120V 5 SEC PREPURGE 4 TFI]
120V
50/60Hz
Ignition Time 4 Seconds
Features
- Safe start with DETECT-A-FLAMEĀ® flame sensing technology
- Custom pre-purge and inter-purge timings
- Inducer blower control and airflow switch monitoring
- Single or three trials for ignition
- System diagnostic LED
- Flame current test points
- Local or remote flame sensing
- Automatic reset
- Alarm output (normally closed contact)
- Open board, potted or enclosure
- Polarity insensitive input power
The 35-71 is a 120 VAC direct spark ignition (DSI) control designed for use in all types of gas-fired appliances. The control uses a microprocessor circuit to provide precise, repeatable timing and operating sequences. On-board diagnostics with LED output makes troubleshooting easy and ensures safe and efficient operation.