Dwyer Instruments 1638-0 Pressure Switch Freon this Danfoss temperature sensor delivers

this Danfoss temperature sensor delivers consistent Pt100 sensing accuracy across a temperature range of -58°F to 392°F

This display module is specifically engineered for York and Johnson Controls systems that utilize this specific OEM part number

Replacement is recommended if you notice visible cracks

Standardized Electrical Specs: Operates on a standard 24V furnace control circuit for broad compatibility with existing transformers

Dwyer Instruments 1638-0 Pressure Switch Freon this Danfoss temperature sensor deliversThe Dwyer Instruments 1638 0 Pressure Switch is a high precision, large diaphragm differential pressure switch engineered for critical HVAC and industrial process monitoring. Designed for use with air and non combustible gases, this low pressure switch features an adjustable range of 0. 05" w. c. to 0. 25" w. c., making it ideal for duct air control and sensitive differential pressure sensing. The unit utilizes a single pole double throw (SPDT)