Fenwal 35-725205-521 is a Direct Spark Ignition with potted configuration and multi-pin connector wiring.  The device configurations are three try for ignition, have local sense thermostat for flame sensing, and a power-off reset. Ignition Trial Time is 4 Seconds, Pre-purge is 5 Seconds and Inter-Purge is 25 Seconds.

The 35-72 Direct Spark Ignition (DSI) control is designed for use in all types of gas-fired appliances.  The control uses a microprocessor circuit to provide precise, repeatable timing and operating sequences.  They feature a safe start with DETECT-A-FLAME® flame sensing technology. Safe start with DETECT-A-FLAME® flame sensing technology, Custom pre-purge and inter-purge timings, Single or three trials for ignition, Local or remote flame sensing, Thermostat/Power off reset, and Open board with standoffs or potted.


APPLICATIONS 

•Commercial cooking
•Infrared burners
•Construction and agriculture heaters
•Other gas-fired appliances

Agency Certifications

• Recognized under the UL component program, UL 372. Software certified to ANSI/UL 1998. UL File MH8817
• Design Certified to ANSI Z21.20, CAN/CSA C22.2 No. 199-M89