Description
Product Overview
The McDonnell & Miller 64-A (Part Number 143700) is a dependable, mechanically operated low water cut off designed to protect both hot water and steam boilers from the dangers of low water conditions. Featuring an automatic reset mechanism and quick hook-up fittings, this unit simplifies installation and restores operation without manual intervention once safe water levels are re-established.
Key Features
- 1″ NPT connections for straightforward pipe integration
- 50 PSI maximum boiler pressure rating
- Automatic reset — no manual reset required after water level is restored
- Mechanical operation for reliable, electronics-free low water detection
- Compatible with both hot water and steam boiler systems
- Quick hook-up fittings included for fast, efficient installation
- Part Number: 143700
Application
The 64-A is engineered for residential and light commercial boiler systems where dependable low water protection is critical. Its mechanical design eliminates reliance on electrical sensing components, making it a robust choice for environments where simplicity and reliability are paramount. The auto reset function reduces maintenance demands, while the quick hook-up fittings minimize installation time.
Specifications
- Brand: McDonnell & Miller (Xylem)
- Model: 64-A
- Part Number: 143700
- Connection Size: 1″ NPT
- Maximum Boiler Pressure: 50 PSI
- Reset Type: Automatic
- Operation Type: Mechanical
- Compatible Systems: Hot Water Boilers, Steam Boilers
- Included: Quick Hook-Up Fittings
