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FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on the weight per item. If you can't find a part you are looking for, call or text us at 970-518-3085!
FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on the weight per item. If you can't find a part you are looking for, call or text us at 970-518-3085!

3 Quart Expansion Bottle With Fluid Level Sensor - MSE-063-200

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Original price $97.62 - Original price $97.62
Original price $97.62
$111.20
$111.20 - $111.20
Current price $111.20

The 3 Quart Expansion Bottle With Fluid Level Sensor is a direct replacement used in Aqua-Hot 250 Series hydronic heating systems to maintain proper coolant levels and monitor antifreeze fluid status. This assembly serves as both an expansion reservoir and a safety monitoring point for system operation.

Important Information
  • Integrated Fluid Level Sensor – Includes a built-in sensor that detects low antifreeze levels and alerts the system or dash indicator.
  • Maintains Proper System Pressure – Allows for expansion and contraction of heated antifreeze, preventing overpressure or fluid loss..
  • Genuine OEM Replacement – Designed for perfect compatibility and optimal performance in Aqua-Hot heating systems.

Compatible Models

Aqua-Hot
AHE-125-DN1 AHE-125-DN2 AHE-125-GN1 AHE-250-D01 AHE-250-D02
AHE-250-D03 AHE-250-P01
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