Q: What is the difference between the HSC-4 and the HSC-5?
A: Hold on time, the HSC-4 has a 1 hour hold on time while the HSC-5 has a 5 hour hold on time.
sensor:
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ETI SIT-6E Pavement Mounted Snow & Ice Sensor used with any APS series or EUR–5A Control Panel |
| both controller and sensor: |
ETI HSC-4 & HSC-5 Pavement Mount Snow Melt Control. Automatic Deicing Control Saves Energy |