Experience a fully personalised home heating experience with ambiSENSE VR 52 Extender. This system control works in conjunction with VRC 700 to control up to 20 valves, each with its very own signal booster, so distance won’t be an issue. Easily control the temperature from your phone with the VRC 700 app and effortlessly sync up to six valve heads to one thermostat. Automatic weather compensation and simple TRV replacement with instructions make ambiSENSE the ideal choice for your home.