Siemens Combustion RWF55.50A9 Controller 326058-758 This modulating temperature controller eliminates

This modulating temperature controller eliminates the offset common in proportional-only systems

many technicians surface-mount the frame around existing controls

making it ideal for HVAC control board integration or combustion air relay functions

Precise Comfort: Temperature accuracy of +/- 1°F prevents short-cycling and maintains consistent load profiles

Siemens Combustion RWF55.50A9 Controller 326058-758 This modulating temperature controller eliminatesThe Siemens Combustion RWF55. 50A9 Controller is a high performance, 3 position analog controller engineered for precise temperature and pressure regulation in multi stage or modulating burners. This compact universal controller features a built in RS 485 Modbus interface, allowing for seamless integration into complex combustion management systems or master lead lag panels. Designed with a 96x48mm standard DIN profile, it provides a dual 4 digit LCD