Miscellaneous Product WD-1B SPDT Water Detector
The WD-1B SPDT Water Detector is a miscellaneous HVAC safety device designed to detect the presence of water and help prevent equipment damage. It operates by sensing moisture through its probe and activating an internal SPDT (Single Pole Double Throw) switch when water is detected. This signal can be used to shut down HVAC equipment or trigger an alarm.