Description
Honeywell S8901A1012 Hot Surface Ignition Control Module
The Honeywell S8901A1012 is a Hot Surface Ignition (HSI) Control Module engineered to deliver dependable, repeatable ignition sequencing in residential and light-commercial gas furnaces and heating appliances. Featuring a 6-second trial-for-ignition lockout, this control provides fast fault detection and system protection, minimizing the risk of unburned gas accumulation and ensuring safe, efficient operation on every call for heat.
Key Features
- Hot Surface Ignition (HSI) control module for gas-fired heating systems
- 6-second trial-for-ignition lockout for rapid fault detection and system safety
- Designed for direct OEM replacement in compatible Honeywell-controlled furnaces
- Provides precise ignition sequencing to protect heat exchangers and burner components
- Compact module design for straightforward installation in existing control panels
- Supports reliable flame sensing and automatic lockout on ignition failure
- Helps reduce service callbacks with consistent, repeatable ignition performance
Application
The S8901A1012 is suited for use in residential and light-commercial gas furnaces where hot surface ignition control is required. It serves as a reliable OEM-equivalent replacement for worn or failed ignition control modules, restoring proper ignition sequencing and safety lockout functionality.
Why Choose the Honeywell S8901A1012?
Honeywell’s S8901 series ignition controls are trusted throughout the HVAC industry for their proven reliability and safety performance. The 6-second lockout timing helps protect equipment and occupants by quickly shutting down the ignition sequence if flame is not established, preventing hazardous gas buildup. This module is an essential component for maintaining safe, efficient furnace operation.







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