Description
The Xylem-McDonnell & Miller G-3-SS is a 36-inch 316 stainless steel probe rod engineered for reliable water level detection in boiler and hydronic heating systems. Constructed from 316 grade stainless steel, this probe rod offers superior corrosion resistance and long-term durability in demanding steam and hot water boiler environments.
Product Overview
Designed as a direct replacement or upgrade probe rod for McDonnell & Miller low water cutoff and water level control assemblies, the G-3-SS ensures accurate, dependable sensing performance. The 316 stainless steel construction resists the corrosive effects of boiler water chemistry, scale, and high-temperature conditions — making it an ideal choice for commercial and industrial boiler applications where longevity and reliability are critical.
Key Features
- 36-inch probe rod length for deep-well and extended boiler vessel installations
- 316 grade stainless steel construction for superior corrosion and heat resistance
- Compatible with McDonnell & Miller low water cutoff and water level control assemblies
- Designed for steam and hot water boiler applications
- Direct OEM replacement part (Part Number 179157)
- Durable construction for long service life in harsh boiler water environments
Application
The G-3-SS probe rod is ideal for use in commercial and industrial boiler systems requiring extended probe length for accurate water level monitoring. It is a trusted component in low water cutoff controls, helping to protect boilers from dangerous low-water conditions.
Specifications
- Brand: Xylem-McDonnell & Miller
- Model: G-3-SS
- Part Number: 179157
- Probe Length: 36 inches
- Material: 316 Stainless Steel
- Application: Boiler water level sensing / low water cutoff systems







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