McDonnell & Miller 176206 750-T-120 GuardDog Electronic Reset LWCO for Hot Water & Steam Boilers Automatic

Product Description

The McDonnell & Miller 750-T-120 is an electronic low water cut-off control unit. This device is designed for use in hot water boilers, as well as providing secondary protection in steam boilers. It operates at one hundred twenty volts and features an automatic reset function.

• Green LED indicates power is on
• Red LED signals low water condition
• Test button included for functionality checks

Product Highlights

This LWCO unit ensures boiler safety by monitoring water levels. When low water is detected, it prevents the burner from firing until water levels are safe. It meets the ASME Standard CSD-1 requirements.

Product Information

Standard Information

• Brand: McDonnell & Miller
• Model: 750-T-120

Technical Specifications

• MPN: 176206
• Application: Hot Water Boilers, Steam Boilers
• Connection Size: 3/4 inch
• Control Connection: NPT
• Max Water Pressure: 160 psi, 250 psi
• Max Water Temp: 250°F, 406°F
• Max Ambient Temp: 135°F
• Max Steam Pressure: 15 psi, 250 psi
• Ohms Sensitivity: 20,000 ohm
• Enclosure: NEMA 1
• Installation Method: Direct to Boiler Tappings
• Weight: 2.00 lb