1 - Exhaust Grill (Note 1) 24670 Purex (PENTAIR) 471592 $20.35 Place Order 2 - Gasket, Exhaust Grill (Note 1) 55650 Purex (PENTAIR) 471701 $25.35 Place Order 3 - Top Cover Model 200 30150 Purex (PENTAIR) 471885 3 - Top Cover Model 250 30151 Purex (PENTAIR) 471692 $154.05 Place Order 3 - Top Cover Model 300 30152 Purex (PENTAIR) 471886 3 - Top Cover Model 400 30153 Purex (PENTAIR) 471591 $156.95 Place Order 4 - Exhaust Assembly Model 200 30686 Purex (PENTAIR) 472030 4 - Exhaust Assembly Model 250 30685 Purex (PENTAIR) 472040 4 - Exhaust Assembly Model 200 30686 Purex (PENTAIR) 472030 6 - Gasket, Blower (Note 1) 55752 Purex (PENTAIR) 471610 $27.45 Place Order 7 - Flue Collector Assembly Model 200 55753 Purex (PENTAIR) 472008 $1.70 Place Order 7 - Flue Collector Assembly Model 250 30161 Purex (PENTAIR) 472007 $94.50 Place Order 7 - Flue Collector Assembly Model 300 55755 Purex (PENTAIR) 472006 $104.60 Place Order 7A - Insulation Header (Note 1) 30164 Purex (PENTAIR) 472252 $2.90 Place Order 8 - Return Manifold Assembly (Notes 1 & 7) 26554 Purex (PENTAIR) 471991 $106.05 Place Order 9 - Bolt, Heat Exchanger (Notes 1 & 7) 26555 Purex (PENTAIR) 471622 $2.05 Place Order 10 - Washer, Heat Exchanger (Note 1) 11649 Purex (PENTAIR) 072184 $2.05 Place Order 11 - Fire Box Assembly Model 250 30169 Purex (PENTAIR) 471835 $437.10 Place Order 11 - Fire Box Assembly Model 300 55672 Purex (PENTAIR) 471922 $520.40 Place Order 11 - Fire Box Assembly Model 400 30171 Purex (PENTAIR) 471821 12 - Heat Exchanger Assembly, Model 200 (Note 7) 55674 Purex (PENTAIR) 471910 $2,365.55 Place Order 12 - Heat Exchanger Assembly, Model 250 (Note 7) 30705 Purex (PENTAIR) 471785 $2,481.60 Place Order 12 - Heat Exchanger Assembly, Model 300 (Note 7) 55676 Purex (PENTAIR) 471928 $2,632.95 Place Order 12 - Heat Exchanger Assembly, Model 400 (Note 7) 55768 Purex (PENTAIR) 471838 $1,465.30 Place Order 12 - Heat Exchanger Assembly, ASME Model 200 30708 Purex (PENTAIR) 470371 $2,076.60 Place Order 12 - Heat Exchanger Assembly, ASME Model 250 30177 Purex (PENTAIR) 470372 $2,169.60 Place Order 12 - Heat Exchanger Assembly, ASME Model 300 30710 Purex (PENTAIR) 470373 $2,224.50 Place Order 12 - Heat Exchanger Assembly, ASME Model 400 30711 Purex (PENTAIR) 470375 $2,597.95 Place Order 13 - Baffle, Heat Exchanger Model 200 55773 Purex (PENTAIR) 471642 $4.70 Place Order 13 - Baffle, Heat Exchanger Model 250 30181 Purex (PENTAIR) 471641 $4.90 Place Order 13 - Baffle, Heat Exchanger Model 300 30182 Purex (PENTAIR) 471896 $11.50 Place Order 13 - Baffle, Heat Exchanger Model 400 55496 Purex (PENTAIR) 471640 $8.05 Place Order 14 - Thermistor Probe (Note 1) 53272 Purex (PENTAIR) 471566 $68.60 Place Order 15 - Hi-Limit Thermostat - 115° F (Note 1) 26611 Purex (PENTAIR) 471587 $64.75 Place Order 16 - Hi-Limit Thermostat - 115° F (Note 1) 26618 Purex (PENTAIR) 471694 $65.95 Place Order 17 - Water Pressure Switch, ASME (Note 1) 28994 Purex (PENTAIR) 470190 $97.55 Place Order 17 - Water Pressure Switch 81040 Pentair 473605 $98.05 Place Order 18 - Main Manifold Assembly (Notes 1 & 7) 53257 Purex (PENTAIR) 471993 $84.90 Place Order 19 - Main Header Assembly (Notes 1 & 7) 55603 Purex (PENTAIR) 471992 $634.35 Place Order 20 - Main Manifold Bottom (Note 1) 53259 Purex (PENTAIR) 471419 $91.30 Place Order 21 - Cap, Main Manifold Bottom (Note 1) 53260 Purex (PENTAIR) 471420 $18.00 Place Order 22 - Adapter, Bulkhead Ring (Note 1) 53256 Purex (PENTAIR) 274440 $21.30 Place Order Not Shown - (274494) 25036 Standard O-83 $2.15 Place Order 23 - Adapter, Bulkhead, 2" (Note 1) 55517 Purex (PENTAIR) 471441 $23.40 Place Order 24 - Gasket, Fin Tube, Seal (Note 1) 30196 Purex (PENTAIR) 070951 $3.10 Place Order 25 - Flow Valve Assembly 55789 Purex (PENTAIR) 471750 $274.60 Place Order 26 - Bracket, Gas Valve (Note 1) 30729 Purex (PENTAIR) 471990 27 - Orifice, Natural Gas, 0-2000 Ft (Notes 1 & 6) 10982 Purex (PENTAIR) 073727 $9.05 Place Order 27 - Orifice, Propane, 0-2000 Ft (Notes 1 & 6) 29754 Purex (PENTAIR) 073728 $5.80 Place Order 28 - Gas Valve, Natural Gas 55793 Purex (PENTAIR) 460760 $363.80 Place Order 28 - Gas Valve - Propane 30733 Purex (PENTAIR) 460761 $363.80 Place Order 29 - Burner Tray Assembly - Natural Gas Model 200 30734 Purex (PENTAIR) 472042 29 - Burner Tray Assembly - Natural Gas Model 250 30735 Purex (PENTAIR) 472037 29 - Burner Tray Assembly - Natural Gas Model 300 30736 Purex (PENTAIR) 472033 29 - Burner Tray Assembly - Natural Gas Model 400 30737 Purex (PENTAIR) 472028 $962.75 Place Order 29 - Burner Tray Assembly - Propane Model 250 30739 Purex (PENTAIR) 471913 29 - Burner Tray Assembly - Propane Model 300 30740 Purex (PENTAIR) 471925 30 - IGNITOR, NT STD 60257 Pentair 472604 $123.15 Place Order 31 - Gas Manifold Assembly - Natural Gas Model 200 30743 Purex (PENTAIR) 472023 $88.55 Place Order 31 - Gas Manifold Assembly - Natural Gas Model 250 30744 Purex (PENTAIR) 472022 $116.65 Place Order 31 - Gas Manifold Assembly - Natural Gas Model 300 30745 Purex (PENTAIR) 472021 $131.80 Place Order 31 - Gas Manifold Assembly - Natural Gas Model 400 30746 Purex (PENTAIR) 472020 $162.90 Place Order 31 - Gas Manifold Assembly - Propane Model 200 30747 Purex (PENTAIR) 472027 $196.15 Place Order 31 - Gas Manifold Assembly - Propane Model 250 30748 Purex (PENTAIR) 472026 $116.65 Place Order 31 - Gas Manifold Assembly - Propane Model 300 30749 Purex (PENTAIR) 472025 $109.60 Place Order 32 - Burner Only 30751 Purex (PENTAIR) 070230 $97.60 Place Order 32 - Burner With Bracket (Note 1) 30752 Purex (PENTAIR) 471970 $49.75 Place Order 33 - Flame Sensor (Note 1)(Replaces 471603) 55620 Purex (PENTAIR) 472251 $30.75 Place Order 34 - Jacket, Upper Panel, Left (Note 1) 30212 Purex (PENTAIR) 471575 $84.90 Place Order 35 - Jacket, Upper Panel, Right (Notes 1 & 7) 55716 Purex (PENTAIR) 471576 $141.80 Place Order 35 - Jacket, Upper Panel, Right, ASME (Note 1) 30756 Purex (PENTAIR) 471697 $83.95 Place Order 36 - Jacket, Upper Subplate, Right (Note 1) 55629 Purex (PENTAIR) 471767 $66.80 Place Order 37 - Control Box Assembly, 0-2000 Ft (Note 1) 55718 Purex (PENTAIR) 472015 $214.55 Place Order 38 - Air Pressure Switch, 0-3000 ft. - Model 250 (green) 55810 Purex (PENTAIR) 472180 $64.80 Place Order 38 - Air Pressure Switch, 0-3000 ft. - Model 300 (orange) 55739 Purex (PENTAIR) 472181 $39.50 Place Order 38 - Air Pressure Switch, 0-3000 ft. - Model 400 (violet) 30762 Purex (PENTAIR) 472183 $64.80 Place Order 39 - Module, Ignition Control Upgrade Kit with Wiring Harness 30220 Purex (PENTAIR) 460783 $716.75 Place Order 40 - Temperature Controller Assembly (Note 1) 30764 Purex (PENTAIR) 472086 $441.05 Place Order 41 - Right Door Assembly (Note 1) 55548 Purex (PENTAIR) 472087 $344.00 Place Order 42 - Left Door Assembly Model 200 55726 Purex (PENTAIR) 471900 $222.10 Place Order 42 - Left Door Assembly Model 250 30224 Purex (PENTAIR) 471659 42 - Left Door Assembly Model 300 30768 Purex (PENTAIR) 471918 $257.45 Place Order 42 - Left Door Assembly Model 400 30226 Purex (PENTAIR) 471726 $218.10 Place Order 43 - Bracket, Front Burner Tray Model 200 30770 Purex (PENTAIR) 471891 43 - Bracket, Front Burner Tray Model 250 30771 Purex (PENTAIR) 471656 43 - Bracket, Front Burner Tray Model 300 30772 Purex (PENTAIR) 471890 43 - Bracket, Front Burner Tray Model 400 30773 Purex (PENTAIR) 471630 11 - Fire Box Assembly Model 400 30171 Purex (PENTAIR) 471821 44 - Shield, Front Burner Tray Model 250 30775 Purex (PENTAIR) 471655 44 - Shield, Front Burner Tray Model 300 30776 Purex (PENTAIR) 471805 44 - Shield, Front Burner Tray Model 350 30777 Purex (PENTAIR) 471631 Not Shown - Indoor Vent Adaptor 4" 56346 Purex (PENTAIR) 460506 $160.20 Place Order Not Shown - Indoor Vent Adaptor 5" 56331 Purex (PENTAIR) 460507 $124.30 Place Order N/S - Thermal Cut-Off (Note 1) 29222 Purex (PENTAIR) 075173 $28.05 Place Order 
