Scully WL-101Scully WL 101 is a reliable Whistler Fill Signal engineered for 1 1 2 in systems, delivering precise status indication where visibility matters. This industrial signal device, the Scully WL 101, blends rugged durability with easy installation, making it ideal for demanding setups in manufacturing, utilities, and process lines. Its compact form fits tight panels and retrofit projects. Designed for longevity, the WL 101 features a durable, sealed

consistent water temperature in domestic systems

and gas appliances

Electrical: 80 VAC at 50/60 Hz

1 A FLA at 120 V

it ensures a steady water supply while preventing dangerous boiler dry-firing

9-inch screw-in design: Easy installation and secure fit in standard tanks

Zone Control Damper improves zoning and airflow management for HVAC systems

and control boards in residential systems

or electric systems and features a clear backlit display for easy viewing in any light

this sensor delivers precise temperature readings across a broad range and ships factory calibrated for quick integration

Environment & materials: Operating temp 32–200 °F

It operates on 24 Volt AC with a spring-return mechanism