Dwyer Instruments 1831-1-RA-S Pressure Switch Freon or an oversized orifice for

or an oversized orifice for the current system pressure

Using it with natural gas is unsafe and will void proper operation

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

the 2864606S is the genuine OEM secondary heat exchanger for specific 90%+ AFUE models

Dwyer Instruments 1831-1-RA-S Pressure Switch Freon or an oversized orifice forThe 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