Enervex PDS-1, Proven Draft Switch
Enervex PDS-1, Proven Draft Switch
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The Proven Draft Switch (PDS) is a fixed set-point differential pressure switch that integrates seamlessly with ENERVEX Mechanical Draft Systems to safely shut down heating appliances during a fan failure.
Used with gas- or oil-fired appliances, the PDS pressure switch can be interlocked with the gas supply valve or safety or control circuit of your appliance. The differential pressure acts via diaphragm against the force of setting spring on the microswitch.
Common Companion Product
- Chimney Fan
- Reliable pressure monitoring
- Suitable for air, flue & exhaust gases
- Operates without any auxiliary power
|Diaphragm Material||NBR (Silicone)|
|Max Load||3 Amps @ 120 VAC|
|Range of Operation||0.05 50 0.5 inWC (13 to 135 Pa)|
|Temperature Limits||-40°F to +190°F (-40°C to +88°C)|
|Max Pressure||3 PSI (207 mBar)|
|Wiring Connection||1/4" Solderless Quick Connect Terminals|
|Pressure Connections||2 plastic tubes, 1/4" (6 mm) outside diameter|
|Weight||9.6 oz (0.275 kg)|
|Insulation Class||NEMA 1 (IP 20)|
|Warranty||2-Year Factory Warranty|
|Listing Certification||UL Standard|
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