Description
Xylem-McDonnell & Miller 344100 Tube Assembly for 67 Series
The Xylem-McDonnell & Miller 344100 is a genuine replacement tube assembly designed specifically for the 67 Series low water cutoff and pump control units (Model Number SA66-35). Engineered to OEM specifications, this tube assembly ensures your boiler’s low water cutoff operates with the precision and reliability your system demands.
Product Overview
McDonnell & Miller, a trusted Xylem brand, has been a leading name in hydronic and steam boiler controls for decades. The 344100 tube assembly is a direct replacement component, maintaining the performance integrity of your 67 Series control and helping to protect your boiler from dangerous low-water conditions.
Key Features
- Genuine OEM replacement tube assembly for 67 Series low water cutoff controls
- Model Number SA66-35 — direct drop-in compatibility
- Manufactured to Xylem-McDonnell & Miller quality standards
- Designed for reliable, long-term performance in hydronic and steam boiler applications
- Helps maintain proper boiler protection and system safety
- Easy installation for qualified HVAC and plumbing professionals
Application
- Compatible with McDonnell & Miller 67 Series low water cutoff and pump control units
- Suitable for residential and light commercial boiler systems
- Ideal for service, maintenance, and repair of existing 67 Series controls
Ordering Information
- SKU: 344100
- Model Number: SA66-35
- Brand: Xylem-McDonnell & Miller







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