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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 Qt. Overflow Bottle - PLE-070-401

3 Qt. Overflow Bottle - PLE-070-401

by Aqua-Hot
Sold out
$97.62
$97.62 - $97.62
$97.62
$87.86
$87.86 - $87.86
$87.86

The 3-quart overflow bottle is a direct replacement part designed for use in Aqua-Hot hydronic heating systems. This component serves as an expansion reservoir, accommodating coolant overflow and maintaining optimal pressure within the system. The bottle features a 5/8-inch barb fitting for secure hose attachment and includes a decal indicating proper coolant levels.

Important Information
  • Proper Coolant Level – This overflow bottle collects excess coolant that expands and overflows from the heating system during operation, ensuring proper coolant levels and preventing air from entering the system.
  • Genuine OEM Replacement – Designed for perfect compatibility and optimal performance in Aqua-Hot heating systems.

Compatible Models

Aqua-Hot
AHE-400-D01 AHE-400-D02 AHE-400-P01 AHE-400-P02 AHE-450-DE2
AHE-450-DW3 AHE-450-DE4 AHE-450-DE5 AHE-450-DT1

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