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Australia's Pool Heater Specialists

Pentair Mastertemp Gas Heater Parts

Pentair Mastertemp gas heater parts are used to repair and maintain Pentair Mastertemp gas pool heaters, including 125, 200, 300 and 400 models. Common replacement parts include thermistors, ignition modules, gas valves, pressure switches and control boards.

This collection includes genuine and compatible Pentair Mastertemp heater parts designed to restore heating performance, fix common faults and extend the lifespan of your heater.

If your heater is not working correctly, view our pool heater troubleshooting guides or book a pool heater repair. Browse the available Pentair replacement parts below for fast Australia-wide delivery.

Read More About Pentair Mastertemp Heater Parts

Pentair Mastertemp Heater Models

Common Pentair Mastertemp Heater Parts

  • Thermistors and temperature sensors
  • Ignition modules and pilot assemblies
  • Gas valves and burner components
  • Control boards and electronic components
  • Pressure switches and safety controls

Common Mastertemp Heater Faults

  • Heater not igniting or starting
  • Temperature sensor faults
  • Ignition lockout issues
  • Gas supply problems
  • Water flow or pressure faults

Pentair Mastertemp Heater Parts – FAQs

What parts commonly fail in Mastertemp heaters?
Common failures include thermistors, ignition modules, gas valves and pressure switches.

Are Mastertemp 200 and 400 parts interchangeable?
Some parts may be shared, but many components are model-specific. Always confirm compatibility.

How do I find my Mastertemp model?
Check the data plate on your heater for the model number such as 125, 200, 300 or 400.

Can I replace Mastertemp heater parts myself?
Basic components can be replaced, but gas and electrical parts should be installed by a qualified technician.

 

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    Pentair Ultratemp Heater VX Touchpad Display

    $688.00
    $688.00
    $688.00
    $688.00

    Looking for a VX Heat Pump touchpad display for your Pentair Ultratemp Pool Heat Pump? We have theVX touchpad display panels to suit the Ultratemp ...

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    $688.00
    $688.00
    $688.00
    $688.00

  • Pentair Mastertemp Heater Thermal Regulator Kit

    $265.00
    $265.00 - $275.00
    $265.00
    $265.00

    Need to replace the thermal regulator on your Pentair Mastertemp Pool or spa gas heater? We have the thermal regulator kits to suit the Mastertemp ...

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    $265.00
    $265.00 - $275.00
    $265.00
    $265.00
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  • Pentair Ultratemp HXi Touchpad Display

    $395.00
    $395.00
    $395.00
    $395.00

    Looking for a HXi Heat Pump touchpad display for your Pentair Ultratemp Pool Heat Pump? We have the HXi touchpad display panels to suit Ultratemp H...

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    $395.00
    $395.00
    $395.00
    $395.00

  • Pentair Mastertemp Heater Flue Stack Sensor

    $225.00
    $225.00
    $225.00
    $225.00

    Need to replace the Flue Stack Sensor on your Pentair Mastertemp Pool or spa gas heater? We have the flue stack sensors to suit the Mastertemp 125,...

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    $225.00
    $225.00
    $225.00
    $225.00

  • Mastertemp Gas Spa Heaters

    $3,900.00
    $3,900.00 - $6,500.00
    $3,900.00
    $3,900.00

    Mastertemp Gas Spa Heaters – Compact to High-Performance Heating The Mastertemp 125 gas heater is purpose-built for spas, plunge pools, and compact...

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    $3,900.00
    $3,900.00 - $6,500.00
    $3,900.00
    $3,900.00
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  • Pentair Mastertemp Gas Heater Top

    $550.00
    $550.00
    $550.00
    $550.00

    Need to replace the heater top of your Pentair Mastertemp Pool or spa gas heater? We have the heater tops to suit the Mastertemp 125, 200HD, 300HD ...

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    $550.00
    $550.00
    $550.00
    $550.00

  • Pentair Mastertemp Gas Heater Service Panel

    $365.00
    $365.00
    $365.00
    $365.00

    Need to replace the heater service panel (front or rear) Pentair Mastertemp Pool or spa gas heater? We have these service panels to suit the Master...

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    $365.00
    $365.00
    $365.00
    $365.00

  • Pentair Mastertemp Manifold Kits 125 200HD 300HD 400HD

    $348.15
    $348.15
    $660.00 - $990.00
    $660.00
    $660.00

    Need to replace the heater manifold kit for your Pentair Mastertemp Pool or spa gas heater? We have these manifold kits to suit the Mastertemp 125,...

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    $348.15
    $348.15
    $660.00 - $990.00
    $660.00
    $660.00
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  • Pentair Mastertemp Heat Exchanger 125 200HD 300HD 400HD

    $1,600.00
    $1,600.00 - $2,800.00
    $1,600.00
    $1,600.00

    Need to replace the heat exchanger for your Pentair Mastertemp Pool or spa gas heater? We have the heat exchangers to suit the Mastertemp 125, 200H...

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    $1,600.00
    $1,600.00 - $2,800.00
    $1,600.00
    $1,600.00
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  • Mastertemp Gas Pool Heaters

    $4,500.00
    $4,500.00 - $7,000.00
    $4,500.00
    $4,500.00

    Mastertemp Gas Pool Heaters – 200, 300 & 400 Models When it comes to heating larger backyard or residential pools, the Mastertemp 200, 300, and...

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    $4,500.00
    $4,500.00 - $7,000.00
    $4,500.00
    $4,500.00
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    Pentair Mastertemp Main Control Board PCB - Membrane and PCB | Max E Therm | Turbotemp

    $645.00
    $645.00
    $645.00
    $590.00
    $590.00
    $590.00

    Genuine Pentair Mastertemp Main Control Board PCB - Membrane and PCB | Max E Therm | Turbotemp This genuine Pentair replacement control board and m...

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    $645.00
    $645.00
    $645.00
    $590.00
    $590.00
    $590.00
    Save 9%
    Sale
  • Save 12%
    Sale

    Pentair MasterTemp Pool Heater Top | Max-E-Therm | Turbotemp

    $599.00
    $599.00
    $599.00
    $525.00
    $525.00
    $525.00

    Pentair MasterTemp Pool Heater Top | Max-E-Therm | Turbotemp Replace your cracked, weathered, or broken heater top with this genuine Pentair replac...

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    $599.00
    $599.00
    $599.00
    $525.00
    $525.00
    $525.00
    Save 12%
    Sale

  • Pentair Ultratemp Heater HX Touchpad Display

    $455.00
    $455.00
    $455.00
    $455.00

    Looking for a HX Heat Pump touchpad display for your Pentair Ultratemp Pool Heat Pump? We have the HX touchpad display panels to suit the Ultratemp...

    View full details
    $455.00
    $455.00
    $455.00
    $455.00

  • Pentair Ultratemp Heater VX HX Main PCB Board

    $876.00
    $876.00
    $876.00
    $876.00

    Looking for a VX or HX Main PCB Board for your Pentair ultratemp Heat Pump? We have the VX HX PCBs to suit the Ultratemp VX and the HX pool heat pu...

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    $876.00
    $876.00
    $876.00
    $876.00
  • AstralPool IXI Gas Heater IXI Thermal Regulator Valve Kit (Trv)

    Pentair Mastertemp Heater Thermal Regulator

    $175.00
    $175.00
    $175.00
    $175.00

    Looking for a thermal regulator on your Pentair Mastertemp Pool or spa gas heater? We have the thermal regulator's to suit the Mastertemp 125, 200H...

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    $175.00
    $175.00
    $175.00
    $175.00
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  • Mastertemp Turbotemp Pressure Relief Valve Kit View
    Mastertemp Turbotemp Pressure Relief Valve Kit

    Pentair Mastertemp TurboTemp Pressure Relief Valve Kit

    $329.00
    $329.00
    $329.00
    $329.00

    Pentair MasterTemp TurboTemp Pressure Relief Valve Kit The Pentair MasterTemp TurboTemp Pressure Relief Valve Kit is designed for use with selected...

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    $329.00
    $329.00
    $329.00
    $329.00