and zoning applications where accurate airflow regulation is required

While the buttons have individual part numbers for color coding

Always verify the voltage of your ignitor element to prevent component failure

" This is a universal kit for natural gas applications

While some Robertshaw orifices are universal

Siemens Building Technology 274-03080 Control Valve Assembly 320788-703 and zoning applications where accurateThe 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