HP 403349-003 - Manual (Page 83)

Removal and replacement procedures 83
2. Remove the bottom fan unit (" Removing the bottom fan unit " on page 44 ).
3. Remove the air deflector plate (" Removing the air deflector plate " on page 33 ).
4. Adjust the water hoses connected to the rear of the bottom heat exchanger unit and hold them out of
the way to reach the magnetic solenoid on the valve. This process can be difficult. If you struggle
excessively, disconnect the In and Out water hoses on the back of the bottom heat exchanger unit
using the counter hold wrench and the water hose fitting wrench.
5. On the magnetic solenoid valve, release the silver retainer tab (1), and remove the magnetic
solenoid from the valve post (2).
6. Using a Phillips screwdriver, remove the Phillips screw securing the electrical connector to the
magnetic solenoid.
To replace the component, see "Replacing the magnetic solenoid valve (on page 84 )."