Click to Make a Booking - Mornington Peninsula, Frankston, Bayside, Kingston

10 Industry Boulevard, Carrum Downs Victoria 3201, Australia

03 5932 5970

03 5932 5970

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    • Home
    • Book Us In!
    • Gas Heaters
      • Astralpool / Hurlcon
      • Raypak Rheem
      • Pentair Waterco
      • Zodiac Jandy Teledyne
      • Hayward Heaters
      • Dega De-gas
      • Onga Bosch and Others
      • insnrg Heaters
    • Heat Pumps
    • General Info
      • Gas vs Heat Pump vs Solar
      • Servicing a Gas Heater
      • Pool Heat-up Times
      • Blog & Gallery
    • Spare Parts
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    • What We Do
    • External Links
      • HeaterParts.com.au
      • Gas Heaters
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Pool & Spa Gas Heater Services

The pool & SPA heater experts - Heaters & Spare Parts. Gas & Heat Pumps

The pool & SPA heater experts - Heaters & Spare Parts. Gas & Heat PumpsThe pool & SPA heater experts - Heaters & Spare Parts. Gas & Heat Pumps

** pentair factory trained service agents**

Pentair Mastertemp / Waterco Turbotemp Gas Heater REPAIRS AND Services

Pentair Mastertemp

Sta-Rite Max-E-Therm

Pentair Mastertemp

Pentair Mastertemp gas heaters are a compact High-efficiency gas pool and spa heater. They have a rounded tube bundle heat exchanger unlike any other on the market.  We carry spare parts and service these regularly. 


Models: Natural Gas or LPG   

Mastertemp 125 - Output : ~29kW     

Mastertemp 200 - Output : ~46kW     

Mastertemp 300 - Output : ~69kW     

Mastertemp 400  - Output : ~92kW   


Combustion  Style:

Fan-forced downward, column flame.

Header Manifolds:

Noryl, multi-gasket, against mild-steel plate. 

Heat Exchanger:

Copper / Cupro-nickel 




Waterco Turbotemp

Sta-Rite Max-E-Therm

Pentair Mastertemp

Waterco Turbotemps were simply a re-branded Pentair Mastertemp. Waterco has moved on from these heaters. Waterco does not sell this version anymore. 


Models: Turbotemp 125, 200, 300, 400

Sta-Rite Max-E-Therm

Sta-Rite Max-E-Therm

About Pentair Heaters

Another re-branded Pentair Mastertemp, this time with a different outside casing. The internals are identical. Sta-rite actually designed this style of heater before Pentair took over.


Models: Max-E-Therm 200, 300, 400

About Pentair Heaters

About Pentair Heaters

About Pentair Heaters

We carry almost all spare parts on-board, and are factory-trained. Spare parts can also be ordered and picked up from our shopfront at 10 Industry Blvd, Carrum Downs

More Information

About Pentair Heaters

More Information

They use a finely tuned fan-forced blower for efficiency. 

Common Issues

About Pentair Heaters

More Information

Due to the efficiency of these heaters, there are some issues that can be of concern. 

- They are prone to water chemistry issues. When the heat exchanger leaks from corrosion, it can fill the entire combustion chamber with water. 

- The bolts on the water manifold are made of mild steel and can rust. 

- Can be difficult to diagnose issues.

Pentair / Waterco / Sta-Rite Troubleshooting

Pentair Mastertemp Error Codes & Troubleshooting

Pentair Mastertemp, Waterco Turbotemp, Sta-Rite Max-E-Therm Gas Heater Error Codes:


Service System LED On - Heater not detecting water pressure. Make sure valves in correct position, filters clean, and sufficient water flow through heater.

Service Heater LED On - Cycle Mains power off, then on. Try again. If fault reoccurs, see below.


Other Codes that may be seen:


AGS - Gas Shutoff. Temperature in heater is too high. 

HLS - Hi Limit Switch Opened 

PS - Pressure Switch Opened. Clean filters and ensure correct water flow. 

AFS - Air Flow Switch Failure. Do no operate heater. 

SFS - Stack Flue Sensor Error. Combustion may be incorrect.  

E01 - Temp Sensor Failed. Water chemistry may be incorrect. 

E02 - High Limit Sensor Failure.  Ensure water flow is correct. If this reoccurs, 

E03 - Thermal Fuse Failure. Temperature exceeded limits. Do not operate heater.  

E04 - Fan Sensor Failure.  Sensor error or blocked / sooted heat exchanger. May be bad gas supply or failed parts. Do not operate heater. 

E05 - Stack Flue Sensor Failure.  Sensor error or blocked / sooted heat exchanger. May be bad gas supply or failed parts. Do not operate heater. 


Other Issues That Require Service:


Loud, high-pitched whine - Flame is too rich. 


Flame is “fluttery.” Flame is too lean. Exhaust may have acrid smell or burner may fail

to stay lit. 


Burner pulsates or Exhaust vent is too long. Reduce length of exhaust vent and/or surges, especially on number of elbows.


Boiling in heat exchanger - Low water flow to heater, pump and or filter. May be accompanied by water “bumping” sounds. Do not use heater. 


R13 / R8 - Part of Startup Sequence. Wait for next step. Not an error


Smoke or Steam coming from heater. Switch heater off, and gas valve off. Do not use heater. 


Frozen Screen - Heater may have restarted too many times. May be gas supply issue. 


If any of the above continue, please Contact us for Service


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Pool & Spa Heater Services by Heater & Spa Parts

  • Home
  • Book Us In!
  • Astralpool / Hurlcon
  • Raypak Rheem
  • Pentair Waterco
  • Zodiac Jandy Teledyne
  • Hayward Heaters
  • Dega De-gas
  • Onga Bosch and Others
  • insnrg Heaters
  • Heat Pumps
  • Gas vs Heat Pump vs Solar
  • Servicing a Gas Heater
  • Pool Heat-up Times
  • Blog & Gallery
  • Spare Parts
  • About Us
  • What We Do
  • HeaterParts.com.au
  • Spa Spare Parts