ITT McDonnell & Miller 61-HD Low Water Cut-Off 205210

ITT McDonnell & Miller 61-HD Low Water Cut-Off 205210

The ITT McDonnell & Miller 61-HD Low Water Cut-Off (model number 205210) is a mechanical device designed to ensure the safe operation of residential and commercial low-pressure steam boilers. By monitoring water levels, it prevents boiler damage due to low water conditions.

Key Features

• Versatile Application: Suitable for boilers of any steaming capacity in both residential and commercial settings.
• Adjustable BX Outlet: Facilitates easy installation and adaptability to various boiler configurations.
• Dual Precision Switches: Provides reliable operation for both low water cut-off and alarm or electric water feeder functions.
• Packless Bellows: Enhances durability and reduces maintenance needs.
• Connection Requirements: Requires 1″ NPT equalizing pipes and a blow-down valve for proper operation.
• Pressure Rating: Designed to handle a maximum steam pressure of 20 psi (1.4 kg/cm²).

Electrical Specifications

• Voltage Compatibility: Operates with 120V or 240V power supply.
• Current Ratings: At 120V AC, it supports a full load of 7.4 amps and a locked rotor current of 44.4 amps; at 240V AC, it supports a full load of 3.7 amps and a locked rotor current of 22.2 amps.
• Pilot Duty Rating: 125 VA at 120/240V AC.

Physical Dimensions

• Height: 6.5 inches
• Width: 5.125 inches
• Length: 9.9375 inches
• Weight: Approximately 13.5 lbs

The 61-HD model is engineered to provide dependable low water cut-off protection, ensuring the longevity and safe operation of steam boilers. Its robust construction and precise engineering make it a reliable choice for boiler safety management.