34 English 5.906-487.0 Rev. 00 (04/10) Remove the screw and pull the ventilator wheeloff.1 Screw2 Ventilator wheel, burner blower Remove the screws and take off the safety block.1 Safety block2 Screws1 Fastener, reed switch2 Reed switch3 Connection to the pump head4 Safety valveNoteWhen installing the reed switch, make sure that themark on the reed switch is flush with the top edge ofthe safety block.1 Reed switch2 Safety valve1 Connection of high pressure line to the on-de-mand heater2 Safety valve3 Output, safety valve4 Connection to the pump head5.11.7Remove the ventilator wheel of the burnerblower5.11.8Remove the safety block5.11.9Safety block, front view5.11.10Safety block, rear view
