INSTALLATION AND OPERATION INSTRUCTIONS
3-8
SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS
7. Ensure that the lid (orange) gasket is in place and level.
8. Carefully insert the lid-burner assembly straight down. Ensure that there is limited
contact between the burner and refractory, and observe the alignment markings.
9. Swing up the lid fasteners, ensuring the nuts and the washers are above the
lid. Evenly tighten the nuts in a cross pattern, and ensure that the lid is securely
tightened. Test for leaks around the gasket seal to ensure there are no ue gas leaks.
10. Re-install the igniter, tightening its screws by hand plus an extra 1/2 a turn.
11. Re-attach the igniter wire to the igniter.
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