![Series 1831 | DPDT Low Differential Pressure Switches which applies to HVAC and high duct static cutout applications. Absolutely no power is required to operate the DPDT switch. Set point adjustment on Series 1831 | DPDT Low Differential Pressure Switches which applies to HVAC and high duct static cutout applications. Absolutely no power is required to operate the DPDT switch. Set point adjustment on](https://dwyer-inst.com/media/catalog/product/cache/8170e932d73406d1e88a63ebe962df7a/1/8/1831_front_600x600.gif)
Series 1831 | DPDT Low Differential Pressure Switches which applies to HVAC and high duct static cutout applications. Absolutely no power is required to operate the DPDT switch. Set point adjustment on
![Amazon.com: DWYER 1900-1-MR Pressure Switch Manual Reset 10PSI MAX Temp 110F : Industrial & Scientific Amazon.com: DWYER 1900-1-MR Pressure Switch Manual Reset 10PSI MAX Temp 110F : Industrial & Scientific](https://m.media-amazon.com/images/I/31LQSunaQiL.jpg)
Amazon.com: DWYER 1900-1-MR Pressure Switch Manual Reset 10PSI MAX Temp 110F : Industrial & Scientific
![Series 1950 | Explosion-proof Differential Pressure Switch applies to HVAC, processes, and all-weather. Used with air or compatible gases. Applications with hazardous atmospheres. | Dwyer Instruments Series 1950 | Explosion-proof Differential Pressure Switch applies to HVAC, processes, and all-weather. Used with air or compatible gases. Applications with hazardous atmospheres. | Dwyer Instruments](https://www.dwyer-inst.co.uk/images/addtl/1950_600x600.gif)
Series 1950 | Explosion-proof Differential Pressure Switch applies to HVAC, processes, and all-weather. Used with air or compatible gases. Applications with hazardous atmospheres. | Dwyer Instruments
![Dwyer 1900-5-MR Compact Low Differential Pressure Switch, Manual Reset, Range 1.4 - 5.5" W.C. - at the Test Equipment Depot Dwyer 1900-5-MR Compact Low Differential Pressure Switch, Manual Reset, Range 1.4 - 5.5" W.C. - at the Test Equipment Depot](https://www.testequipmentdepot.com/dwyer/images/19005mr.jpg)
Dwyer 1900-5-MR Compact Low Differential Pressure Switch, Manual Reset, Range 1.4 - 5.5" W.C. - at the Test Equipment Depot
![Series PG | Gas Pressure/Differential Pressure Switch is used with air and other compatible gases. Clear easy-to-read, and convenient external setpoint adjustment. Applications include natural, manufactured or LP gas. | Dwyer Instruments Series PG | Gas Pressure/Differential Pressure Switch is used with air and other compatible gases. Clear easy-to-read, and convenient external setpoint adjustment. Applications include natural, manufactured or LP gas. | Dwyer Instruments](https://dwyer-inst.com/media/catalog/product/cache/8170e932d73406d1e88a63ebe962df7a/p/g/pg_600x600.gif)
Series PG | Gas Pressure/Differential Pressure Switch is used with air and other compatible gases. Clear easy-to-read, and convenient external setpoint adjustment. Applications include natural, manufactured or LP gas. | Dwyer Instruments
DWYER Differential Pressure Gauge & Switch: 0 to 5 in wc, Single-Side, DPDT, 1/8 in NPT Female - 4ME80|A3005 - Grainger
![Dwyer Instruments - 1950G-1-B-24-NA - Differential Pressure Switch, Explosion Proof, .4-1.6in w.c., 1950G Series - Allied Electronics & Automation, part of RS Group Dwyer Instruments - 1950G-1-B-24-NA - Differential Pressure Switch, Explosion Proof, .4-1.6in w.c., 1950G Series - Allied Electronics & Automation, part of RS Group](https://assets.alliedelec.com/f_auto,q_auto/71314362.jpg)
Dwyer Instruments - 1950G-1-B-24-NA - Differential Pressure Switch, Explosion Proof, .4-1.6in w.c., 1950G Series - Allied Electronics & Automation, part of RS Group
![Dwyer Instruments - 1900-5-MR - Compact Low Differential Pressure Switch, , 1.40-5.5in w.c., Manual Reset - Allied Electronics & Automation, part of RS Group Dwyer Instruments - 1900-5-MR - Compact Low Differential Pressure Switch, , 1.40-5.5in w.c., Manual Reset - Allied Electronics & Automation, part of RS Group](https://assets.alliedelec.com/f_auto,q_auto,c_scale,w_400/71302581.jpg)
Dwyer Instruments - 1900-5-MR - Compact Low Differential Pressure Switch, , 1.40-5.5in w.c., Manual Reset - Allied Electronics & Automation, part of RS Group
![Dwyer Series 1900-00 Compact Low Differential Pressure switch Range 0.07-0.15" WC at Rs 8500 | Series 1900 Compact Low Differential Pressure switch- D.P.Engineers in Delhi | ID: 20970500791 Dwyer Series 1900-00 Compact Low Differential Pressure switch Range 0.07-0.15" WC at Rs 8500 | Series 1900 Compact Low Differential Pressure switch- D.P.Engineers in Delhi | ID: 20970500791](https://5.imimg.com/data5/PQ/QA/QT/SELLER-2450770/dwyer-series-1900-00-compact-low-differential-pressure-switch-range-0-07-0-15-wc-500x500.jpg)