Description
The Xylem McDonnell & Miller 341500 (Model SA47-4) is a Large Bellows Assembly designed as a direct OEM replacement component for the McDonnell & Miller 47 Series float-type low-water cutoffs and pump controllers. Keeping your 47 Series controls operating at peak performance is critical to boiler safety, and this genuine replacement bellows assembly ensures a precise, reliable fit every time.
Product Overview
The 47 Series is one of the most trusted lines of low-water cutoffs in the hydronic and steam heating industry. Over time, the internal bellows assembly can wear or develop leaks, compromising the control’s ability to accurately sense water level and protect the boiler from low-water conditions. The SA47-4 Large Bellows Assembly restores the integrity of the control without requiring full unit replacement, saving time and cost on service calls.
Key Features
- OEM-specified large bellows assembly for McDonnell & Miller 47 Series low-water cutoffs
- Direct drop-in replacement — no modifications required
- Restores accurate water-level sensing and boiler protection
- Manufactured to Xylem/McDonnell & Miller quality standards
- Compatible with 47 Series float-type low-water cutoffs and pump controllers
- Extends the service life of existing 47 Series controls
Application
- Steam and hot water boiler systems using McDonnell & Miller 47 Series controls
- Commercial and residential hydronic heating applications
- Preventive maintenance and field service repairs
Specifications
- SKU: 341500
- Model Number: SA47-4
- Component Type: Large Bellows Assembly
- Compatible Series: McDonnell & Miller 47 Series
- Brand: Xylem / McDonnell & Miller
Trust Xylem McDonnell & Miller’s legacy of boiler safety innovation. The 341500 SA47-4 Large Bellows Assembly is the correct OEM part to keep your 47 Series low-water cutoff functioning reliably and safely for years to come.
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