McDonnell & Miller 149400 67 Low Water Cut-Off with Quick Hookup

Description

The McDonnell & Miller 149400 67 Low Water Cut-Off with Quick Hookup is a crucial safety device for steam boilers, protecting against the dangers of low water conditions. Here’s a quick breakdown of its key features and benefits:

Function:

• Automatically shuts down the boiler burner if the water level falls below a safe threshold, preventing overheating and potential explosions.

Operating Principle:

• Float-activated: A float inside the boiler rises and falls with the water level, triggering a switch when it drops too low.
• Dual 120-volt switches: One for low water cut-off (boiler shutdown) and one for alarm or electric water feeder (optional).
• Maximum pressure of 20 psi: Suitable for residential and commercial low-pressure steam boiler applications.

Quick Hookup Feature:

• Connects directly into gauge glass tappings (1/2″ NPT): Allows for fast and easy installation without complex piping modifications.
• Minimizes downtime and saves labor costs: Quick and straightforward setup compared to traditional installations.

Additional Features:

• Lever-operated blow down valve: Facilitates draining of the boiler for maintenance or repairs.
• Adjustable BX outlet: Adapts to various boiler configurations and installation requirements.
• Large float chamber: Ensures accurate and reliable water level detection.

Benefits:

• Enhanced safety: Protects your boiler from low water hazards and potential explosions.
• Reliable performance: Proven design and robust construction ensure years of dependable service.
• Ease of installation: Quick hookup feature simplifies setup and minimizes downtime.
• Versatility: Adapts to different boiler configurations and pressure ratings.
• Peace of mind: Provides continuous monitoring and automatic response to water level changes.

Things to consider:

• Compatibility: Ensure the model matches your boiler’s pressure rating and installation requirements.
• Maintenance: Regular inspection and testing are necessary to ensure the LWCO is working correctly.

Overall, the McDonnell & Miller 149400 67 Low Water Cut-Off with Quick Hookup is a valuable safety device for your steam boiler. Its reliable performance, ease of installation, and additional features make it a popular choice for protecting your boiler and ensuring safe operation.