ESI

A quick to install, reliable and simple to use twin channel programmer which offers the user full control over their heating & hot water to regulate energy use & help...

Direct replacement for the market leader Spring return action Manual lever for filling/draining the system Quiet operation and minimum power usage 3-year warranty

A quick to install, reliable and simple to use 3 channel programmer which offers the user full flexibility to control two heating zones & a hot water time programme to hel...

ESI Programmable Room Thermostat

ESI Wireless Programmable Room Thermostat

?TPI Technology to stop unnecessary use of gas saving money for homeowners ?Electronic internals to increase accuracy and maximising energy efficiency ? Easy fit back plate al...

? Large, clear adjustable dial with familiar feel for older users ? Electronic internals to increase accuracy and energy efficiency saving money for homeowners ? Easy fit back...

Available in white or gunmetal grey our 6 series smart room thermostat is perfect for use with combi boilers, as well as system & heat only boilers and can control both he...