R-410A Compatibility: High-pressure construction designed to withstand 660 PSI operating environments common in modern high-efficiency systems

Technicians typically identify failure through high-pitched operational noise

3-inch diameter motor housings

and reduced motor life

This limit control is primarily used in Lennox 80UHG

Setra 231G-MS3-2F-D Pressure Transducer 30067439-890 R-410A Compatibility: High-pressure construction designedThe Setra 231G MS3 2F D is a high performance wet to wet differential pressure transducer engineered for demanding hydronic and HVAC applications. Designed for maximum field flexibility, this multi configurable pressure sensor features 8 switch selectable ranges, covering 25, 50, 125, and 250 PSID in both unidirectional and bidirectional modes. This eliminates the need to carry multiple single range units, simplifying inventory and ensuring on site