Find reliable intermittent pilot ignition controls to manage your furnace or boiler efficiently. This guide highlights five solid options, explaining who they’re best for and why. Use these notes to choose the right control module for your system’s ignition sequence, flame monitoring, and safety shutoff needs.
The table below summarizes the selected products, focusing on who they’re best for and their core strengths:
| Product | Brand | Best For | Why It Stands Out |
|---|---|---|---|
| Honeywell S8610U3009 Furnace Intermittent Pilot Control | Honeywell | Standard furnaces needing reliable ignition sequence and flame monitoring | 100% pilot gas shutoff if lighting fails; suitable for single or dual rod/remote sense |
| RAM-4 Intermittent Pilot Ignition Control | Robertshaw | Simple 120V systems requiring robust ignition control | Compact, straightforward voltage-based control |
| ICM Controls ICM2918 | ICM Controls | Systems needing versatile ignition sequence and lockable trials | Pre-purge and ignition trials with permanent lock; versatile for single/dual rod |
| S8610M3009 S8610U Replacement (Apzte) | Apzte | Replacement boards for Honeywell-compatible furnaces/boilers | Direct replacement for common Honeywell S8610U variants |
| S8610U Replacement (Wudey) | Wudey | Universal replacement, broad compatibility | Supports multiple legacy modules with ignition and flame monitoring |
Honeywell S8610U3009 Furnace Intermittent Pilot Control
Best for: Classic residential furnaces that rely on an intermittent pilot scheme. This module handles the ignition sequence, flame monitoring, and safety shutoff. It provides 100 percent pilot gas shutoff if the pilot fails to light, making it a reliable choice for single or dual rod systems with remote sensing. Consider this when your setup matches Honeywell’s S8610U family.
Why chosen: It integrates ignition control with robust flame monitoring and a safety shutoff that helps prevent gas leakage when lighting fails. A clear advantage is its compatibility with common Honeywell/Resideo configurations used in many homes.
Caution: Verify compatibility with your furnace model and ensure correct wiring for remote sense or dual-rod configurations to avoid improper functioning.
RAM-4 Intermittent Pilot Ignition Control
Best for: Simpler 120V systems that need a compact, reliable ignition controller. RAM-4 offers straightforward control for ignition sequences in smaller furnaces or boilers. Choose this if your setup emphasizes basic operation with minimal complexity.
Why chosen: It delivers essential ignition control without extra features that aren’t needed in smaller or less complex installations. A clear limitation is its narrower voltage rating, so ensure compatibility with your electrical supply.
Caution: Not ideal for high-demand systems or installations requiring advanced pre-purge or multiple trial ignition options beyond basic ignition control.
ICM Controls ICM2918
Best for: Boilers or furnaces requiring more flexible ignition sequences and safety features. ICM2918 supports single or dual rod intermittent pilot control applications and offers switch-selectable pre-purge and ignition trials with a permanent lock.
Why chosen: Its versatility suits installations that demand configurable ignition behavior and robust safety shutdown monitoring. It suits a range of gas-fired heating appliances beyond simple furnaces.
Caution: Ensure your system matches the controller’s capability for pre-purge and ignition trial configurations to avoid mis-match with non-rectification flame sensing setups.
S8610U Furnace Control Board Module Replacement (Apzte)
Best for: Homeowners with Honeywell-compatible furnace control boards seeking a direct replacement option. This module is designed to work with S8610U3009 and S8610U1003 and recent Resideo systems.
Why chosen: It provides a straightforward path to replacing a worn intermittent pilot module with a compatible board that maintains ignition sequencing and flame monitoring.
Caution: Not suitable for standing-pilot systems or non-rectification flame sensing setups; confirm your furnace’s exact controller family before purchase.
S8610U Furnace Control Board Replacement (Wudey)
Best for: Broad compatibility replacements in older homes or multifuel installations that require an intermittent pilot control with reliable flame sensing.
Why chosen: The module claims broad compatibility with Honeywell and related manufacturers, offering a field-service replacement option for common intermittent pilot configurations.
Caution: Check that the exact model numbers align with your furnace or boiler to avoid incorrect installation or function issues.
Buying Guide: Intermittent Pilot Ignition Controls
- What is your furnace or boiler type? Confirm whether you need an intermittent pilot system or if you require compatibility with a standing pilot or electronic ignition.
- Voltage and wiring compatibility: Most common controls operate at 120V, but verify your system’s voltage and available wiring harnesses for remote sensing or dual-rod configurations.
- Ignition sequence features: Look for pre-purge options, trial ignitions, and lockable safety features. These determine how reliably the system starts and how it handles faults.
- Flame monitoring and safety: Ensure the control includes flame sensing and a safety shutoff to prevent gas flow if ignition or flame detection fails.
- Replacement vs. direct replacement: If replacing an existing board, confirm model numbers (for Honeywell/Resideo families) to ensure compatibility and avoid non-rectification or incorrect flame sensing setups.
- Installation considerations: Some modules require professional wiring or programming; others are straightforward drop-in replacements. Assess your comfort level and local code requirements.
- System age and maintenance: Older systems may benefit from replacements that restore reliable ignition but may also have other wear-related issues. Consider a full system assessment.
Frequently Asked Questions
- What is an intermittent pilot ignition control?
It is a device that starts and monitors the pilot flame in gas furnaces or boilers, cycling ignition as needed and shutting off gas if ignition fails.
- When should I replace an ignition control module?
Consider replacement if ignition reliability declines, flame monitoring is inconsistent, or your furnace presents frequent ignition faults or safety shutoffs.
- Can I replace an ignition control myself?
Some models are DIY-friendly, but many installations require wiring knowledge and adherence to safety standards. Check the manufacturer’s instructions and local codes.
- What should I verify before buying a replacement?
Compatibility with your furnace or boiler model, voltage requirements, and whether the module supports your system’s ignition sequence and flame sensing method.
- Do these controls work with both furnaces and boilers?
Many do, but always confirm the exact model’s application notes to ensure suitability for your appliance type.
- Are there safety concerns with intermittent pilot systems?
Yes, improper installation or failure to monitor flame can lead to gas leakage. Use components rated for your system and follow safety guidelines.