McDonnell & Miller 354083 PA-RB-122 Self-Cleaning Short Probe for RB-122 Low Water Cut-Off

The McDonnell & Miller 354083 (Model PA-RB-122) is a replacement short probe designed for use with RB-122 series low water cut-off controls on hot water boilers. This probe features a patented self-cleaning tip that minimizes maintenance requirements and ensures reliable performance in demanding boiler applications.

Key Features:

• 3/4" NPT threaded connection for easy installation
• Self-cleaning probe tip reduces maintenance frequency
• Short probe design fits standard tee fittings
• Compatible with multiple McDonnell & Miller control models
• Designed for hot water boiler applications
• Maximum water temperature: 250°F
• Maximum water pressure: 160 PSI

Compatible Models: RB-122, RB-120, RS-1-LP-S, PS-851-SP-120, PS-852-SP-24, PS-851-M-SP-120, PS-852-M series low water cut-off controls. This probe replaces the earlier PA-RB-120 model.

McDonnell & Miller, a Xylem brand, has been a leader in boiler control technology since 1924, manufacturing reliable low water cut-offs, liquid level controls, and safety devices for commercial and residential heating systems.