The ESRTERFW is a wireless battery powered electronic room thermostat and receiver which requires no hard wiring needed between the thermostat and receiver. Manufacturer specifications can alter at any time and we to note these changes but cannot be hold responsible for alterations beyond our control. Although this action will not be necessary in most instances, it is an easy fix that needs better explanation. We will make every effort to deliver goods on the date or within the dates quoted, however, such dates are a guideline only and Thomas Electrical Distributors shall not be held liable in any way due to delayed deliveries that are out of our control.

We use this information to tailor the marketing you receive from us so it is as relevant as possible. Our company registration number is 179511 and our VAT registration number is 113769075 PlumbinBits Ltd 2 Murrayfield Road, Braunstone, Leicester. The unit has a chrono-proportional thermostat option that incorporates technology which improves boiler efficiency. It is your responsibility to keep your password confidential and to sign out once you have finished browsing. In addition to the cookies managed by us and our service providers, some cookies are set by other companies which are part of wider advertising networks.To conserve power this will run for eight hours and if the heating intervals are more than eight hours apart, the display will “go to sleep” – although the thermostat is still active. We may disclose and/or transfer your personal information in connection with a reorganisation of all or part of our business, if the majority of our shares are bought by another company or if we transfer all or some of our assets to another company. Separate terms and conditions may apply when you open an account or if you decide to participate in a competition so please make sure that you read them at the relevant time. The ESRTERFW is a two-wire installation with Volt Free contacts and a wireless thermostat (transmitter) with an easy fit backplate for quick and easy installation.

Certain content, products and services available via our Service may include materials from third-parties.Persistent cookies: these are saved on your computer so they don't get deleted when you close your browser. We use cookies to analyse how our site is used by visitors and to provide some of the functionality - see our cookie policy for more information. The ESRTD3 has a built in auto-rechargeable battery to power the display when the system is between heating cycles.