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The PDS, Proven Draft Switch, is a fixed set point differential pressure switch that provides pressure monitoring in exhaust and ventilation systems. It is used with gas or oil-fixed appliances.
The PDS, Proven Draft Switch, is a fixed set point (.05”WC) differential pressure switch that is used in conjunction with ENERVEX’s fixed speed fan systems. The PDS provides differential pressure monitoring in exhaust and ventilation systems.
| Model Number | PDS-1 |
| Item Number | 301.1001.0000 |
| Maximum Load | 3 Amps @ 120 VAC |
| Range of Operation | .05 to .50”W.C. ( 13 to 135 Pa) |
| Temperature Limits | -40°F to +190°F (-40°C to +88°C) |
| Max. Pressure | 3 PSI (207 mbar |
| Wiring Connections | 1/4” Solderless Quick Connect Terminals |
| Pressure Connections | Two plastic tubes, outside diameter of 1/4” (6.0mm) |
| Weight | 9.6 oz. (0.275 kg) |
| Approvals | The switch is UL recognized product |

| Width | 5.12" / 130 mm |
| Depth | 3.19" / 81 mm |
| Height | 3.70" / 94 mm |

The differential pressure acts via diaphragm against the force of setting spring on the microswitch. The pressure switch operates without any auxiliary power.
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2-Year Factory Warranty |
Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
US$40
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