Robertshaw ST12-80 Electric Hot Water Thermostat 80°C 30A Reset
Robertshaw ST12-80 Electric Hot Water Thermostat 80°C 30A Reset
In Stock
In Stock
Robertshaw ST12-80 Electric Hot Water Thermostat 80°C 30A Reset
Genuine Robertshaw Surface Mount Thermostat – 240V
Restore accurate temperature control to your electric hot water system with this Genuine Robertshaw ST12-80 Thermostat.
Designed for surface-mounted applications, this 80°C thermostat provides reliable thermal regulation and built-in reset protection for safe operation in domestic and commercial electric storage systems.
🔧 Technical Specifications
- Model: ST12-80
- Brand: Robertshaw (OEM)
- Voltage: 240V
- Frequency: 50Hz
- Current Rating: 30 Amp
- Temperature Range: 60–80°C
- Mounting Type: Surface Mount
- Reset Function: Manual Reset Included
- Condition: Brand New OEM
🔄 Alternate / Cross Reference Part Numbers
This thermostat replaces:
- ST12-80
- ST12-80KS
- ST1205
- ST1205113
- EWT1L2-80K
- W1M2/80
- 6060606
- W1M2-80
- ST1204133
- ST12-80RS
- ST1205134
- 1317214
- 20431-3
- W1M25034K
- EWT1L2-508
If your existing thermostat matches any of the above numbers, this is the correct replacement.
✅ Compatible Brands
- Rheem
- Dux
- Aquamax
- Rinnai
- Apricus
- Other electric storage systems using ST12-80 configuration
If unsure, send your hot water system model and we’ll confirm compatibility before purchase.
🔥 What This Thermostat Does
- Regulates water temperature up to 80°C
- Cuts power once set temperature is reached
- Includes safety reset protection
- Helps prevent overheating
- Maintains consistent hot water supply
⚠️ Common Fault Symptoms
- Water not heating
- Water overheating
- System tripping
- Inconsistent temperature
- Thermostat not resetting
🛠 Installation Information
⚠️ Installation must be carried out by a licensed electrician.
Basic Installation Steps:
- Isolate power at the switchboard.
- Confirm system is not live.
- Remove access cover and insulation.
- Disconnect faulty thermostat wiring.
- Mount new ST12-80 surface thermostat securely.
- Reconnect wiring to correct terminals.
- Reinstall insulation and cover.
- Restore power and test operation.
Ensure thermostat probe or sensing plate is correctly positioned for accurate reading.
🔎 ST12-80 vs ST12-70 – Important Difference
ST12-70 → 70°C maximum
ST12-80 → 80°C maximum
Always match the temperature rating printed on your existing thermostat before ordering.
📦 Package Includes
1 × Genuine Robertshaw ST12-80 Thermostat (30A, Reset)
Why Choose Genuine Robertshaw?
✔ Trusted OEM manufacturer
✔ Used by major hot water brands
✔ Long service life
✔ Accurate and reliable temperature control
We are always trying to guarantee that your package arrives to you as quickly as possible. Please keep in mind that some conditions, such as weather, excessive postal traffic, and shipping company performance, are beyond our control.
We aim to ship all domestic purchases within 1 business day of your order being placed and should arrive to you in 2-5 business days.
All of our packages are sent via Australia Post. We do not offer International Shipping currently.
Shipping costs is $15 for standard shipping and $25 for express, with free shipping over $100.
Should your order not arrive or get lost in transit, please contact us on info@myovenspares.com and we will investigate.
You can track your order here.
We hope you are happy with your purchase.
However, if you are not completely satisfied with your purchase for any reason, you may return it to us for store credit or an exchange. Please see below for more information on our return policy.
RETURNS
All returns must be postmarked within seven (7) seven (7)days of the purchase date. All returned items must be in new and unused condition, with all original tags and labels attached.
RETURN PROCESS
To return an item, please email customer service at customerservice@myovenspares.com to obtain a Return Merchandise Authorization (RMA) number.
After receiving a RMA number, place the item securely in its original packaging to the below address:
My Oven Spares
Attn: Returns
12/5 Hudson Avenue
Castle Hill NSW
2154
RMA #
REFUNDS
After receiving your return and inspecting the condition of your item, we will process your refund within ten (10) days.
EXCEPTIONS
The following items cannot be returned or exchanged:
● SPECIAL ORDER items
For defective or damaged products, please contact us at the contact details below to arrange a refund or exchange.
Please Note
● Sale items are FINAL SALE and cannot be returned.
QUESTIONS
If you have any questions concerning our return policy, please contact us at: customerservice@myovenspares.com
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