In this section you can find responses to a number of frequently asked questions regarding the products we supply and the service we provide.
For orders over £100 delivery is FREE. For orders under £100 the delivery cost is £6.50.
Please fax or email the details through to our sales office to organise collection. Please note that customer errors may be subject to a re-stocking charge.
We endeavour to offer a next day delivery service. On occasions due to stock availability or other unforeseen circumstances, this may be delayed. All next day delivery requests must be endorsed ‘next day’ and communicated to our sales office before 12.00pm. Please note, we cannot guarantee fulfilment of any requests for next day delivery received after 12.00pm.
Dispatch email alerts are created and sent to customers as soon as their consignment leaves STH WESTCO. We aim to provide an accurate one-hour delivery window following dispatch.
WRAS is an acronym for Water Regulations Advisory Scheme. Many of the products have been approved by WRAS.
You can contact us by calling 01942 603 351. For further contact details, please see the ‘Contact Us’ section of this website.
Yes, both ranges are made in accordance with EN 1254-2 / 1998.
All STH WESTCO TRVs are reversible and can be fitted horizontally or vertically in the flow or return position. A flow differential of 0.6 Bar must be considered.
No, a Pressure Reducing Valve should be used to reduce pressure effectively.
TRVs have a wax or liquid sensor that expands or contracts depending on the temperature around the vents of the thermostatic head. TRVs can be affected by direct sunlight, draughts or by being enclosed by household furnishings.
We recommend 0.3 bar static pressure for sink and basin taps, and 0.5 bar static pressure for bath taps.