35-655706-021 | HSI,4secHeatup3tryNoPP4secTFI | Fenwal

Fenwal NCO-35-655706-021 High-Sensitivity Ignition (HSI) Module The Fenwal NCO-35-655706-021 is a highly sensitive ignition (HSI) module designed for precise temperature sensing and flame detection. It features a rapid 4-second heat-up time and 4-second temperature fall indication (TFI) for accurate and reliable ignition control. With its compact and durable design, this HSI module is ideal for use in industrial combustion applications, including boilers, furnaces, and ovens. Its HS technology ensures reliable ignition with minimal false triggering, reducing system downtime and maintenance costs. The NCO-35-655706-021 module operates on a 24 VAC power supply and comes pre-calibrated for easy installation and setup. For the best prices and fast shipping on high-quality industrial products, choose our HVAC supply store, your trusted supplier for reliable components and efficient service.