Laars Heating Systems RE2107300 Ignition Control Module 4-Second TFI

The Laars Heating Systems RE2107300 is an OEM ignition control module designed for gas-fired boilers and water heaters. This genuine Teledyne Laars replacement part features a 4-second trial for ignition (TFI) timing, which controls the ignition sequence and flame proving operation in compatible heating equipment.

Key Features:

• Genuine Laars OEM replacement ignition module
• 4-second trial for ignition timing for reliable burner startup
• Controls ignition sequence, flame detection, and safety lockout functions
• Direct replacement for failed or faulty ignition controls
• Designed for use with Laars gas-fired heating equipment
• Pre-purge and post-purge cycle management

This ignition module is an essential control component that manages the burner ignition cycle, monitors flame signal, and provides safety lockout protection in the event of ignition failure. The 4-second trial for ignition period allows adequate time for flame establishment while maintaining safe operation. Professional installation by a qualified HVAC technician is recommended to ensure proper wiring and system integration.