Description
The Xylem-McDonnell & Miller 101A (Part Number 169400) is a 120VAC electric water feeder engineered specifically for low pressure steam boiler systems. Designed to automatically maintain the proper water level in a steam boiler, this cold water feed unit protects your boiler from low-water conditions that can lead to costly damage or system failure.
Built to the exacting standards that McDonnell & Miller is known for, the 101A delivers reliable, automatic water make-up whenever the boiler water level drops below the set point — keeping your steam system operating safely and efficiently.
Key Features
- 120VAC electric operation for easy integration into standard boiler control circuits
- Cold water feed design for low pressure steam boiler applications
- Maximum water supply pressure: 150 PSI
- Maximum boiler operating pressure: 25 PSI
- Automatic water make-up to maintain safe boiler water levels
- Helps prevent boiler damage caused by low-water conditions
- Trusted McDonnell & Miller quality and engineering
Specifications
- Part Number: 169400
- SKU: 101A
- Voltage: 120VAC
- Application: Low pressure steam boilers with cold water feed
- Maximum Water Supply Pressure: 150 PSI
- Maximum Boiler Pressure: 25 PSI
- Brand: Xylem-McDonnell & Miller
Application
The 101A is ideal for residential and light commercial steam heating systems where maintaining proper boiler water level is critical. It works seamlessly with low pressure steam boilers, automatically feeding cold water to the boiler when needed and helping extend equipment life while reducing the risk of dry-fire damage.







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