Pilot Orifice IID Hi Tension Wire Pilot Mounting and Tube Pilot IID Pilot Orifice MV Pilot Mounting Bracket Pilot MV Pilot Generator Burner Orifice Burner Combination Valve Thermal Fuse Ignition Control IID PC Board Transformer IID Unit Wiring Box Burner Tray w/Burners Poolstat Lock Box Cover Thermostat Knob PC Board Thermostat Control MV (Mechanical) Pressure Switch Pressure Switch Tube Assy Potentiometer Toggle Switch Knob Stop Door Assy U.G. Gasket Unitherm Governor U.G. Spring U.G. Cap Sensor Well Dial Plate Upper Jacket Control Panel Inlet/Outlet Flange Flange Gasket Heat Exchanger Assy Refractory Block Kit Drain Valve Baffle Kit Flue Collector Drafthood Indoor Jacket Top Temperature Sensor Stackless Top Outdoor High Limit 135F High Limit 140F Bypass Baffle Drafthood Indoor Jacket Top Stackless Top Outdoor Flue Collector Baffle Kit Heat Exchanger Assy Bypass Baffle U.G. Gasket U.G. Cap Unitherm Governor U.G. Spring Flange Gasket Inlet/Outlet Flange Refractory Block Kit Potentiometer Thermostat Control MV (Mechanical) Pressure Switch Pressure Switch Tube Assy PC Board Dial Plate Thermostat Knob Knob Stop Pilot Generator Pilot Orifice MV Pilot Mounting Bracket Pilot MV Pilot Orifice IID Pilot Mounting and Tube Hi Tension Wire Pilot IID Thermal Fuse Ignition Control IID Transformer IID Unit PC Board Wiring Box Poolstat Lock Box Cover Poolstat Lock Box Cover Burner Orifice Combination Valve Burner Tray w/Burners Burner U.G. Assy Toggle Switch Door Assy Upper Jacket Control Panel Sensor Well Temperature Sensor Drain Valve