Laars Heating Systems E2305500 Ignition Module

The Laars Heating Systems E2305500 Ignition Module is a critical direct-replacement component for maintaining the trial-for-ignition sequence in specified commercial and residential heating units. This 24V continuous try ignition module is engineered to manage the pilot and main burner ignition cycles, ensuring the gas-fired equipment remains operational even after temporary flame signal loss. As a manufacturer-certified replacement for the legacy 625038 ignition control, this module maintains full compatibility with Laars Pennant, Mighty Therm (HH, PH, VW, PW, IW, AP), and Teledyne Laars boiler parts.

Designed for systems requiring a persistent ignition attempt, the E2305500 operates on a 24VAC circuit and is frequently utilized in direct spark ignition (DSI) or intermittent pilot ignition configurations depending on the boiler series. The module features integrated timing logic to coordinate pre-purge cycles and transformer-to-valve communication. For field technicians, the plug-in wiring terminal layout allows for a streamlined swap-out process, reducing downtime on-site while ensuring the specific HVAC ignition control parameters are met for safe combustion.

Key Benefits

• Direct 1:1 Replacement: Fully replaces the 625038 ignition control without the need for mounting modifications or harness rewiring.
• Enhanced System Resilience: The continuous try ignition logic ensures that the module attempts to re-establish flame signal immediately, preventing unnecessary lockouts during minor gas pressure fluctuations.
• Verified Compatibility: Broad application across Laars Heating Systems commercial models including the Pennant and Mighty Therm series (size 500-2000).
• Technical Durability: Solid-state construction designed to withstand the thermal stresses of high-capacity boiler environments.

Common Questions

Is this module a direct swap for the 625038?
Yes, the E2305500 is technically identical to the 625038 and serves as the current standard replacement part for that number.

What does 'Continuous Try' mean for my system?
Unlike lockout modules that require a manual reset after a failed attempt, this continuous retry module will keep attempting the ignition sequence to ensure the boiler returns to operation as soon as conditions are favorable.

Does this work with both Natural Gas and Propane units?
The Laars E2305500 is typically used in modules requiring 24V control; however, you should always verify the specific gas valve and burner requirements of your appliance against the manufacturer's wiring schematic.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.