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The McDonnell Miller eighteen float, model number 21-30, is a replacement float designed to provide precise liquid level control in various applications. This float is designed for use in heating and cooling systems, ensuring compatibility with original equipment. It is constructed to ensure reliable performance.
The McDonnell Miller float is essential for maintaining the proper function of your HVAC systems. Designed specifically for models requiring part number 21-30, it replaces the existing float to ensure optimal operation.
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