19
Module Replacement
Tools Required:
Phillips Screwdriver and Flat Head Screwdriver.
1. Follow the Preparing for Service instructions. (Page 11)
2. Remove the fill cap by turning it clockwise.
3. Remove the top cover assembly by gently pushing the tabs on both sides until they snap in place. (Figure 14)
4. Disconnect the tranducer(s), and lift out the water reservoir.
5. Remove the access cover by removing the screw and disconnect the wires from the terminal block. Disconnect the
wires from the cable clamp by removing the 2 securing screws. (Figure 18)
6. Disconnect all wire harnesses from the module. Note the placement of the connections for the installation of the new
module.
7. Disconnect the piping from the solenoid valve by pushing the white tab in and pulling the tube out simultaneously.
8. Remove the two screws at the base of the firebox. (Figure 15)
9. Push the unit down and back to release it from the inside bracket in the box.
10. Lift the module up and out.
11. Lock the new module in place by pushing it towards the front the firebox, and secure it underneath the bracket.
12. Secure the module with the previously removed screws from the base of the firebox.
13. Re-connect all wires and plumbing fittings.
14. Put the water reservoir, transducer(s), top cover assembly and fill cap back in place.
Replacement Part Procedures
Figure 14
Figure 15
Screw Placement
Access Cover
Top
Cover
Fill
Cap
Top Cover Tab
