HAMWORTHY HEATING LTD SPETISBURY 500001118/CivFigure 11.2 Electrode Spark Gap Details .................................................................................................... 21Figure 12.1 Status Display Lockout Codes .................................................................................................. 23Figure 12.2 Fault Finding Flowchart ............................................................................................................ 24Figure 14.1 Exploded View of Boiler ........................................................................................................... 26Figure 14.2 Exploded View of Burner.......................................................................................................... 28Figure 15.1 Boiler Installation Typical ....................................................................................................... 30Figure 15.2 Dimensions and Clearances .................................................................................................. 31Figure 15.3 Burner Clearances................................................................................................................... 31Figure 15.4 Stacked Boiler Dimension ........................................................................................................ 32Figure 15.5 Burner Mounting Plates Dimensions SP 110, 150 & 220............................................................ 33Figure 15.6 SP 280 & SP 340 Burner Mounting Details ............................................................................... 33Figure 15.7 Performance and General Data Information (Natural Gas) ................................................... 34Figure 3.1 Water Flow Rates and Pressure Drops ................................................................................. 35Figure 11.1 Target Appliance Readings ...................................................................................................... 35Figure 14.3 Exploded View Return Sensor Pocket Assembly ....................................................................... 35