EPH Controls CP4i OpenTherm® Smart Thermostat SPECIFICATION:Thermostat - RFRP-OTReceiver - RF1A-OTGateway - GW03 x 1 EPH Controls CP4i OpenTherm® Smart ThermostatSKU: CP4i £131.20PriceVAT IncludedQuantityAdd to CartBuy NowPrice excluding VAT£109.33 RFRP-OT DatasheetClick here GW03 DatasheetClick here