🔥 BGN891-1C BASO Replacement Module for Lennox Pulse Furnace
✅ Product Description
The BGN891-1C BASO Ignition Control Module is a high-quality direct replacement for Lennox Pulse furnaces, designed for natural gas or propane systems. Built as a plug-and-play solution, it replaces the Johnson Controls G891 series (blue) ignition controls, offering reliability, safety, and precise ignition control.
With pre-programmed purge and trial sequences, this 24V ignition module ensures safe and consistent startup for your furnace while protecting critical components. The included adapter harnesses make installation fast and easy, even for older models.
✅ Key Features
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✅ Direct Replacement – Replaces Johnson Controls G891 series pulse ignition modules.
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✅ Plug-and-Play – 6-pin adapter allows quick installation without rewiring.
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✅ Compatible with Natural Gas & Propane – Versatile solution for multiple furnace setups.
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✅ Built-in Safety Sequences – Pre-purge, trial for ignition, inter-purge, and post-purge sequences for safe operation.
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✅ Reliable Spark – 15kV minimum output with 0.2” max spark gap.
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✅ Versatile Voltage – Works at 24V, 50/60Hz, supporting inducer operation at 120/240V.
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✅ Compact & Durable – Long-lasting design for professional service use.
📊 Specifications
| Specification | Detail |
|---|
| Model Number |
BGN891-1C |
| Replacement For |
Johnson Controls G891 Series |
| Retry Minutes |
60 Min |
| Pre-Purge Seconds |
30 Sec |
| Trial for Ignition |
5 Attempts @ 8 Sec |
| Inter-Purge Seconds |
30 Sec |
| Post-Purge Seconds |
30 Sec |
| Voltage |
24V |
| Frequency |
50/60Hz |
| Valve Current Max |
4A |
| Current Draw |
0.3A |
| Spark Gap Max |
0.2 in |
| Spark Output |
15kV Min |
| Alarm |
24V 1A Max |
| Inducer |
120/240V, 3/1.5A Max |
⚠️ Common Symptoms (When You Need This Module)
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Furnace fails to ignite.
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Intermittent sparking or ignition delays.
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Furnace cycles on and off unexpectedly.
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Error codes indicating G891 failure or ignition control fault.
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Audible clicking without successful ignition.
❓ Frequently Asked Questions (FAQ)
Q: Will this work on my Lennox Pulse furnace?
A: Yes, it is a direct replacement for furnaces using the Johnson Controls G891 series. Compatible with both natural gas and propane.
Q: How easy is installation?
A: Very easy — the 6-pin adapter allows plug-and-play installation. Additional harness adapters are included for older models if needed.
Q: What is the difference between BGN891-1 and BGN891-1C?
A: Both provide the same reliable ignition control; the -1C model features the black BASO housing and includes all necessary adapters for service replacement.
Q: Can this module handle inducer and valve operation?
A: Yes, it supports 120/240V inducers up to 3/1.5A and valve control up to 4A.
🛒 Shopping Tips
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🔧 Confirm Your Furnace Model – Ensure your furnace uses a G891 series ignition control.
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⚡ Turn Off Power Before Installation – Safety first: shut off all power before replacing the module.
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🧰 Keep Adapter Harnesses Handy – Older furnaces may require the included adapter for proper connection.
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💡 Check Spark Gap – Verify your furnace spark gap does not exceed 0.2 in for optimal operation.
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⏱️ Follow Pre- and Post-Purge Timings – The module comes pre-programmed; do not modify unless specified by the manufacturer.
