Connection Size 3/4"
Maximum Water Pressure 160 PSI
Maximum Water Temperature 250 F
24V
Control Reset Manual
NEMA 1
Ohms Sensitivity 15,000 ohm
Burner Delay 15 Second
Features
Low Maintenance No moving parts
More Prope Plate Space
Automatic Reset Shuts down the burner when water drops below probe.
Manual Reset Shuts down the burner when water drops below the probe for 2 seconds.
Test Button Tests the control operation without lowering water level.
Hydrolevel Safgard 500 24 volt low water cut off with a manual reset, burner circuit test button, and LED indicating lights for hot water boilers. This LWCO interrupts power immediately in a low water condition. The burner circuit locks-out if water remains below probe for 30 seconds. Its manual reset will not trip due to power failures. Test button checks burner circuit to ensure proper control operation and lock-out function without lowering the water level. This LWCO can also be used as a secondary cut-off on steam boilers.