Robertshaw 5435-281 Hot Surface Ignition Control Board

Product Description

The Robertshaw 5435-281 is a hot surface ignition control board for gas-fired heating systems. This control module manages the ignition sequence and performs flame sensing. It also controls the gas valve for safe and efficient operation. It is suitable for both residential and commercial heating applications.

• Integrates ignition management, flame sensing, and gas valve control.
• Includes a diagnostic LED for easy troubleshooting.
• Features a 30-second pre-purge, a 5-second ignition trial, and a 60-second inter-purge.

Product Highlights

This control board is a direct replacement for various older Robertshaw part numbers, ensuring broad compatibility with HVAC systems.

Product Information

Standard Information

• Brand: Robertshaw
• MPN: 5435-281

Technical Specifications

• Voltage: 24 VAC
• Frequency: 60 Hz
• Pre-Purge: 30 Seconds
• Trial for Ignition: 5 Seconds
• Inter-Purge: 60 Seconds
• Ignitor Warm-up: 17 Seconds