{"product_id":"pentair-mastertemp-digital-iid-asme-natural-gas-low-nox-pool-spa-heater-250k-btu-460771-parts-diagram","title":"Pentair MasterTemp Digital IID ASME Natural Gas Low NOx Pool \u0026 Spa Heater 250K BTU 460771 Parts \u0026 Diagram","description":"\u003cp\u003eReplacement parts and exploded parts diagram for the Pentair MasterTemp Digital IID ASME Natural Gas Low NOx Pool \u0026amp; Spa Heater 250K BTU (model 460771). Find the part on the diagram, then look for the same number (#) next to each part in the Available Parts list and add the parts you need to your cart.\u003c\/p\u003e\u003cp\u003eParts marked Alternate are compatible replacements from other manufacturers.\u003c\/p\u003e\u003ch3\u003eOther Parts on This Diagram\u003c\/h3\u003e\u003cp\u003eThese parts are not listed for online purchase. Contact us with the diagram number and part number to order.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e#1\u003c\/strong\u003e – 460747 – 250K BFR 12\/09 Tube Sheet Coil Assy Kit \u003cem\u003e(Water System Parts )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#1\u003c\/strong\u003e – 474059 – Mastertemp 250 Tube Sheet Coil Assy Kit \u003cem\u003e(Water System Parts- For Heaters Manufactured after 1\/12\/09 (New Tub Design) )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#1\u003c\/strong\u003e – 473710 – Mastertemp 250 NG HD Tube Sheet Coil Assy \u003cem\u003e(Water System Parts )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#1\u003c\/strong\u003e – 474063 – 250HD AFT 1\/09 Tube Sheet Coil Assy Kit \u003cem\u003e(Water System Parts- For Heaters Manufactured after 1\/12\/09 (New Tub Design) )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#1\u003c\/strong\u003e – 42002-0035Z – Mastertemp Display Cover \u003cem\u003e(Electrical System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#2\u003c\/strong\u003e – 460748 – 250K Mastertemp Manifold Kit \u003cem\u003e(Water System Parts- For Heaters Manufactured after 1\/12\/09 (New Tub Design) )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#2\u003c\/strong\u003e – 38404-4097S – .75\" Service Union \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#2\u003c\/strong\u003e – 42001-0030S – Ignitor Bracket \u003cem\u003e(Electrical System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#3\u003c\/strong\u003e – 460749 – 8\/PK 250K Coil\/ Tube Sheet Oring \u003cem\u003e(Water System Parts )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#5\u003c\/strong\u003e – 460743 – 250K NG Mastertemp AIR Blower Kit \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#5\u003c\/strong\u003e – 42002-0025S – Max-E-Therm Automatic GAS Shutoff Switch \u003cem\u003e(Electrical System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#5\u003c\/strong\u003e – 42002-0025T – Automatic GAS Shut-Off Switch \u003cem\u003e(Electrical System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#7\u003c\/strong\u003e – 460745 – 250K Mastertemp AIR Orifice Kit \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#8\u003c\/strong\u003e – 42001-0056S – Max-E-Therm Terminal Board \u003cem\u003e(Electrical System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#9\u003c\/strong\u003e – 32850-0099z – 32850-0099 1.25A Max-E-Therm Firemans Switch Fuse \u003cem\u003e(Electrical System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#10\u003c\/strong\u003e – 42001-0052S – Max-E-Therm Ignition Control Module \u003cem\u003e(Electrical System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#12\u003c\/strong\u003e – 42001-0061S – Max-E-Therm AIR Flow Switch \u003cem\u003e(Electrical System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#13\u003c\/strong\u003e – 42002-0007S – Max-E-Therm Control Board Kit \u003cem\u003e(Electrical System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#14\u003c\/strong\u003e – 77707-0017 – Connector Tube W\/ Oring \u003cem\u003e(Water System Parts )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#14\u003c\/strong\u003e – 42002-0034Z – Mastertemp Heater Top \u003cem\u003e(Electrical System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#15\u003c\/strong\u003e – 42001-0200S – Combustion Chamber Assy \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#15\u003c\/strong\u003e – 474095 – Combustion Chamber Assy (AFTER 1\/12\/09) \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#18\u003c\/strong\u003e – U9-152 – Oring \u003cem\u003e(Water System Parts )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#20\u003c\/strong\u003e – 072555 – #2-112 Nitrile O-Ring Cover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#20\u003c\/strong\u003e – 25010-0200 – Pld\/Ptm AIR Relief Valve Assy \u003cem\u003e(Water System Parts )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#20\u003c\/strong\u003e – 474094 – Combustion Chamber Cover Assy (AFTER 1\/12\/09) \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#21\u003c\/strong\u003e – U78-60ZPS – .75\" Zinc Square Head Pipe Plug \u003cem\u003e(Water System Parts )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#21\u003c\/strong\u003e – 42002-0005S – Max-E-Therm Metal Vent Cover \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#23\u003c\/strong\u003e – 42002-0039Z – Mastertemp Front\/ Back Panel \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#24\u003c\/strong\u003e – 42002-0033Z – Mastertemp Side Panel (MANIFOLD SIDE) \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#26\u003c\/strong\u003e – 42002-0032Z – Mastertemp Side Panel (FLUE SIDE) \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Shown\u003c\/strong\u003e – 77707-0120 – Max-E-Therm Manifold Oring Kit \u003cem\u003e(Water System Parts )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Shown\u003c\/strong\u003e – 474097 – 250K Asme Heat Exchanger Kit \u003cem\u003e(Water System Parts - For ASME Heaters Manufactured after 03\/24\/09)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Shown\u003c\/strong\u003e – 460924 – Asme Mastertemp Thermal Regulator Kit (BEFORE 10\/2012) \u003cem\u003e(Water System Parts )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Shown\u003c\/strong\u003e – 460739 – 250K NA GAS Orifice Kit \u003cem\u003e(Burner System - Not included with heater. Order separately. )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Shown\u003c\/strong\u003e – 460742 – 250K LP TO NG Conversion Kit \u003cem\u003e(Burner System - Not included with heater. Order separately. )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Shown\u003c\/strong\u003e – 77707-0011 – Max-E-Therm Adapter Plate Gasket Kit \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Shown\u003c\/strong\u003e – 460746 – 250K BTU Flameholder Kit \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Shown\u003c\/strong\u003e – 77707-0008 – Max-E-Therm Insulation Kit \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Shown\u003c\/strong\u003e – 42001-0074S – Lower Enclosure Insulation Kit \u003cem\u003e(Burner System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Shown\u003c\/strong\u003e – 42001-0104S – Max-E-Therm Wiring Harness \u003cem\u003e(Electrical System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Shown\u003c\/strong\u003e – 42001-0105S – Max-E-Therm 120\/240V Plug Kit \u003cem\u003e(Electrical System )\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease confirm your model number matches your existing equipment before ordering.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52557056409816,"sku":"DIAGRAM-460771","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/3389\/9224\/files\/PUR-15-0771-sch.jpg?v=1790369835","url":"https:\/\/poolsupply4less.com\/products\/pentair-mastertemp-digital-iid-asme-natural-gas-low-nox-pool-spa-heater-250k-btu-460771-parts-diagram","provider":"Pool Supply 4 Less","version":"1.0","type":"link"}