Description
Product Overview
The Xylem-McDonnell & Miller 334100 is an OEM replacement float and gasket assembly (Model Number 421-30) designed specifically for use with McDonnell & Miller 25A and 27 Series low-water cutoff and pump control devices. This genuine replacement kit ensures your boiler’s low-water cutoff continues to operate with the precision and reliability that McDonnell & Miller equipment is known for.
Key Features
- OEM replacement float and gasket assembly for McDonnell & Miller 25A and 27 Series low-water cutoffs
- Model Number 421-30 — direct factory-spec replacement
- Maintains proper water level sensing accuracy in steam and hot water boiler applications
- Gasket provides a reliable, leak-free seal upon reinstallation
- Genuine Xylem-McDonnell & Miller part for assured compatibility and performance
- Simplifies routine maintenance and service of low-water cutoff controls
Applications
- Replacement float and gasket for McDonnell & Miller Series 25A low-water cutoffs
- Replacement float and gasket for McDonnell & Miller Series 27 low-water cutoffs
- Suitable for steam boiler and hot water boiler low-water protection systems
- Ideal for scheduled maintenance, annual boiler service, and field repairs
Why Choose Genuine OEM Replacement Parts?
Using factory-authorized replacement components like the McDonnell & Miller 334100 float and gasket ensures your low-water cutoff device continues to meet its original design specifications. Aftermarket floats can introduce dimensional variances that affect water level sensing accuracy — a critical safety function on any boiler. Protect your equipment and your customers with the correct OEM part.
Part Information
- SKU: 334100
- Model Number: 421-30
- Brand: Xylem-McDonnell & Miller
- Compatible Series: 25A and 27
- Component Type: Float and Gasket Assembly
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