McDonnell & Miller 142400 Model 63 Mechanical Low Water Cut-Off
McDonnell & Miller 142400 Model 63 Mechanical Low Water Cut-Off
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Apply for Trade Account & Terms →| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 142400 |
| Model Designation | 63 |
Protect your boiler system from dry-firing damage with the reliable 142400 mechanical low water cut-off from McDonnell & Miller. Designed specifically for the Model 63 series, this component provides essential automatic burner shut-off when boiler water levels drop below a critical threshold, preventing potential overheating and system failure.
The mechanism utilizes a high-sensitivity float switch assembly that responds precisely to water level fluctuations within the boiler. When the water drops, the float triggers the switch to interrupt the burner circuit, maintaining system integrity through proven mechanical logic that has been a standard in the industry for decades.
Key System Performance Baselines:
- Automatic Safety Shut-off: Reliably cuts power to the burner during low-water events.
- Heavy-Duty Construction: Engineered to withstand the rigors of commercial and residential hydronic heating environments.
- Precision Float Design: Ensures consistent response times and long-term operational durability.
- Easy Maintenance: Simplified design allows for efficient inspection and replacement.
⚠️ Application Profile: Recommended for use in hot water heating boilers to prevent dry firing, improve system longevity, and comply with standard safety codes for hydronic installations.
