What is the difference between the Jorc 3623-U3 and 3623-U4 level sensing drains?
Jorc 3623-U3 115V AC SMART-GUARD Level Sensing Drain, 0-230 PSI, NO
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Open Oct 15, 2025 - 08:41 AM
Condensate Drain Valves
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Answer
Oct 15, 2025 - 08:43 AM
The difference between the Jorc 3623-U3 and 3623-U4 level sensing drains is that the 3623-U3 has normally open alarm contacts (closed when the alarm is active), and the 3623-U4 has normally closed alarm contacts (open when the alarm is active).
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