Description
The Honeywell S8701A1090 is a Direct Spark Ignition (DSI) Module engineered to provide dependable, automatic ignition control for gas-fired heating appliances. Featuring a 4-second lockout timing sequence, this module monitors the ignition trial and shuts down the system if flame is not established within the allotted period, helping to prevent unburned gas accumulation and promoting safe system operation.
Key Features
- Direct Spark Ignition (DSI) control module
- 4-second lockout on failed ignition trial for enhanced safety
- Designed for use with gas-fired furnaces and heating appliances
- Provides automatic ignition sequencing and flame supervision
- Compact design for straightforward OEM and replacement installations
- Honeywell quality engineering for long-term reliability
Application
The S8701A1090 is suited for residential and light commercial gas furnaces and heating equipment requiring direct spark ignition control. It is commonly used as a direct OEM replacement or service part, restoring proper ignition sequencing and lockout protection to the system.
Safety & Operation
Upon a call for heat, the module energizes the igniter and gas valve simultaneously. If flame is not sensed within the 4-second trial period, the module locks out and requires a manual reset or thermostat cycle to restart, ensuring safe and controlled operation.
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