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Hydrolevel Safgard 500 is a 24V commercial-grade low water cut-off (LWCO) for hot water gas boilers w/ manual reset and test button. Immediately interrupts power in a low water condition, locks out burner circuit if water remains below probe level for longer than 30 seconds. Manual reset will not trip due to power failures. Test button simulates low water condition and allows for checking control without lowering the water level in a system.
Technical Specifications:
Features:
Technical Specifications:
- System Type: Gas Hot Water or Steam (as Secondary) Boilers
- Reset: Manual
- Connection: 3/4" NPT
- Electrical Specs: 24V, 60 Hz, 2 VA (Power Consumption); SPDT (Relay Type), NEMA 1 Enclosure
- Switching Capacity: 50 VA
- Max Pressure: 160 psi
Features:
- Meets ASME CSD-1 requirements for commercial applications
- Separate Test button for easy diagnostics without lowering the water level or removing the probe
- Separate Manual Reset button with nuisance lock-out protection (will not trip due to power failures)
- LED indicators for power and low water
- Suitable for use as a secondary control on residential and light commercial steam boilers
- Low maintenance - no blowdown or moving parts
- Multiple wiring options
- Contacts for optional low water alarm