Pentair MasterTemp Natural Gas High Performance Heater with Cord 125K BTU 461059 Parts & Diagram

Replacement parts and exploded parts diagram for the Pentair MasterTemp Natural Gas High Performance Heater with Cord 125K BTU (model 461059). 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.

Parts marked Alternate are compatible replacements from other manufacturers.

Other Parts on This Diagram

These parts are not listed for online purchase. Contact us with the diagram number and part number to order.

  • #1 – 42002-0035z – Heater Display Cover
  • #2 – 38404-4097S – .75" Service Union
  • #2 – 42001-0030S – Ignitor Bracket
  • #8 – 42001-0056S – Max-E-Therm Terminal Board
  • #9 – 32850-0099Z – 1.25A Max-E-Therm Firemans Switch Fuse
  • #10 – 42001-0052S – Max-E-Therm Ignition Control Module
  • #12 – 42001-0061S – Max-E-Therm AIR Flow Switch
  • #13 – 42002-0007S – Max-E-Therm Control Board Kit
  • #14 – 474952 – Combustion Chamber Oring Kit (AFTER 11/16/13)
  • #14 – 42002-0034Z – Mastertemp Heater Top
  • #15 – 474990 – Mastertemp 125 Combustion Chamber Assy
  • #20 – 474958 – Combustion Chamber Cover Assy (AFTER 11/16/13)
  • #21 – 42002-0005S – Max-E-Therm Metal Vent Cover
  • #23 – 474991 – Mastertemp 125 Side Service Panel
  • #24 – 474992 – Mastertemp 125 Side Panel
  • #25 – 42002-0031Z – Mastertemp Bottom Cover
  • #26 – 474993 – Mastertemp 125 Fluestack Side Panel
  • #27 – 42002-0041Z – Mastertemp Jbox Cover Kit
  • #28 – 474292 – Mastertemp Service Panel Hardware Kit
  • - – 474979 – Mastertemp 125 AIR Orifice Kit (Not available separately)
  • - – 77707-0011 – Max-E-Therm Adapter Plate Gasket Kit (Not available separately)
  • - – 77707-0008 – Max-E-Therm Insulation Kit (Not available separately)
  • - – 42001-0074S – Lower Enclosure Insulation Kit (Not available separately)
  • - – 42001-0104S – Max-E-Therm Wiring Harness (Not available separately)
  • - – 42001-0105S – Max-E-Therm 120/240V Plug Kit (Not available separately)

Please confirm your model number matches your existing equipment before ordering.

GTIN:
SKU: DIAGRAM-461059
Brand: Pentair
Price range $49.80 - $836.98
Tax and shipping are calculated at checkout.

Available Parts & Components

  • Pentair MasterTemp & Sta-Rite Max-E-Therm Gas Control Valve Kit - 42001-0051S

    Pentair MasterTemp & Sta-Rite Max-E-Therm Gas Control Valve Kit - 42001-0051S

    SKU: 42001-0051S
    View product
    $315.00
  • Pentair MasterTemp 125 Tubesheet Coil Assembly - 474971

    Pentair MasterTemp 125 Tubesheet Coil Assembly - 474971

    SKU: 474971
    View product
    $836.98
  • Pentair MasterTemp 125 Manifold Kit - 474972

    Pentair MasterTemp 125 Manifold Kit - 474972

    SKU: 474972
    View product
    $279.79
  • Pentair O-Ring Kit Mt125 - 474973

    Pentair O-Ring Kit Mt125 - 474973

    SKU: 474973
    View product
    $49.80
  • Pentair Ignitor With Gasket Kit - 77707-0054

    Pentair Ignitor With Gasket Kit - 77707-0054

    SKU: 77707-0054
    View product
    $78.00
  • Pentair Gskt Igntr Svc - 42001-0066S

    Pentair Gskt Igntr Svc - 42001-0066S

    SKU: 42001-0066S
    View product
    $62.84
  • Pentair Blower Air Na Kit Mt125 - 474978

    Pentair Blower Air Na Kit Mt125 - 474978

    SKU: 474978
    View product
    $731.61
  • Pentair Thermistor Max-E-Therm - 42001-0053S

    Pentair Thermistor Max-E-Therm - 42001-0053S

    SKU: 42001-0053S
    View product
    $75.00
  • Pentair Water Pressure Switch - 42001-0060S

    Pentair Water Pressure Switch - 42001-0060S

    SKU: 42001-0060S
    View product
    $75.00
  • Pentair MasterTemp Pool Heater Transformer, 115/230V - 42001-0107S

    Pentair MasterTemp Pool Heater Transformer, 115/230V - 42001-0107S

    SKU: 42001-0107S
    View product
    $74.16
  • Pentair Mastertemp Starite Pressure Relief Valve Replacement Kit - 473715Z

    Pentair Mastertemp Starite Pressure Relief Valve Replacement Kit - 473715Z

    SKU: 473715Z
    View product
    $129.00
  • Pentair Mastertemp Sta-Rite Control Board Kit Replaces 42002-0007S - 461105Z

    Pentair Mastertemp Sta-Rite Control Board Kit Replaces 42002-0007S - 461105Z

    SKU: 461105Z
    View product
    $455.00
  • Conbraco Pressure Relief Valve 10-418-10 .75

    Conbraco Pressure Relief Valve 10-418-10 .75"FPT 50PSI Bronze

    SKU: 1041810
    View product
    $51.63
  • Swimables Mastertemp Max-E-Therm Style Control Board Replaces 461105 - SW-41-000

    Swimables Mastertemp Max-E-Therm Style Control Board Replaces 461105 - SW-41-000

    SKU: SW-41-000
    View product
    $389.00
  • Pentair Membrane Pad Kit - 472610Z

    Pentair Membrane Pad Kit - 472610Z

    SKU: 472610Z
    View product
    $109.00
  • Pentair Stack Flue Sensor - 42002-0024S

    Pentair Stack Flue Sensor - 42002-0024S

    SKU: 42002-0024S
    View product
    $109.00
  • Pentair Orifice Gas Na Kit Mt125 - 474981

    Pentair Orifice Gas Na Kit Mt125 - 474981

    SKU: 474981
    View product
    $53.40
  • Pentair MasterTemp 125k Btu NG to LP Conversion - 461063

    Pentair MasterTemp 125k Btu NG to LP Conversion - 461063

    SKU: 461063
    View product
    $65.00
  • Pentair MasterTemp 125k Btu LP to NG Conversion - 461062

    Pentair MasterTemp 125k Btu LP to NG Conversion - 461062

    SKU: 461062
    View product
    $65.00
  • Pentair Flameholder Mt125 Rplc - 474994

    Pentair Flameholder Mt125 Rplc - 474994

    SKU: 474994
    View product
    $164.54
Subtotal $0.00
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Section title

Replacement parts and exploded parts diagram for the Pentair MasterTemp Natural Gas High Performance Heater with Cord 125K BTU (model 461059). 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.

Parts marked Alternate are compatible replacements from other manufacturers.

Other Parts on This Diagram

These parts are not listed for online purchase. Contact us with the diagram number and part number to order.

  • #1 – 42002-0035z – Heater Display Cover
  • #2 – 38404-4097S – .75" Service Union
  • #2 – 42001-0030S – Ignitor Bracket
  • #8 – 42001-0056S – Max-E-Therm Terminal Board
  • #9 – 32850-0099Z – 1.25A Max-E-Therm Firemans Switch Fuse
  • #10 – 42001-0052S – Max-E-Therm Ignition Control Module
  • #12 – 42001-0061S – Max-E-Therm AIR Flow Switch
  • #13 – 42002-0007S – Max-E-Therm Control Board Kit
  • #14 – 474952 – Combustion Chamber Oring Kit (AFTER 11/16/13)
  • #14 – 42002-0034Z – Mastertemp Heater Top
  • #15 – 474990 – Mastertemp 125 Combustion Chamber Assy
  • #20 – 474958 – Combustion Chamber Cover Assy (AFTER 11/16/13)
  • #21 – 42002-0005S – Max-E-Therm Metal Vent Cover
  • #23 – 474991 – Mastertemp 125 Side Service Panel
  • #24 – 474992 – Mastertemp 125 Side Panel
  • #25 – 42002-0031Z – Mastertemp Bottom Cover
  • #26 – 474993 – Mastertemp 125 Fluestack Side Panel
  • #27 – 42002-0041Z – Mastertemp Jbox Cover Kit
  • #28 – 474292 – Mastertemp Service Panel Hardware Kit
  • - – 474979 – Mastertemp 125 AIR Orifice Kit (Not available separately)
  • - – 77707-0011 – Max-E-Therm Adapter Plate Gasket Kit (Not available separately)
  • - – 77707-0008 – Max-E-Therm Insulation Kit (Not available separately)
  • - – 42001-0074S – Lower Enclosure Insulation Kit (Not available separately)
  • - – 42001-0104S – Max-E-Therm Wiring Harness (Not available separately)
  • - – 42001-0105S – Max-E-Therm 120/240V Plug Kit (Not available separately)

Please confirm your model number matches your existing equipment before ordering.

Key Features

  • Exploded parts diagram for the Pentair MasterTemp 125 gas pool & spa heater (model 461059)
  • 20 replacement parts available to order online
  • Diagram number shown next to every part for easy matching
  • Genuine Pentair parts plus compatible alternates
  • Add multiple parts to your cart at once