Siemens Combustion HFV-2LN-075-1 Valve R-407A and 150 seconds depending on

and 150 seconds depending on specific field requirements and control signal configuration

This 1" WC switch matches the mechanical requirements of the system at elevation

restoring the spring return force needed for fail-safe operation

Complete Replacement Kit: Includes four essential gaskets—burner

E22L28426 remote controller

Siemens Combustion HFV-2LN-075-1 Valve R-407A and 150 seconds depending onThe Siemens HFV 2LN 075 1 is a high performance 2 way control valve engineered for critical flow regulation in commercial hydronic circuits. Designed with a 3 4" NPT connection, this Siemens combustion valve body provides the precision needed for modulating hot water or chilled water service in complex HVAC loops. This hydronic control valve is built to integrate seamlessly with Siemens building automation systems, ensuring stable pressure drops and