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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! Holiday Notice: Please be advised that we will be closed for the holidays on December 24–26, 2025, and December 31, 2025 through January 2, 2026.
FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on weight per item. If you can't find a part you are looking for, call or text us at 970-518-3085! Holiday Notice: Please be advised that we will be closed for the holidays on December 24–26, 2025, and December 31, 2025 through January 2, 2026.
3 Quart Expansion Bottle With Sensor Kit - MSE-200-OFB

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

by Aqua-Hot
Save 10% Save 10%
$123.56
$123.56 - $123.56
$123.56
$111.20
$111.20 - $111.20
$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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