Experience the reliability and efficiency of the Drayton 22mm 2 Port Motorised Valve ZA5/679-2, a crucial component for your storage tank water heater. With its robust build and precise engineering, this valve is designed to provide seamless performance, ensuring your hot water needs are met with minimal energy waste. The model 227100 is equipped with a 5-wire system, allowing for easy integration into your existing heating setup. Whether you're looking to replace an old valve or install a new system, the Drayton brand is synonymous with quality, offering you peace of mind and long-lasting service.