IO Hvac Controls iO-WW1 Alarm System 318973-401 or visible soot marks around

or visible soot marks around the seal area

Cabinet Internal Mounting: Engineered to withstand the specific airflow pressures and heat profiles found within 4505 and 6505 series cabinets

It features a rugged bronze body (ASTM B584) and an alloy steel plated spring housed in a diaphragm-isolated chamber

The 'A' suffix typically denotes a minor manufacturing revision that does not affect field installation or compatibility

making it the reliable choice for repairing advanced variable-speed air handlers and gas furnaces

IO Hvac Controls iO-WW1 Alarm System 318973-401 or visible soot marks aroundThe iO WW1 Warning Watchdog is a professional grade condensing unit alarm system designed for veteran HVACR contractors to safeguard outdoor assets against theft, vandalism, and refrigerant discharge. This hardwired logic panel provides a comprehensive security solution by monitoring the physical and electrical integrity of the system. The iO WW1 kit includes a hardwired logic panel, iO WWPS power supply (12V DC), iO WWS siren (118dB output), iO