| http://www.w3.org/ns/prov#value | - If the reduction in fluid pressure in the conduit 22 is due to factors such as air absorption or an air leak in the pressure switch 20 or other system components, the pump 32 should quickly be able to restore the predetermined pressure level and de-actuate the pressure switch 20 before the time delay times out, in which case the controller 24 would reset the time delay unit 28 and the alarm 36 wou
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