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FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on the weight per order. Can’t find the part you’re looking for? Walk in, call, or text us at 970-518-3085! We’re happy to help! We will be closed Monday, September 7, in observance of Labor Day. All orders will be shipped on Tuesday, September 8.
FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on the weight per order. Can’t find the part you’re looking for? Walk in, call, or text us at 970-518-3085! We’re happy to help! We will be closed Monday, September 7, in observance of Labor Day. All orders will be shipped on Tuesday, September 8.

3 Quart Expansion Bottle With Sensor Kit - MSE-200-OFB

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Original price $123.56
Original price $123.56 - Original price $123.56
Original price $123.56
Current price $111.20
$111.20 - $111.20
Current price $111.20

The 3 Quart Expansion Bottle With Sensor Kit are direct replacement parts used in Aqua-Hot hydronic heating systems to monitor antifreeze fluid levels. This kit includes a pre-installed low-fluid sensor and is designed for easy integration into your heating system.

Important Information
  • Pre-Assembled Kit – Comes with the bottle, cap, sensor, and necessary fittings for simplified installation.
  • Integrated Fluid Monitoring – Includes a built-in sensor that detects low antifreeze levels and signals the system or dash indicator.
  • Genuine OEM Replacement – Designed for perfect compatibility and optimal performance in Aqua-Hot heating systems.

Compatible Models

Aqua-Hot
AHE-250-D01 AHE-250-D02 AHE-250-D03 AHE-250-P01

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