Engineered for high-performance pneumatic instrument controls

3-inch diameter motor housings

and the external cooling fan (part 318977-401) typically required for these high-efficiency units

This limit control is primarily used in Lennox 80UHG

Setra 231G-MS3-2F-D Pressure Transducer 30067439-890 Engineered for high-performance pneumatic instrumentThe 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