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4 Installation ProcedureFigure 4/Db) Ensure that the two outermost compression coupling nuts on the pipingframe are slackened but in position with their olives aligned.c) Lift the boiler in a vertical attitude (two persons will be needed for thistask) and offer the boiler against the wall mounting frame entering the two22 mm vertical flow and return pipes into the compression couplings onthe piping frame before lowering the boiler onto the two supporting lugsat the top of the wall support frame.25
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