Description
McDonnell & Miller 143600 64 – Float-Type Low Water Cut-Off for Steam & Hot Water Boilers
Durable Water Level Protection for Residential, Commercial, and Industrial Boilers
The McDonnell & Miller 64 Low Water Cut-Off offers rugged, dependable performance for boilers of any steaming capacity. Designed with heavy-duty construction and dual precision switches, this float-style device ensures accurate water level control and reliable safety shutdowns. Its packless bellows design reduces maintenance, while the adjustable BX outlet allows for straightforward installation.
Key Features:
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Ideal for residential, commercial, and industrial boiler applications
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Heavy-duty float-style design for long-lasting durability
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Dual precision switches provide dependable cutoff and alarm or electric water feeder control
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Packless bellows enhances reliability and prevents leaks
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Adjustable BX outlet for easier installation and setup
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Requires 1" NPT equalizing pipes for proper operation
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Compatible with TC-4 blow down valve for hot water boiler systems
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Supports boiler pressure up to 50 PSI (3.5 kg/cm²)
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Optional manual reset available for enhanced control
Specifications
| Attribute | Details |
|---|---|
| Part Number | 143600 64 |
| Application | Steam Boilers, Hot Water Boilers |
| Type | Float-Style Low Water Cut-Off |
| Max Pressure (PSI) | 50 PSI (3.5 kg/cm²) |
| Reset Type | Automatic (Optional Manual) |
| Connection Type | Threaded |
| Thread Size | 1" NPT |
| Switch | Dual Precision Switches |
| Electrical Ratings (ALR) | 44.4 A @ 120 VAC, 22.2 A @ 240 VAC |
| Electrical Ratings (AFL) | 7.4 A @ 120 VAC, 3.7 A @ 240 VAC |
| Pilot Duty Rating | 125 VA |
