Technicians should verify that the OEM control signal—typically a 2-10VDC or 4-20mA input—matches the logic of the integrated controller to maintain precise positioning

this 120V coil contactor utilizes an electromagnetic field to actuate main power contacts

reducing the inventory needed for service calls

such as bulging or discoloration

Belimo ZONE220N-35 Actuator 320074-702 Technicians should verify that theThe Belimo ZONE220N 35 is a high performance 2 way zone valve actuator engineered for precise hydronic control in commercial and residential HVAC systems. Featuring a 3 4 inch NPT female connection and a 3. 5 Cv flow coefficient, this motorized valve assembly is optimized for high pressure close off applications. The spring return zone valve mechanism ensures failsafe operation, providing a reliable normally closed position during power interruptions.