Expert Thermann Heat Pump Repairs
If your Thermann heat pump is showing error codes, leaking water, not heating, or the fan runs but no hot water is produced, Todd's Plumbing & Electrical can help. We provide same-day diagnostics, repairs, and preventative servicing for the Thermann HP170, HP280, and HP300 models, as well as Thermann re-branded Reclaim CO₂ and Stiebel Eltron-style systems.
- All Thermann models serviced
- Dual-trade (plumbing & electrical)
- Up-front, transparent pricing
- Warranty-compliant service
- Local, family-owned business
- Same-day response
About Thermann Heat Pumps
Thermann is an Australian brand sold through Reece Plumbing and backed by multiple OEM suppliers (including Reclaim, Midea, and Stiebel Eltron).
Refrigerant & Performance
The popular Thermann 280 and 300L integrated units use R134a refrigerant, while the CO₂ split system (Reclaim variant) uses R744 (CO₂) for high efficiency.
Extreme Conditions
Operating range from –5 °C to +43 °C, with auto-defrost and an in-tank backup element for reliable hot water even in extreme cold.
Comprehensive Thermann Servicing
We service compressor and refrigerant circuits, fan motors, evaporator coils, thermistors, sensors, PTR/expansion valves, anodes, PCBs, capacitors, wiring, and supply.
Common Thermann Heat Pump Problems We Fix
Here are the most common faults we diagnose and repair on Thermann heat pumps.
No hot water / lukewarm
Sensor or PCB fault, compressor not engaging, refrigerant loss, blocked airflow, tariff or timer issue.
PTR valve dripping
Excess pressure or temperature, worn valve, blocked drain. We test and replace PTR, confirming pressures and drainage.
Runs constantly / short cycles
Cold ambient, dirty/iced coil, faulty sensor, incorrect timer. We clean the coil, test defrost mode, and reconfigure control settings.
Noise / vibration
Fan bearing wear, debris, loose mounts, compressor strain. We inspect the fan and casing, clear debris, and secure components.
Error codes (E1–E7, P1, P4, P6)
Temperature or pressure sensor faults, defrost issues, PCB or compressor fault. We follow the Thermann service chart, test components, and replace faulty parts.
Reduced efficiency / high bills
Dirty coil, scale build-up, booster element overuse. We flush and clean the coil, descale the tank, and optimise cycle and timers.
Our Service Process
A systematic approach to diagnosing and fixing your Thermann heat pump correctly the first time.
System inspection
Read fault codes, test sensors, check refrigerant, airflow, and drainage.
Clear explanation & quote
No hidden surprises. We explain the issue and provide a transparent quote.
Professional repair
OEM or compatible parts installed to manufacturer standard.
Commissioning
Pressure/temperature verification, safety valve tests, off-peak timer setup.
After-service advice
Maintenance and power-saving guidance to get the most out of your system.
Repairs Guide
- Diagnostic & quote
- Sensor/PCB/element repairs
- PTR valve replacement & safety test
- Annual preventative service
- Major components or retrofit to a new heat pump
Final price depends on model condition, parts availability and site access.
FAQs
Common questions about Thermann heat pump repairs
Need Your Thermann Heat Pump Fixed Fast?
Get a free quote today. Our licensed plumbers and electricians are ready to get your hot water running again.
"Great working with the team from Todd's Plumbing. The service was excellent, communication was easy, and all of our hot water issues were fixed promptly and professionally."
- Jamie-Lee de Jager
- Same Day Service
- Fixed Upfront Pricing
- Licensed & Insured
- Thermann Specialists
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