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Surestop operates by a pressure differential either side of a diaphragm located within the valve. When the water supply is switched back on after installation, the flexible twin-bore tubing between the switch and valve fills up with pressurised cold mains water. Operating the remote switch or the switch on the valve itself, increases/decreases the pressure on either side of the diaphragm to turn the water supply on or off. 

Surestop is a fully WRAS approved stop cock for use on above ground, mains fed cold water supplies up to 10 bar working pressure.  

Surestop is ideal for use as part of a new or retrofit installation but is best installed in addition to a traditional stopcock. This is because some local water undertakers/providers insist on the installation of a “screw down” type stop cock. When installed alongside a traditional stop cock, that means you still have the benefit of faster isolation of the water supply with Surestop but also remain compliant with the requirements of your water undertaker/supplier.  

Available in 15mm, 22mm, compression and push-fit connection types, as well as in a 25mm MDPE connection, Surestop is suitable for installations within all domestic and light commercial applications.  

Unlike traditional stopcocks Surestop can instantly isolate the supply of water with a flick of a switch, either on the stopcock itself or via the remote switch assembly. Being a fully plastic construction type, Surestop will also not seize like traditional stopcocks ensuring that the mains can always be isolated when you need to most. 

Surestop requires no electricity supply to operate meaning it can be easily installed by a plumbing professional or competent DIY’er. The stop cock valve installs using common plumbing techniques and connection types typical with most normal stop tap connections. 

Surestop is available in a number of combinations. The Surestop stop cock can be purchased as a stand-alone valve with the integrated switch being used to turn the mains cold water supply on or off.  

Alternatively, the Surestop stop cock can be purchased with a remote switch with a 2-metre connection kit. 

For Surestop’s purchased with the remote switch; This can then be extended up to 4 metres or 6 metres by adding a further 2 metres or 4 metres of twin-bore tubing with the purchase of Surestop twin-bore tubing accessory kits. 

Stand-alone Surestop valves can also be upgraded with either a 2 metre or 4 metre remote switch accessory kit. 

*The Surestop must not be installed with the twin-bore tubing any greater than 6 metres from the remote switch.* 

The Surestop can be easily installed by a plumbing professional or competent DIY’er. The stop cock valve installs using common plumbing techniques and connection types typical with most normal stop tap connections. 

Refer to our handy step by step guides and videos by scanning the QR code on the outside of the box or by visiting: https://qrcodes.surestop.co.uk/scan  

All Surestop products come with a 2 year manufacturer parts warranty. To register your warranty, scan the QR code on the outside of the box or head to: https://qrcodes.surestop.co.uk/scan  

Surestop is ideal for use as part of a new or retrofit installation but is best installed in addition to a traditional stopcock. This is because some local water undertakers/providers insist on the installation of a “screw down” type stop cock. When installed alongside a traditional stop cock, that means you still have the benefit of faster isolation of the water supply with Surestop but also remain compliant with the requirements of your water undertaker/supplier. Available in 15mm, 22mm, compression and push-fit connection types, as well as in a 25mm MDPE connection, Surestop is suitable for installations within all domestic and light commercial applications.  

Unlike traditional stopcocks Surestop can instantly isolate the supply of water with a flick of a switch, either on the stopcock itself or via the remote switch assembly. Being a fully plastic construction type, Surestop will also not seize like traditional stopcocks ensuring that the mains can always be isolated when you need to most. 

Please see below for a list of common installation or user enquiries relating to Surestop.  

If you are unable to resolve the issues you are experiencing, please get in touch at: 

Surestop c/o 
ADEY Innovation Ltd. 
Unit 2, Indurent Park, 
Stonehouse, 
GL10 3EZ, UK. 

Telephone: 
01242 546 700 

Opening Hours: 
Monday to Friday 08.00 to 17.00 

My Surestop is leaking from the stop cock valve or remote switch 

Surestop is a WRAS approved stop cock with a maximum operating pressure of 10bar. 

1. Check in the first instance that the flow orientation of the stopcock is in the same direction as the water supply. (The valve will need reinstalling if it is in the incorrect position.)  

2. Check that the static and maintained supply pressure of the mains cold water supply does not exceed 10bar. (Including pulse pressures.) 
3. Install a pressure reducing valve to reduce the pressure if required. The blue twin-bore pipe connecting the Surestop stop cock to the remote switch contains mains fed pressurised water. Check that the ends of the blue pipe have been cut at 90 degrees, with a clean cut (without burrs) and is fully inserted into the connections. 

My Surestop is leaking from the blue tubing 

Surestop is a WRAS approved stop cock with a maximum operating pressure of 10bar. 

1. Check in the first instance that the flow orientation of the stopcock is in the same direction as the water supply. (The valve will need reinstalling if it is in the incorrect position.)  

2. Check that the static and maintained supply pressure of the mains cold water supply does not exceed 10bar. (Including pulse pressures.) 
3. Install a pressure reducing valve to reduce this if required. The blue twin-bore pipe connecting the Surestop stop cock to the remote switch contains mains fed pressurised water. Check that the blue pipe has been cut at 90 degrees, with a clean cut (without burrs) and is fully inserted into the connections.

I am in the process of installing Surestop but I am now unable to turn the water supply on or off  

If installing Surestop for the first time, there a few simple things to check which will resolve this: 

1. Check in the first instance that the flow orientation of the stopcock is in the same direction as the water supply. (The valve will need reinstalling if it is in the incorrect position.) 

2. Ensure that the ON/OFF Switch on the stop cock valve is in the same position as the ON/OFF at the remote switch 

3. When installing Surestop, ensure that the Surestop stop cock is in the open position when the water supply is reinstated. The flow of water can then be stopped by operating the Surestop at the stop cock switch or the remote switch assembly. 

4. Ensure that the blue twin-bore tubing is routed with no kinks or obstructions and does not exceed the maximum distance limits: 

• Check along the entire length that there are no kinks in the blue twin-bore pipe. Including the entrance to the remote switch assembly 
• Check that the blue twin-bore pipe has not become pinched in between kitchen cupboard shelving or door openings 
• Check that the nail-on clips supplied haven’t pinched the blue twin-bore pipe to restrict the flow of water 
• Ensure that the length of the blue twin-bore pipe does not exceed 6 metres from the Surestop valve to the remote switch 

Surestop has been installed previously but I am now unable to turn my water supply on or off  

If Surestop has already been fitted and operated without issue but suddenly stops working, there a few simple things to check which will resolve this: 

1. Ensure that the blue twin-bore tubing is routed with no kinks or obstructions and meets the maximum distance limits: 

• Check along the entire length that there are no kinks in the blue twin-bore pipe. Including the entrance to the remote switch assembly 
• Check that the blue twin-bore pipe has not become pinched in between kitchen cupboard shelving or door openings 
• Ensure that the length of the blue twin-bore pipe does not exceed 6 metres from the Surestop valve to the remote switch 

The flow rate has reduced from my taps since installing Surestop 

Surestop is a WRAS approved stop cock with a maximum operating pressure of 10bar. 

The design of the internal bore within Surestop has been developed to optimise the diaphragm operation with the switching mechanism and is therefore smaller than some full-bore stop tap designs. For installations with mid to low mains cold operating, pressures some reduction in flow rate may be experienced.