Genuine Spare Part.

Parts might be modified by the manufacturers as part of their continual improvements. We cannot always guarantee that a part will fit an older version of a product. All spare parts that do not fit can be returned for a refund excluding shipping costs.

Shipping Information : Please allow for Delays outside our control due to Covid-19 - (in Brief - see links below for more detailed information is our Normal Shipping Times if not delays).

Spares Parts: For Mainland UK / N.I and ROI, Minimum of £4.50 to maximum of £6.00 with DPD 2-3 working days. For UK Offshore Islands, please email us sales@tapsandsinksonline.co.uk, as there is an additional surcharge. Click here for more information about all Shipping here.

Please also note that these shipping times apply to Mainland UK, NI and ROI Only. Please refer to our Shipping / Returns section for other destinations.


Troubleshooting Guide

Troubleshooting Guide


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