Description
The Honeywell S8670J3002/B is a Direct Spark Ignition (DSI) control board engineered for dependable performance in gas-fired heating applications including furnaces and boilers. Designed as a precision ignition controller, this board manages the complete ignition sequence — from pre-purge through spark ignition and flame establishment — while continuously monitoring flame presence to ensure safe, efficient operation. Its robust safety lockout circuitry protects equipment and occupants by shutting down the system in the event of ignition failure or flame loss.
Key Features
- Direct Spark Ignition (DSI) control for gas-fired heating systems
- Integrated flame sensing and supervision circuitry
- Automatic safety lockout on ignition failure or flame loss
- Reliable ignition sequencing: pre-purge, trial for ignition, and post-purge control
- Designed for drop-in replacement in compatible Honeywell-controlled systems
- Compact board design for straightforward installation in OEM and retrofit applications
- Manufactured to Honeywell’s stringent quality and reliability standards
Application
The S8670J3002/B is suited for use in residential and light commercial gas furnaces, boilers, and other gas heating appliances that require direct spark ignition control. It serves as a reliable OEM replacement or upgrade component, helping restore proper ignition function and system safety.
Why Choose the Honeywell S8670J3002/B?
Honeywell’s S8670 series control boards are trusted by HVAC professionals for their proven reliability and safety performance. The S8670J3002/B provides peace of mind through integrated flame supervision and automatic lockout, reducing the risk of unsafe operation. Its compatibility with a wide range of gas heating equipment makes it a go-to solution for service technicians and contractors.
Specifications
- Brand: Honeywell
- Model / SKU: S8670J3002/B
- Control Type: Direct Spark Ignition (DSI)
- Application: Gas-fired furnaces, boilers, and heating appliances
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