Component Replacement Instructions
Figure 10
black / orange
orange / orange
Figure 9
WARNING
Failure to correctly assemble the components according to these instructions
could result in a gas leak or explosion.
12. Pull out the gas control assembly. Remove the
wire harness from the 2 solenoids.
13. Install the gas valve and attach the wire harness
to the 2 solenoids. (Figure 9)
14. Install the gas connection with 3 screws.
15. Replace the circular gasket (included in kit) in the
gas valve. (Figure 10)
16. Start the 2 screws that attach the gas manifold to
the gas valve. Tighten the 5 screws that hold the
gas manifold to the combustion chamber. Finish
tightening the 2 screws that hold the gas manifold
to the gas valve.
17. Attach ignition line.
18. On indoor models, install the bracket with the
controller.
19. Perform the Gas Pressure Setting Procedure.
Gasket
Gas Control Assembly
On-Demand Gas Tankless Water Heater Service Manual
23
705e/o (ASME),
705i (ASME)