Salus RT520RF Wireless White Digital Programmable Boiler Thermostat & Receiver, Boiler Plus Compliant (5 Year Warranty) - Hanicks

Load Compensation - Load Compensation is one of the 4 energy saving features that makes a system Boiler Plus compliant. Therefore the RT520RF will be the most cost effective fully compliant thermostat option on the market. OpenTherm - OpenTherm provides more precise control on the boiler through the control of the gas valve. Optimisation Functions - Optimum Start and Optimum Stop. New Larger Clear easy to read LCD - Simple, quick and straightforward operation and setup for all users. Service Mode - Thermostat can be programmed to ensure home occupier is aware a boiler service is required and landlord can access to action. Landlord PIN - PIN entry option for landlord/building owner only access to certain settings and menus. Battery operated - Simple and quick to install with no 230v wires.