Dwyer Instruments 1831-1-RA-S Pressure Switch Freon Robust Protection: Equipped with internal

Robust Protection: Equipped with internal fuses to protect the 40VA transformer and pump outputs

FMD series

By utilizing an authentic Trane replacement part

Installation of the 1184270 top panel secures the upper section of the furnace or air conditioning cabinet

Dwyer Instruments 1831-1-RA-S Pressure Switch Freon Robust Protection: Equipped with internalThe Dwyer Instruments 1831 1 RA S Low Differential Pressure Switch is a critical safety component designed for precise HVAC pressure monitoring and air flow verification. This model operates within a set point range of 2. 5 to 9 inches w. c., making it ideal for high static pressure applications where manual intervention is required following a trip. Built with a silicone diaphragm and a rugged Type 1 enclosure, this switch manages a 10 psi maximum