Description
McDonnell & Miller 143100 63M – Manual Reset Float-Type Low Water Cut-Off for Steam & Hot Water Boilers
Reliable Manual Water Level Safety Control for Boilers up to 50 PSI
The McDonnell & Miller 63M Low Water Cut-Off is a robust, float-operated safety device designed for steam and hot water boilers with pressures up to 50 PSI. Featuring a manual reset mechanism, this unit provides precise water level monitoring to protect your boiler from low water conditions. It’s built for long-term reliability and easy maintenance in residential, commercial, and light industrial settings.
Key Features:
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Float-type design with manual reset for added safety control
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Suitable for steam and hot water boilers operating up to 50 PSI (3.5 bar)
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1" NPT threaded connection ensures secure and straightforward installation
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Heavy-duty construction for dependable, long-lasting service
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Ideal for boilers in residential, commercial, and light industrial applications
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Helps prevent costly boiler damage caused by low water levels
Specifications
| Attribute | Details |
|---|---|
| Part Number | 143100 63M |
| Type | Float-Type Low Water Cut-Off |
| Reset Type | Manual Reset |
| Max Pressure (PSI) | 50 PSI (3.5 bar) |
| Connection Size | 1" NPT |
| Application | Steam Boilers, Hot Water Boilers |