Fenwal 35-630501-103 Module
The Fenwal 35-630501-103 is a 24VAC Intermittent Pilot (IP) ignition control module designed for precise gas valve control in commercial and residential heating systems. Engineering-grade microprocessor circuitry provides reliable sequence timing, featuring a 15-second pre-purge to clear the combustion chamber and a 30-second trial for ignition (TFI). This direct spark ignition component utilizes a single rod sensing (local sense) configuration to monitor flame rectification, ensuring the main burner remains energized only when a flame signal is detected. Designed as a rugged replacement for various HVAC furnace controls, it manages the gas pilot light cycle and operates within a standard -40°F to 175°F temperature range. The Fenwal 35-63 series is critical for technicians troubleshooting heating system lockout issues, providing diagnostic LED capabilities for rapid field service. Proper installation requires verifying wiring harness compatibility and ensuring a solid common ground to prevent nuisance flame failures.
Key Benefits for Technicians- Efficient Pre-Purge: The 15-second pre-purge cycle ensures safe combustion chamber evacuation before the spark ignition sequence begins.
- Intermittent Pilot Logic: Reduces fuel consumption by only energizing the pilot burner during the heat call, eliminating the need for a standing pilot.
- Diagnostic Reliability: Built-in microprocessor control provides consistent timing and flame sensing, reducing call-backs for ignition failure.
- Universal Compatibility: Serves as a direct replacement for many Fenwal ignition modules found in boilers, furnaces, and commercial water heaters.
What does a 30-second TFI mean for system setup?
The Trial for Ignition period is the window the module allows for the pilot flame to light and be sensed. If the flame sensor does not detect a signal within 30 seconds, the gas control shuts down the valve to prevent gas buildup.
Can this module replace a dual-rod ignition system?
The 35-630501-103 is configured for local flame sensing through the spark electrode. If your current HVAC system uses a separate flame ionisation rod, you must ensure the wiring is adapted for single-rod operation or select the corresponding remote-sense model.
How do I troubleshoot intermittent lockout on this Fenwal module?
Common causes for ignition lockout include restricted pilot orifices, improper electrode gapping, or a weak grounding circuit. Check for at least 1.0 microamp of flame current to ensure the ignition control stays energized.
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.
Original: $196.47
-65%$196.47
$68.76Fenwal 35-630501-103 Module
The Fenwal 35-630501-103 is a 24VAC Intermittent Pilot (IP) ignition control module designed for precise gas valve control in commercial and residential heating systems. Engineering-grade microprocessor circuitry provides reliable sequence timing, featuring a 15-second pre-purge to clear the combustion chamber and a 30-second trial for ignition (TFI). This direct spark ignition component utilizes a single rod sensing (local sense) configuration to monitor flame rectification, ensuring the main burner remains energized only when a flame signal is detected. Designed as a rugged replacement for various HVAC furnace controls, it manages the gas pilot light cycle and operates within a standard -40°F to 175°F temperature range. The Fenwal 35-63 series is critical for technicians troubleshooting heating system lockout issues, providing diagnostic LED capabilities for rapid field service. Proper installation requires verifying wiring harness compatibility and ensuring a solid common ground to prevent nuisance flame failures.
Key Benefits for Technicians- Efficient Pre-Purge: The 15-second pre-purge cycle ensures safe combustion chamber evacuation before the spark ignition sequence begins.
- Intermittent Pilot Logic: Reduces fuel consumption by only energizing the pilot burner during the heat call, eliminating the need for a standing pilot.
- Diagnostic Reliability: Built-in microprocessor control provides consistent timing and flame sensing, reducing call-backs for ignition failure.
- Universal Compatibility: Serves as a direct replacement for many Fenwal ignition modules found in boilers, furnaces, and commercial water heaters.
What does a 30-second TFI mean for system setup?
The Trial for Ignition period is the window the module allows for the pilot flame to light and be sensed. If the flame sensor does not detect a signal within 30 seconds, the gas control shuts down the valve to prevent gas buildup.
Can this module replace a dual-rod ignition system?
The 35-630501-103 is configured for local flame sensing through the spark electrode. If your current HVAC system uses a separate flame ionisation rod, you must ensure the wiring is adapted for single-rod operation or select the corresponding remote-sense model.
How do I troubleshoot intermittent lockout on this Fenwal module?
Common causes for ignition lockout include restricted pilot orifices, improper electrode gapping, or a weak grounding circuit. Check for at least 1.0 microamp of flame current to ensure the ignition control stays energized.
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.
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Description
The Fenwal 35-630501-103 is a 24VAC Intermittent Pilot (IP) ignition control module designed for precise gas valve control in commercial and residential heating systems. Engineering-grade microprocessor circuitry provides reliable sequence timing, featuring a 15-second pre-purge to clear the combustion chamber and a 30-second trial for ignition (TFI). This direct spark ignition component utilizes a single rod sensing (local sense) configuration to monitor flame rectification, ensuring the main burner remains energized only when a flame signal is detected. Designed as a rugged replacement for various HVAC furnace controls, it manages the gas pilot light cycle and operates within a standard -40°F to 175°F temperature range. The Fenwal 35-63 series is critical for technicians troubleshooting heating system lockout issues, providing diagnostic LED capabilities for rapid field service. Proper installation requires verifying wiring harness compatibility and ensuring a solid common ground to prevent nuisance flame failures.
Key Benefits for Technicians- Efficient Pre-Purge: The 15-second pre-purge cycle ensures safe combustion chamber evacuation before the spark ignition sequence begins.
- Intermittent Pilot Logic: Reduces fuel consumption by only energizing the pilot burner during the heat call, eliminating the need for a standing pilot.
- Diagnostic Reliability: Built-in microprocessor control provides consistent timing and flame sensing, reducing call-backs for ignition failure.
- Universal Compatibility: Serves as a direct replacement for many Fenwal ignition modules found in boilers, furnaces, and commercial water heaters.
What does a 30-second TFI mean for system setup?
The Trial for Ignition period is the window the module allows for the pilot flame to light and be sensed. If the flame sensor does not detect a signal within 30 seconds, the gas control shuts down the valve to prevent gas buildup.
Can this module replace a dual-rod ignition system?
The 35-630501-103 is configured for local flame sensing through the spark electrode. If your current HVAC system uses a separate flame ionisation rod, you must ensure the wiring is adapted for single-rod operation or select the corresponding remote-sense model.
How do I troubleshoot intermittent lockout on this Fenwal module?
Common causes for ignition lockout include restricted pilot orifices, improper electrode gapping, or a weak grounding circuit. Check for at least 1.0 microamp of flame current to ensure the ignition control stays energized.
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.
