Belimo ZONE315N-10 Actuator 318172-701 it represents the industry standard

it represents the industry standard for refrigerant flow control and durability

As a veteran-grade replacement part

Durable Brass Build: Resists corrosion and high-temperature fatigue within the burner box

This volume ensures the system can safely hold excess liquid during winter heating cycles or sudden load drops

Both share the same bronze body and automatic ball check safety features

Belimo ZONE315N-10 Actuator 318172-701 it represents the industry standardThe Belimo ZONE315N 10 is a high performance 1 2 inch 3 way zone valve actuator designed for precise flow control in hydronic systems. Engineered for reliability, this motor actuator assembly features NPT female connections and a 1. 0 Cv rating, making it ideal for low to medium flow heating and cooling applications. The ZONE315N 10 operates with a synchronous motor, providing consistent closing force and quiet operation in demanding commercial or