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_Marc's avatar
_Marc
Explorer
Sep 26, 2021

Aqua Hot 450D troubleshooting cool air zone 2 (front)

Allegro Bus 45LP 2014 Aqua hot 450D Aqua Hot cool air zone 2 (front) 1- All light are green 2- Plastic container at right level of anti-freeze when hot or cold. 3- Tap the check valve 4- Pu...
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MountainAir05's avatar
MountainAir05
Explorer II
Sep 26, 2021
#3 that you are tapping is the check valve cold right, if so rap it harder, they can get stuck. Post back.

I assume that you took the cover off to tap the valve while the unit is running.

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