ENERVEX PROVEN DRAFT SWITCH
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Weight:3
Width:12
Height:8
Volume:0.667
Depth:12
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.