This Mysson Power Extra MPE222 Actuator Head is designed for use with a 2 port motorised valve, making it an essential component for any storage tank water heater. With its high-quality construction and reliable performance, this actuator head is sure to provide long-lasting and efficient service. Ideal for use in standard water heaters, this actuator head is a reliable and durable choice for any home or commercial heating system. Whether you're looking to upgrade your current system or simply need a replacement part, this Mysson Power Extra MPE222 Actuator Head is the perfect solution.