Siemens Industrial Controls 3TX7114-5DF13C Relay 326058-755 The system includes a rheostat

The system includes a rheostat manual speed control and a thermostat sensor (thermistor) that automatically activates the motor when the combustion chamber reaches 110°F and deactivates it once the unit cools below 90°F

What causes these modules to burn out

Lead-Free Compliance: Features a lead free copper alloy construction that meets all current potable water regulations

Reliable Combustion: High-speed 3450 RPM motor ensures consistent static pressure to keep the furnace pressure switch closed during the heating cycle

Built to withstand the thermal cycling typical of high-efficiency gas furnaces

Siemens Industrial Controls 3TX7114-5DF13C Relay 326058-755 The system includes a rheostatFor veteran technicians managing demanding HVACR environments, the Siemens 3TX7114 5DF13C Relay serves as a high reliability industrial control solution. This 120VAC plug in relay features a Double Pole Double Throw (DPDT) contact configuration, providing the essential logic for independent circuit isolation or standby switching. Engineered with a standard 8 pin square base, this 15 Amp power relay allows for rapid installation and hot swappable