White-Rodgers 50T35-743 Integrated Hot Surface Furnace Control

The White-Rodgers 50T35-743 Integrated Hot Surface Furnace Control is a reliable ignition solution for gas furnaces, featuring an integrated hot surface control and a silicon carbide igniter. Its compact design supports gas valve, igniter, blower motor, inducer, humidifier, and air cleaner applications, with built-in diagnostic capabilities for fast troubleshooting.

Designed for safe, efficient operation, this control delivers precise ignition timing, rapid flame detection, and dependable performance across residential and light commercial systems—with clear Flash Code diagnostics and an included mounting hole template for easy installation.

• Prepurge Time: 15 seconds
• Flame Failure Response Time: 2 seconds
• Valve Rating: 0.6 PF, 1.5 A at 30 V AC (50/60 Hz)
• Power Rating: 20–30 V AC at 50/60 Hz (RMS)
• Temperature Rating: -40 to 176°F
• Application: Gas valve, igniter, blower motor, inducer, humidifier, air cleaner
• Input Current Rating: 0.35 A at 30 V AC
• Igniter Relay: 5 A at 120 V AC (50/60 Hz)
• Inducer Relay: 4–8 A (FLA to LRA) at 120 V AC
• Circulator Relay: 14.5–25 A (FLA to LRA) at 120 V AC
• Includes Flash Code Diagnostic and Mounting Hole Template