: Solenoid valve 3/2
– Turn the power switch to pos.0.
– Unplug the main power plug as well.
– Remove the connector (7).
– Unscrew the nut (1).
– Remove the coil (2) (only with the 2/2 valve).
– Unscrew counter-clockwise the hexagon screw on the plunger housing.
– Remove the plunger (5) (only with the 2/2 valve)
Caution Do not lose the spring (4)!
– With oxygen pressure or compressed air, clean the inside of the plunger housing(3), as
well as the plunger (5) and re-assemble the solenoid valve. With the furnace closed and
renewed oxygen pressure, check to ensure that the solenoid valve is sealed.