Internal Vent Limiting: The included 12A39 vent limiter ensures safe indoor operation by restricting gas escapement without requiring a dedicated vent line to the atmosphere

Vibration Resistant: Engineering-grade bellows construction withstands the rigorous conditions often found in motor-driven plant rooms

ensuring structural integrity and a low-leakage seal (less than 1% at 0

making it a versatile stock item for various international and domestic equipment configurations

including Pre-Purge

Resideo GT162 Thermometer 321894-709 Internal Vent Limiting: The includedFor high demand hydronic applications, the Resideo GT162 Dial Thermometer provides accurate, real time temperature monitoring for boiler supply and return lines. This 2. 5 inch dial thermometer features a service friendly design that includes a separate 0. 5 inch NPT brass thermowell, allowing for sensor removal and replacement without the need to drain the entire loop. Built with a rugged steel case for professional durability, it maintains a precise