The Honeywell S8701A1026 is a Direct Spark Ignition (DSI) module engineered for dependable ignition control in gas-fired heating appliances. Designed with a 21-second trial-for-ignition period, this module monitors the ignition sequence and initiates a safety lockout if flame is not established within the allotted time — protecting equipment and occupants from unburned gas accumulation.
Key Features
- 21-second trial-for-ignition timing for safe, controlled burner startup
- Automatic lockout on ignition failure to prevent hazardous gas buildup
- Direct spark ignition (DSI) design eliminates the need for a standing pilot
- Compact module design for straightforward OEM and replacement installations
- Compatible with a wide range of gas-fired furnaces and heating appliances
- Proven Honeywell reliability for residential and light commercial HVAC applications
Product Specifications
- Brand: Honeywell
- Part Number / SKU: S8701A1026
- Ignition Type: Direct Spark Ignition (DSI)
- Trial-for-Ignition Period: 21 Seconds
- Safety Feature: Automatic Lockout on Flame Failure
- Application: Gas-fired furnaces and heating appliances
Application
The S8701A1026 is a direct replacement DSI module suited for OEM and aftermarket service applications in gas furnaces and heating systems. Its automatic lockout function ensures that if ignition is not confirmed within the 21-second trial period, the system safely shuts down and requires manual reset — a critical safety feature for any gas combustion appliance. Ideal for HVAC technicians performing routine maintenance, component replacement, or system upgrades.
