Description
The McDonnell & Miller 63 142400 Low Water Cut-Off (LWCO) is a popular choice for protecting your steam or hot water boiler from the dangers of low water conditions. Here’s a breakdown of its key features and benefits:
Function:
- Automatically shuts down the boiler burner when the water level falls below a safe point, 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.
- Single mercury switch: Cuts off power to the burner on low water detection.
- Multiple pressure ratings: Available for systems with maximum pressures up to 50 psi.
Features:
- Heavy-duty construction: Durable cast iron body for long-lasting performance.
- Optional manual reset: Allows for restarting the boiler after addressing the low water condition.
- No. 2 switch included: Can be used for additional controls like alarm or electric water feeders.
- Tapped 1″ FIP connection: Simplifies connecting an equalizing pipe.
- Blow down valve required: Helps maintain the boiler by purging sediment buildup.
Benefits:
- Enhances safety: Protects your boiler from the critical hazards of low water operation.
- Reliable performance: Proven design and robust construction ensure years of dependable service.
- Versatility: Suitable for both steam and hot water boilers with various pressure ratings.
- Additional control options: The included No. 2 switch allows for flexible boiler management.
- Easy maintenance: Accessible blow down valve simplifies boiler system maintenance.
Things to consider:
- Compatibility: Choose the model with the appropriate pressure rating for your boiler.
- Installation: Proper installation by a qualified technician is crucial for safety and optimal function.
- Maintenance: Regular inspection and testing are necessary to ensure the LWCO is working correctly.
Overall, the McDonnell & Miller 63 142400 Low Water Cut-Off is a valuable safety device for your steam or hot water boiler. Its reliable performance, versatile options, and ease of maintenance make it a popular choice for protecting your boiler and ensuring safe operation.
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