Johnson Controls P20BB-1C : Air-Conditioning Pressure Control, 7 to 150 psi, Adjustable Differential, Open 40, 36" Capillary, Open Low, 1HP, Open Enclosure, Manual Reset
Neptronic SPD70-020 : Pressure Differential Transducer, 24 VAC/DC, 0-10 or 2-10 VDC & 4-20 or 0-20mA Output, 0-2" WC (0-0.5 KPa), Metal Enclosure (Additional shipping or handling charges may apply. Contact sales@energycontrol.com for a quote.)
Neptronic SPD70-010 : Pressure Differential Transducer, 24 VAC/DC, 0-10 or 2-10 VDC & 4-20 or 0-20mA Output, 0-1" WC (0-0.25 KPa), Metal Enclosure (Additional shipping or handling charges may apply. Contact sales@energycontrol.com for a quote.)
Neptronic SPD70-050 : Pressure Differential Transducer, 24 VAC/DC, 0-10 or 2-10 VDC & 4-20 or 0-20mA Output, 0-5" WC (0-1.25 KPa), Metal Enclosure (Additional shipping or handling charges may apply. Contact sales@energycontrol.com for a quote.)