Siemens Building Technology VVP45.15-2.5 Valve 322057-301 monitoring the internal temperature of

monitoring the internal temperature of the heat exchanger or burner assembly

this normally open switch ensures the induction fan is generating sufficient static pressure to safely vent combustion gases before allowing the ignition sequence to proceed

While sized for standard 1/2" NPT ports

It serves as an overcurrent relay

If voltages are present and the blower wheel spins freely without restricted airflow

Siemens Building Technology VVP45.15-2.5 Valve 322057-301 monitoring the internal temperature ofThe Siemens Building Technology VVP45. 15 2. 5 Valve is a 3 4" 2W 2. 9cv zone valve engineered for precision water side control in closed circuit HVAC systems. As a veteran technician, you know that Siemens Acvatix series valves are the standard for terminal unit control in fan coils, induction units, and zone heating applications. This 2 port seat valve features a robust bronze body (CC499K) designed for a nominal pressure of PN 16, ensuring reliable