Description
The Xylem-McDonnell & Miller 310447 is a Model 14-B Blow Down Ball Valve engineered as a direct-fit replacement and maintenance accessory for McDonnell & Miller 47, 67, and 70B Series low-water cutoffs and pump controllers. Designed to simplify routine boiler blow-down procedures, this valve allows technicians to safely flush sediment and scale from the float chamber, helping maintain accurate water level sensing and extending the service life of the connected control.
Key Features
- Direct replacement blow-down ball valve for McDonnell & Miller 47, 67, and 70B Series controls
- Model 14-B design engineered for reliable, leak-free shut-off during blow-down operations
- Facilitates routine flushing of sediment and scale from the float chamber
- Helps maintain accurate water level sensing for safe boiler operation
- Manufactured by Xylem-McDonnell & Miller for assured OEM compatibility
- Durable construction suited for steam and hot water boiler applications
Compatible Series
- McDonnell & Miller 47 Series Low-Water Cutoffs
- McDonnell & Miller 67 Series Low-Water Cutoffs
- McDonnell & Miller 70B Series Low-Water Cutoffs & Pump Controllers
Product Details
- Brand: Xylem-McDonnell & Miller
- SKU: 310447
- Model Number: 14-B
- Product Type: Blow Down Ball Valve
Regular blow-down is essential to safe boiler operation. The McDonnell & Miller 310447 Model 14-B makes this maintenance task straightforward and dependable, ensuring your low-water cutoff controls continue to perform accurately season after season.







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