Have you ever found yourself standing in a cold shower, frustrated by a malfunctioning water heater? If you own a State Ultra Force water heater, the error code B2 70 can be a real headache. Luckily, you’re not alone, and there’s a simple way to tackle this issue.
Key Takeaways
- Error Code B2 70 Significance: This error indicates a thermistor issue in the State Ultra Force water heater, affecting water temperature regulation.
- Common Causes: The error can stem from wiring problems, thermistor malfunction, environmental factors, or incorrect installation.
- Troubleshooting Steps: Check wiring connections for any damage, test or replace the thermistor, and ensure proper installation to solve the B2 70 error.
- Resetting the Heater: Follow safety precautions, locate the reset button, and monitor indicator lights to successfully reset the water heater.
- Regular Maintenance: To prolong the water heater’s life, perform annual flushes and inspect critical components like the anode rod.
- Professional Help: Contact a technician if issues persist despite troubleshooting, especially for multiple errors or safety concerns.
Overview of State Ultra Force Water Heater
State Ultra Force water heaters offer energy-efficient solutions for residential and commercial applications. These water heaters come with various capacities to meet different needs. They employ advanced technology to ensure consistent water heating performance.
Error codes can indicate issues requiring your attention. The B2 70 error code specifically relates to a problem with the thermistor, which monitors water temperature. This issue may arise due to problems with wiring connections or sensor failures.
To troubleshoot this error, first, check the thermistor’s wiring for loose connections. Ensure the connections are secure and tight. If the wiring appears fine, inspect the thermistor for any visible damage. Replacing the thermistor often resolves the B2 70 error.
Regular maintenance is essential for optimal performance and longevity. Flushing the tank annually helps remove sediment buildup. Checking components, like the anode rod, will also extend the unit’s lifespan.
For further support, consult the manufacturer’s manual or contact customer service. Keeping these steps in mind helps ensure your water heater operates efficiently.
Understanding Error Code B2 70
Error code B2 70 indicates a problem with the thermistor in your State Ultra Force water heater. This component plays a crucial role in monitoring and regulating water temperature. When issues arise, it can disrupt the heater’s performance. Understanding the common causes can help you troubleshoot effectively.
Common Causes of Error Code B2 70
- Wiring Issues: Loose or damaged wiring connections can lead to inaccurate readings or failures in the thermistor. Inspect the wiring for any signs of wear or disconnection.
- Thermistor Failure: The thermistor itself may malfunction, leading to the error code. Testing the thermistor with a multimeter can determine if it’s functioning correctly.
- Environmental Factors: Extreme temperatures or moisture can affect thermistor performance. Ensure the area around the water heater is well-ventilated and protected from harsh conditions.
- Incorrect Installation: If the thermistor was installed incorrectly, it might not operate as intended. Verify that it’s positioned according to the manufacturer’s guidelines.
Impact on Water Heater Functionality
Error code B2 70 can significantly affect your water heater’s performance. When the thermistor fails, it may lead to fluctuating water temperatures or insufficient heating. You may experience lukewarm or cold water during use, which can disrupt daily activities like showering or washing dishes. Ignoring the error may lead to more severe issues over time, including potential system shutdowns. Addressing the problem promptly ensures your water heater operates efficiently and provides consistent hot water.
Steps to Reset Error Code B2 70
Resetting the B2 70 error code on your State Ultra Force water heater involves a few straightforward steps. Follow these procedures to ensure a smooth reset process.
Safety Precautions Before Resetting
- Turn Off Power: Always shut off the power supply to your water heater. This action prevents accidents during the reset process.
- Allow Equipment to Cool: Give your water heater enough time to cool down. Wait 30 minutes before proceeding to avoid burns or injuries.
- Wear Protective Gloves: Use gloves to protect your hands from sharp edges or hot components when handling any part of the heater.
- Locate the Reset Button: Find the reset button on the unit. It’s usually near the thermostat or on the front panel.
- Press the Reset Button: Firmly press the reset button. You might hear a click, indicating that the system is resetting.
- Check Indicator Lights: Observe the indicator lights. The power light should turn on, and the error code should disappear if the reset is successful.
- Inspect Wiring and Connections: Once reset, check the wiring for any loose or damaged connections. Secure any connections if needed.
- Test the Water Heater: Restore power to the unit and observe its performance. Ensure the water heats up properly and monitor for any recurring error codes.
By following these steps, you can effectively reset the B2 70 error code on your State Ultra Force water heater, ensuring consistent and reliable performance.
Troubleshooting Tips for Persistent Issues
Persistent issues with your State Ultra Force water heater may require additional attention. Here are some troubleshooting tips to help you identify and fix ongoing problems.
When to Seek Professional Help
Seek professional help if you’ve tried the basic troubleshooting steps without success. Consider contacting a technician if you:
- Encounter multiple error codes simultaneously.
- Notice significant leaks or water damage.
- Experience persistent performance issues, such as fluctuating temperatures after resetting the system.
- Find signs of corrosion or extensive wear on the heater components.
- Feel unsure about handling electrical components safely.
In these cases, a trained professional can provide a thorough diagnosis, ensuring safe and effective repairs.
Conclusion
Dealing with the B2 70 error code on your State Ultra Force water heater can be frustrating but you’ve got the tools to tackle it. By checking the thermistor and its wiring you can often resolve the issue and get back to enjoying consistent hot water. Remember that regular maintenance is key to keeping your water heater running smoothly.
If you find yourself stuck don’t hesitate to reach out to a professional. They can help ensure your heater operates safely and efficiently. With a little attention and care your water heater can continue to provide reliable service for years to come.
Frequently Asked Questions
What does the B2 70 error code mean on my State Ultra Force water heater?
The B2 70 error code indicates a problem with the thermistor, which monitors the water temperature. Common causes include wiring issues, sensor failures, or incorrect installation. It’s crucial to address this issue to maintain efficient performance.
How can I troubleshoot the B2 70 error code?
To troubleshoot B2 70, check the thermistor’s wiring for loose connections and inspect the thermistor for any damage. Often, replacing the thermistor resolves the issue. Regular maintenance can also prevent future problems.
What maintenance is needed for my State Ultra Force water heater?
Routine maintenance includes annual tank flushing, checking the anode rod, and inspecting all connections and components for wear. This ensures optimal performance and longevity of your water heater.
How do I reset the B2 70 error code?
To reset the B2 70 error code, turn off the power, allow the system to cool, and wear protective gloves. Locate and press the reset button, then check for indicator lights to confirm the reset is successful.
When should I contact a technician for help?
You should contact a technician if basic troubleshooting fails, if you see multiple error codes, notice leaks, or feel uncertain about handling electrical components. A professional can provide a thorough diagnosis and safe repairs.

Hey, I’m Jake. I focus on cooling systems at Appliance Mastery, like fridges, freezers, and air conditioners.
I’ve worked in appliance repair for more than ten years and I’m certified through NASTeC. I’ve seen just about every fridge issue you can imagine.
My goal is to help you fix problems without stress. Whether it’s a freezer that won’t cool or an AC that keeps beeping, I’m here to walk you through it.