🔧 Hydrolevel 45-500 LWCO – 24V Manual Reset with Test Button & LED Indicator

🧭 Product Overview

The Hydrolevel 45-500 Safgard Low Water Cut-Off (LWCO) is a 24V safety control designed for hot water boilers. It provides precise monitoring of water levels and ensures safe operation by shutting down the burner in low water conditions.

Equipped with manual reset, test button, and LED indicating lights, this LWCO gives operators maximum control and confidence. Its robust design with no moving parts ensures long life and low maintenance. It can also serve as a secondary cut-off for steam boilers.

The LWCO includes the EL1214 probe and features a burner delay, allowing the burner to respond properly while avoiding false trips.

✅ Key Features

• ✅ Low Maintenance – no moving parts

• ✅ Manual Reset – shuts down burner when water drops below the probe for 2 seconds

• ✅ Automatic Reset – interrupts burner power when water drops below probe

• ✅ Test Button – checks control operation without lowering water level

• ✅ LED Indicator Lights – shows control status and lockout

• ✅ Burner Delay – 15-second delay prevents nuisance trips

• ✅ NEMA 1 enclosure for standard installation environments

• ✅ More probe plate space for easier wiring and setup

• ✅ Includes EL1214 probe for immediate installation

📊 Technical Specifications

⚠️ Common Symptoms / When to Replace

• Burner fails to start or shuts off unexpectedly

• LED indicator shows low water condition but water level is normal

• Manual reset trips frequently

• Water level sensor/probe is corroded or damaged

• Nuisance trips due to false readings or probe scaling

❓ Frequently Asked Questions (FAQ)

Q: What is the purpose of a Low Water Cut-Off?

• It protects the boiler by shutting off the burner if water drops below safe levels, preventing dry firing and potential damage.

Q: What does the manual reset do?

• The manual reset ensures the burner cannot restart automatically after a low water condition, giving the operator control.

Q: How does the test button work?

• Pressing the test button simulates a low water condition without actually lowering water, allowing you to verify proper LWCO operation.

Q: Can this LWCO be used on steam boilers?

• ✅ Yes, it can serve as a secondary cut-off on steam boiler systems.

Q: How long is the burner delay?

• The burner delay is 15 seconds, preventing false trips during normal water fluctuations.

💡 Shopping Tips

• Confirm boiler compatibility before purchasing

• Ensure proper probe placement in the water column for accurate sensing

• Test the LWCO after installation to verify operation and LED indicators

• Consider as a primary or secondary safety control depending on your boiler system