Belimo ZONE220N-50 Valve 318518-761 The 1100 RPM operation is

The 1100 RPM operation is supported by self-aligning sleeve bearings for quiet

The auxiliary end switch provides a dry contact closure when the valve reaches the fully open position

direct replacement for the original 124361 board and is designed to work with compatible AERCO boiler and water heater configurations

Common Questions Is the HK42FZ011 compatible with variable speed motors

Corrosion Resistance: Utilizes rust-resistant nickel-chromium heating coils for extended operational life in high-airflow environments

Belimo ZONE220N-50 Valve 318518-761 The 1100 RPM operation isThe Belimo ZONE220N 50 is a high performance 2 way zone valve designed for precise flow control in closed loop hydronic systems. Featuring a 3 4" NPT female pipe thread connection and a 3. 6 Cv rating, this valve is engineered for efficiency in baseboard, convector, and fan coil applications. The forged brass body ensures long term durability under standard operating pressures, while the chrome plated brass ball and EPDM O rings provide a reliable