Rinnai M Series Installation And Operation Manual page 105

1. Confirm that the inlet gas pressure is
between the minimum and maximum
pressures allowed for this boiler.
2. Disconnect electrical power to the boiler.
3. Turn off the boiler's gas supply by turning
off the gas control valve.
4. Remove the boiler's front panel. For
details, see sections "3.7 How to Remove
the Front Panel".
5. Remove the air supply damper:
•
Unclip the Velcro piece
•
Lift up the air supply damper to
remove and gently place aside
6. Unscrew the gas valve and gas venturi
connections.
Rinnai M-Series Condensing Boiler Solo Manual
7. Remove the gas line and place aside.
Gas line
Air supply
damper
8. Pull out the yellow gasket from the gas
venturi.
Gas line removed
105