vaillant vrc 700 f4 Bought for boiler which is to old for this to work on. So not required
Vaillant VRC 700/6 Thermostat / Weather Compensation 0020184838
Vaillant VRC 700 2 Zone Hot Water Radiator System Control 0020236293
Vaillant VRC 700 2 Zone Domestic Hot Water Radiator System Control 0020236293
New Vaillant wired VRC 700 Programmable Room Thermostat Weather Compens. Control
Vaillant VRC 470F Programmable Room Thermostat 002018137
