Heating and Cooling Thermostats, Housings and Fillers

AQUA HOT

HEAT EXCHANGER, (2) 1/2" FNPT (2) 1

$339.22

SKU: A0EC PLX-102-100

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The 13 PSI radiator cap is a direct replacement part designed for use with Aqua-Hot & Hydro-Hot hydronic heating systems. This cap maintains the appropriate pressure within the coolant reservoir, ensuring efficient system operation and preventing coolant loss. The integrated safety lever allows for safe pressure release before removal, enhancing user safety during maintenance.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandAQUA HOT
Part NumberA0EC PLX-102-100

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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