Siemens Building Technology 274-03080 Control Valve Assembly 321894-709 You can initially configure it

You can initially configure it for 2 zones and simply wire the third zone motor and thermostat when the system expansion is required

Using anything other than the genuine Lochinvar 100208625 can lead to improper resistance readings and potential damage to the main control board

As an OEM Lennox 80K5201 replacement

this direct replacement motor is the industry standard for restoring airflow in light-duty ventilation systems

Delivers precise flame rectification feedback to prevent unsafe fuel flow conditions

Siemens Building Technology 274-03080 Control Valve Assembly 321894-709 You can initially configure itThe Siemens 274 03080 Control Valve Assembly is a heavy duty solution for precise hydronic flow control in commercial HVAC systems. This 2 way normally closed modulating valve features a 2 inch NPT connection and is engineered with a 40 Cv linear flow characteristic to ensure stable regulation in air handling units and heat exchangers. Designed for seamless integration, the Siemens actuator accepts both 0 10 VDC and 4 20 mA control signals, operating