Using the counter hold wrench to hold the fitting in place and the water hose fitting wrench to loosen
6.
the water hose (both wrenches included with your original MCS unit), disconnect the In and Out
water hoses from the bottom heat exchanger unit.
Remove the magnetic solenoid valve
7.
Using an 8 mm Allen wrench, remove the four socket screws securing the cover of the magnetic
8.
valve.
("Removing the magnetic solenoid
Technician repair removal and replacement procedures 119
valve" on page 82).