Description
The Xylem-McDonnell & Miller 342500 is a factory-matched Valve and Strainer Assembly (Model SA51-101-102) engineered specifically for use with McDonnell & Miller 51 and 851 Series low-water cutoffs. This assembly ensures proper water flow management and system protection in hydronic heating applications, providing a reliable, code-compliant solution for boiler safety and maintenance.
Product Overview
Designed as a companion component to the industry-trusted 51 and 851 Series low-water cutoffs, the SA51-101-102 assembly combines a shutoff valve and strainer in a single, integrated unit. This pairing simplifies installation, reduces potential leak points, and helps maintain clean, unobstructed water flow to the low-water cutoff — a critical factor in accurate water level sensing and boiler protection.
Key Features
- Valve and strainer assembly designed for direct compatibility with McDonnell & Miller 51 and 851 Series low-water cutoffs
- Integrated strainer helps prevent debris from entering and fouling the low-water cutoff
- Simplifies installation with a matched, pre-engineered assembly
- Supports reliable low-water cutoff performance and boiler safety
- Manufactured by Xylem-McDonnell & Miller, a trusted name in hydronic and steam system controls
- Model Number: SA51-101-102
- SKU: 342500
Applications
- Hydronic and steam boiler systems utilizing McDonnell & Miller 51 or 851 Series low-water cutoffs
- Residential and light commercial boiler installations
- Replacement or upgrade of existing valve and strainer components on compatible systems
Why Choose the McDonnell & Miller SA51-101-102?
Using the manufacturer-matched valve and strainer assembly ensures optimal compatibility and performance with your 51 or 851 Series low-water cutoff. It eliminates guesswork during installation and helps maintain the integrity of your boiler’s safety system over the long term.







Reviews
There are no reviews yet.