The Geminox ZEM Merite range is designed specifically for the domestic heating market, comprising of 4 models, the 5-25 SEP the 2-17C / 5-25 C system boilers, the 5-25C B120 combined appliance (see system boilers).There is a choice to suit applications from a studio flat to a large modern home. As standard all models come complete with in-built weather compensation and each model is supplied with an outside sensor to encourage use of the technology.

The ZEM SEP is our instantaneous plate heat exchanger condensing combination boiler. Like all our hot water solutions, it use full bore , three port valve to divert full boiler power to the plate when there is a demand for hot water. The diverter valve ensures fast response and reliability, with a flow rate of 13.1 l/min. In 10 minutes of draw off , with a cold water inlet of 10°C , it will provide an impressive 131 litres of hot water at 40°C.

Our simple control kit wires back to the boiler microprocessor making installation and use easy. All boilers can be connected to our unique cascade flue systems.