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(4) How to detach combination valve and gas conduit
➀ Remove the screw (1) for the attachment plate of the combination valve in back of the main unit.
➁ Detach the 2 connectors (CN11 for proportional valve and CN08 for solenoid valve).
➂ Remove the screws (2) attaching the gas conduit in front of the combustion chamber, and take off the
combination valve with gas conduit.
(5) How to detach combination valve
➀ Remove the attachment screws, and dismantle as shown below.
➂
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