Skip to content
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! CLOSURE MONDAY, MAY 26 (MEMORIAL DAY). ORDERS PLACED DURING THIS TIME WILL BE PROCESSED ON TUESDAY, MAY 27. We honor and remember those who served. Thank you for your understanding and continued support.
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!
Century Boiler Antifreeze - 100 Transfer Fluid 1qt Pink - MSX-300-275

Century Boiler Antifreeze - 100 Transfer Fluid 1qt Pink - MSX-300-275

by Aqua-Hot
Save 29% Save 29%
$55.99
$55.99 - $55.99
$55.99
$39.93
$39.93 - $39.93
$39.93

The Century Boiler Antifreeze 100 Transfer Fluid is a propylene glycol-based antifreeze specifically formulated for use in Aqua-Hot & Hydro-Hot hydronic heating systems. This 1-quart pink concentrate is designed to provide efficient heat transfer and freeze protection, ensuring optimal performance of your RV's heating system.

Important Information
  • Dilution Required – This concentrate must be mixed with deionized or distilled water before use.
  • Propylene Glycol-Based – Ensures safe and effective heat transfer with low toxicity.
  • Maintenance Recommendation: Regularly check the antifreeze concentration and system levels to ensure optimal performance and protection.
  • Genuine OEM Replacement – Designed for perfect compatibility and optimal performance in Aqua-Hot, Hydro-Hot & Webasto heating systems.
WARNING: DO NOT MIX COLORS OR BRANDS - MAY CAUSE FASTER SLUDGE BUILD UP!

Compatible Models

Aqua-Hot
AHE-100-00S AHE-100-01S AHE-100-02S AHE-100-03S AHE-100-04S
AHE-101-000 AHE-120-03X AHE-120-04X AHE-125-DN1 AHE-125-DN2
AHE-125-D01 AHE-125-D02 AHE-125-GN1 AHE-125-G01 AHE-125-G02
AHE-130-03X AHE-130-04X AHE-200-02S AHE-250-D01 AHE-250-D02
AHE-250-D03 AHE-250-P01 AHE-375-D01 AHE-375-D02 AHE-375-D03
AHE-375-P01 AHE-375-P02 AHE-400-D01 AHE-400-D02 AHE-400-P01
AHE-400-P02 AHE-450-DE1 AHE-450-DE2 AHE-450-DW3 AHE-450-DE4
AHE-450-DE5 AHE-450-DM1 AHE-450-DT1 AHE-525-D01 AHE-525-D02
AHE-600-D01 AHE-600-D02 AHE-600-D03 AHE-600-D04 AHE-675-D01
AHE-675-D02 AHE-675-D03 AHE-675-D04 AHE-920-431 431/11
431/11B 431/12
Hydro-Hot
HHE-200-01E HHE-200-02E HHE-200-03E HHE-200-04E HHE-200-05E
HHE-500-01M HHE-500-02M HHE-500-03M HHE-500-04M HHE-500-05M
HHE-200-06E HHE-200-07E HHE-200-08E HHE-200-09E 2001-E
HHE-500-06M HHE-500-07M HHE-500-08M HHE-500-09M HHE-102-0EE
 More payment options

Compare products

0 of 3 items selected

Select first item to compare

Select second item to compare

Select third item to compare

Compare