Dwyer Instruments 1910-20 Pressure Switch, 321894-706 Enhanced Component Longevity: Protects internal

Enhanced Component Longevity: Protects internal electrical contacts from moisture and debris

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designed for standard braze/sweat connections in 8-ton cooling circuits

OEM Compatibility: A direct-fit replacement pressure switch for popular models including 4YCC

Dwyer Instruments 1910-20 Pressure Switch, 321894-706 Enhanced Component Longevity: Protects internalDesigned for precision and field reliability, the Dwyer Instruments 1910 20 is a essential differential pressure switch for monitoring air and non combustible gases in HVAC systems. This Series 1900 pressure switch features a wide set point range of 4. 0" w. c. to 20. 0" w. c., making it ideal for high demand applications such as clogged filter detection, fan proving, and frost prevention on refrigeration coils. The unit utilizes a single pole double