
Dwyer Instruments 1823-1 Pressure Switch
The Dwyer Instruments 1823-1 Pressure Switch is a cornerstone for industrial differential pressure monitoring, engineered specifically for high-reliability HVAC pressure control and mechanical equipment integration. This compact low differential pressure switch features an adjustable set point range of 0.3" to 1.0" w.c., providing 2% repeatability for critical airflow validation and filter monitoring. Designed for use with air and non-combustible gases, the unit utilizes a vertical diaphragm orientation to ensure consistent accuracy across its 0.08" w.c. approximate deadband.
Built for the rigors of field installation, the 1823-1 includes a single-pole double-throw (SPDT) switch rated at 15 A @ 120-480 VAC, suitable for direct motor control or signaling. The 1/8" female NPT process connections and internal screw-type set point adjustment allow for seamless panel or wall mounting. With a robust 10 psig continuous pressure limit and an operating temperature range of -30 to 180°F, this switch maintains structural integrity in demanding mechanical rooms. Its UL, CSA, and FM approvals confirm it meets the safety standards required for professional contracting and process automation projects.
Key Benefits for Contractors- Precision Calibration: Reliable 2% repeatability ensures precise differential pressure set point management for air handlers and ventilation ducts.
- Versatile Electrical Compatibility: High-capacity SPDT snap-action switch handles 15A resistive loads, facilitating integration with diverse industrial pressure switch applications.
- Streamlined Installation: Compact footprint and internal mounting spud permit easy access for adjustments through panels or walls.
- Industrial Durability: Engineered to withstand 10 psig continuous pressure and 25 psig surges without compromising the sensitivity of the diaphragm.
- Can this switch be mounted horizontally? While designed for vertical installation, horizontal mounting is possible but will increase the switching value by approximately 0.08" w.c. For maximum accuracy, maintain vertical orientation with connections pointing down.
- What media is compatible with the 1823-1? This model is rated exclusively for air and non-combustible, compatible gases. Avoid use with corrosive or combustible fluids.
- Is the set point adjustable in the field? Yes, the set point is easily modified via a slotted screw located inside the mounting spud, allowing for fine-tuning without specialized tools.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $123.27
-65%$123.27
$43.14Dwyer Instruments 1823-1 Pressure Switch
The Dwyer Instruments 1823-1 Pressure Switch is a cornerstone for industrial differential pressure monitoring, engineered specifically for high-reliability HVAC pressure control and mechanical equipment integration. This compact low differential pressure switch features an adjustable set point range of 0.3" to 1.0" w.c., providing 2% repeatability for critical airflow validation and filter monitoring. Designed for use with air and non-combustible gases, the unit utilizes a vertical diaphragm orientation to ensure consistent accuracy across its 0.08" w.c. approximate deadband.
Built for the rigors of field installation, the 1823-1 includes a single-pole double-throw (SPDT) switch rated at 15 A @ 120-480 VAC, suitable for direct motor control or signaling. The 1/8" female NPT process connections and internal screw-type set point adjustment allow for seamless panel or wall mounting. With a robust 10 psig continuous pressure limit and an operating temperature range of -30 to 180°F, this switch maintains structural integrity in demanding mechanical rooms. Its UL, CSA, and FM approvals confirm it meets the safety standards required for professional contracting and process automation projects.
Key Benefits for Contractors- Precision Calibration: Reliable 2% repeatability ensures precise differential pressure set point management for air handlers and ventilation ducts.
- Versatile Electrical Compatibility: High-capacity SPDT snap-action switch handles 15A resistive loads, facilitating integration with diverse industrial pressure switch applications.
- Streamlined Installation: Compact footprint and internal mounting spud permit easy access for adjustments through panels or walls.
- Industrial Durability: Engineered to withstand 10 psig continuous pressure and 25 psig surges without compromising the sensitivity of the diaphragm.
- Can this switch be mounted horizontally? While designed for vertical installation, horizontal mounting is possible but will increase the switching value by approximately 0.08" w.c. For maximum accuracy, maintain vertical orientation with connections pointing down.
- What media is compatible with the 1823-1? This model is rated exclusively for air and non-combustible, compatible gases. Avoid use with corrosive or combustible fluids.
- Is the set point adjustable in the field? Yes, the set point is easily modified via a slotted screw located inside the mounting spud, allowing for fine-tuning without specialized tools.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Dwyer Instruments 1823-1 Pressure Switch is a cornerstone for industrial differential pressure monitoring, engineered specifically for high-reliability HVAC pressure control and mechanical equipment integration. This compact low differential pressure switch features an adjustable set point range of 0.3" to 1.0" w.c., providing 2% repeatability for critical airflow validation and filter monitoring. Designed for use with air and non-combustible gases, the unit utilizes a vertical diaphragm orientation to ensure consistent accuracy across its 0.08" w.c. approximate deadband.
Built for the rigors of field installation, the 1823-1 includes a single-pole double-throw (SPDT) switch rated at 15 A @ 120-480 VAC, suitable for direct motor control or signaling. The 1/8" female NPT process connections and internal screw-type set point adjustment allow for seamless panel or wall mounting. With a robust 10 psig continuous pressure limit and an operating temperature range of -30 to 180°F, this switch maintains structural integrity in demanding mechanical rooms. Its UL, CSA, and FM approvals confirm it meets the safety standards required for professional contracting and process automation projects.
Key Benefits for Contractors- Precision Calibration: Reliable 2% repeatability ensures precise differential pressure set point management for air handlers and ventilation ducts.
- Versatile Electrical Compatibility: High-capacity SPDT snap-action switch handles 15A resistive loads, facilitating integration with diverse industrial pressure switch applications.
- Streamlined Installation: Compact footprint and internal mounting spud permit easy access for adjustments through panels or walls.
- Industrial Durability: Engineered to withstand 10 psig continuous pressure and 25 psig surges without compromising the sensitivity of the diaphragm.
- Can this switch be mounted horizontally? While designed for vertical installation, horizontal mounting is possible but will increase the switching value by approximately 0.08" w.c. For maximum accuracy, maintain vertical orientation with connections pointing down.
- What media is compatible with the 1823-1? This model is rated exclusively for air and non-combustible, compatible gases. Avoid use with corrosive or combustible fluids.
- Is the set point adjustable in the field? Yes, the set point is easily modified via a slotted screw located inside the mounting spud, allowing for fine-tuning without specialized tools.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












