Tempra Plus Water Heater Troubleshooting: Quick Fixes

For Tempra Plus water heater troubleshooting, reset the high limit switch and clean the filter screen. Additionally, check the anti-scald setting for optimal performance.

If your tankless water heater is not producing hot water, it may be due to ignition failure or other issues. Consult a professional for diagnosis and repair to ensure proper functioning. Tempra Plus water heaters offer efficient hot water solutions, but occasional issues may arise.

Understanding how to troubleshoot common problems can help maintain the heater’s performance. By resetting the high limit switch, cleaning the filter screen, and checking the anti-scald setting, you can address minor issues on your own. However, for more complex problems like no hot water production, it is recommended to seek professional assistance for accurate diagnosis and repair.

Identifying Common Tempra Plus Issues

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When your Tempra Plus water heater is not functioning properly, it can be frustrating. Understanding common issues and troubleshooting them can help you resolve the problem quickly. Here are some common problems you may encounter with your Tempra Plus water heater:

No Hot Water: Possible Causes

  • Incorrect temperature settings
  • Electricity supply issues
  • Water flow restrictions
  • Malfunctioning heating elements

Intermittent Heating: Understanding Patterns

If your Tempra Plus water heater is heating water inconsistently, pay attention to the patterns to identify the possible causes. Intermittent heating issues can be caused by:

  • Irregular water flow
  • Thermostat malfunctions
  • Lime buildup in the pipes
  • Electrical connection problems

Initial Diagnostic Steps

To troubleshoot Tempra Plus water heater issues, start with initial diagnostic steps. Check the high limit switch, clean the filter screen, and adjust the anti-scald setting. If problems persist, consult a professional technician for further assistance.

Safety First: Power Shutdown

Before you start any diagnostic work on your Tempra Plus water heater, it’s important to ensure your safety by shutting down the power supply. To do this, locate the circuit breaker for your water heater and turn it off. This will prevent any accidental electrical shocks or injuries while you’re working on your water heater.

Visual Inspection: Signs Of Trouble

Once you’ve ensured your safety, the next step is to visually inspect your Tempra Plus water heater for any signs of trouble. Some common signs of trouble include:

  • No hot water
  • Water not heating up enough
  • Strange noises coming from the water heater
  • Water leaks

If you notice any of these signs, it’s important to take note of them and move on to the next step in the diagnostic process.

Now that you know the initial diagnostic steps for troubleshooting your Tempra Plus water heater, you’re ready to start diagnosing the problem. Remember to always prioritize your safety and take the necessary precautions to prevent any accidents while working on your water heater. In the next section, we’ll cover some common troubleshooting tips for specific issues you may encounter with your Tempra Plus water heater.

Resetting The High Limit Switch

When your Tempra Plus water heater is not delivering hot water, it could be due to a tripped high limit switch. This safety feature is designed to shut off the heater if it detects overheating. Resetting the high limit switch can resolve this issue and restore your water heater’s functionality.

Tools Required

  • Screwdriver
  • Electrical tape

Step-by-step Guide

  • Locate the high limit switch on the right side of the water heater unit.
  • Use a screwdriver to remove the screw securing the cover of the high limit switch.
  • Open the cover to access the switch.
  • Inspect the switch for any signs of damage or overheating.
  • If the switch appears normal, carefully press the reset button located on the switch.
  • If the switch does not reset, use electrical tape to cover the terminals on the switch to prevent any electrical contact.
  • Turn on the circuit breakers for the water heater.
  • Monitor the water heater to ensure it operates as expected and provides hot water.

Cleaning The Filter Screen

Regular maintenance of your Tempra Plus water heater is essential to ensure optimal performance. One important aspect of this maintenance is cleaning the filter screen, which helps prevent sediment build-up and maintains efficient water flow. Follow the steps below to clean the filter screen and keep your water heater in top condition.

Preparing For Maintenance

Before you begin the filter screen cleaning process, gather the necessary tools and materials. You’ll need a bucket to minimize spills, and it’s crucial to turn off and lock out the circuit breakers connected to the water heater to ensure safety during maintenance.

Removing And Cleaning Process

First, place a bucket under the cold side fitting to catch any water that may spill during the process. Then, carefully remove the filter screen from the water heater. Once removed, clean the filter screen thoroughly to remove any accumulated debris or sediment that may be obstructing the flow of water.

Adjusting The Anti-scald Setting

When it comes to ensuring the safety and comfort of your hot water supply, adjusting the anti-scald setting on your Tempra Plus water heater is a crucial step. The anti-scald feature prevents the water from reaching scalding temperatures, offering peace of mind for you and your family.

Tools And Precautions

Before adjusting the anti-scald setting, it’s essential to gather the necessary tools and take the appropriate precautions to ensure a safe and effective process. Here’s what you’ll need:

  • Tools: Screwdriver, thermometer
  • Precautions: Turn off the power to the water heater at the circuit breaker to prevent any electrical mishaps.

Adjustment Procedure

Follow these steps to adjust the anti-scald setting on your Tempra Plus water heater:

  • Turn Off Power: Use the screwdriver to remove the cover of the water heater and ensure the power is turned off at the circuit breaker.
  • Access the Setting: Once the cover is removed, locate the anti-scald adjustment knob or screw inside the unit.
  • Adjust Temperature: Use the thermometer to measure the current water temperature and turn the adjustment knob or screw to the desired setting to prevent scalding.
  • Restore Power: After making the necessary adjustments, securely replace the cover and restore power at the circuit breaker.

By carefully following these steps, you can customize the anti-scald setting of your Tempra Plus water heater to ensure a safe and comfortable hot water supply for your household.

Addressing Ignition Failures

When your Tempra Plus water heater experiences ignition failures, it can be frustrating to deal with the lack of hot water. Ignition problems can stem from various issues, including a faulty igniter, gas supply problems, or dirty burners. Below, we’ll explore how to troubleshoot these common ignition failures.

Troubleshooting The Igniter

If you suspect that the igniter is causing the ignition failure, you can start by inspecting it for any signs of damage or malfunction. Ensure that the igniter is properly connected and free from any debris or buildup. If you notice any issues with the igniter, it may need to be replaced by a professional technician.

Gas Supply And Burner Issues

Another common cause of ignition failures in Tempra Plus water heaters is related to gas supply and burner issues. Check for any obstructions in the gas supply line and ensure that the gas valve is fully open. Additionally, inspect the burner for any dirt or debris that may be affecting its performance. If necessary, clean the burner according to the manufacturer’s guidelines.

Solving Delayed Hot Water Delivery

Delayed hot water delivery can be frustrating, especially when you’re in a rush or need hot water for a specific task. Fortunately, there are solutions to this problem that can be implemented to ensure you have hot water on demand. In this section, we’ll discuss two possible solutions: buffer tanks and recirculation system upgrades for instant heat.

Buffer Tanks

One solution to delayed hot water delivery is installing a buffer tank. A buffer tank is a water storage tank that’s installed between the water heater and the faucet. The purpose of the buffer tank is to store hot water and ensure that it’s readily available when needed. When hot water is used, the buffer tank replenishes the supply, providing a continuous flow of hot water.

There are several benefits to installing a buffer tank. First, it eliminates the need to wait for hot water to arrive at the faucet. Second, it reduces the wear and tear on the water heater, as it doesn’t need to turn on and off as frequently. Finally, it can help improve the overall efficiency of the water heating system.

Recirculation System Upgrades For Instant Heat

Another solution to delayed hot water delivery is upgrading to a recirculation system. A recirculation system is a pump that’s installed in the water heating system. The pump circulates hot water through the pipes, ensuring that hot water is always available when needed.

There are several benefits to upgrading to a recirculation system. First, it eliminates the need to wait for hot water to arrive at the faucet. Second, it can help reduce water waste, as less water is wasted while waiting for hot water to arrive. Finally, it can improve the overall efficiency of the water heating system.

In conclusion, delayed hot water delivery can be a frustrating problem, but it doesn’t have to be. By installing a buffer tank or upgrading to a recirculation system, you can ensure that hot water is always available when you need it.

Professional Help And When To Seek It

When troubleshooting your Tempra Plus Water Heater, it’s crucial to know when to seek professional help. Some issues may go beyond DIY fixes, requiring the expertise of qualified technicians. Below are key points to consider when deciding to seek professional assistance.

Recognizing Limitations

Despite your best efforts, some water heater problems may be too complex to resolve independently. Common issues like faulty igniters, gas supply problems, or dirty burners may require specialized knowledge to diagnose and repair effectively.

Finding Qualified Technicians

When seeking professional help, ensure you engage qualified technicians with experience in handling Tempra Plus Water Heaters. Look for reputable service providers with a track record of successful repairs and installations to ensure the job is done right.

Preventive Maintenance And Best Practices

Regular maintenance is crucial for ensuring the optimal performance and longevity of your Tempra Plus water heater. By following preventive maintenance and best practices, you can avoid potential issues and costly repairs, while also maximizing energy efficiency.

Regular Cleaning Schedules

Establishing a regular cleaning schedule for your Tempra Plus water heater is essential to prevent mineral buildup and sediment accumulation, which can lead to decreased efficiency and potential damage. Cleaning the inlet filter and removing any debris will help maintain a steady flow of water and preserve the heater’s functionality. Consider scheduling a thorough flushing of the system at least once a year to eliminate sediment and scale buildup, ensuring optimal performance.

Monitoring System Performance

Regularly monitoring the performance of your Tempra Plus water heater is crucial for identifying any potential issues early on. Keep an eye out for fluctuations in water temperature, unusual noises, or changes in water flow, as these could indicate underlying problems. Additionally, checking the pressure relief valve and ensuring it operates properly is vital for maintaining a safe and efficient system

Troubleshooting Advanced Problems

When dealing with advanced issues with your Tempra Plus Water Heater, it’s crucial to identify and address the specific problems promptly to ensure your water heater operates efficiently.

Flow Sensor Failures

  • Check for any debris or obstructions in the flow sensor.
  • Inspect the wiring connections to ensure they are secure.
  • Reset the flow sensor as per manufacturer’s instructions.

Thermal Cutout Issues

  • Verify if the thermal cutout switch has tripped.
  • Allow the water heater to cool down before resetting the thermal cutout.
  • If the issue persists, consider replacing the thermal cutout switch.

Frequently Asked Questions

How Do I Reset My Tempra Plus Water Heater?

To reset your Tempra Plus water heater, follow these steps: Turn off all circuit breakers. Open the unit and remove the screw on the right side. Turn on circuit breakers.

Why Is My Tankless Hot Water Heater Not Getting Hot?

Your tankless hot water heater may not be getting hot due to ignition failure, faulty igniter, gas supply issues, or a dirty burner. It’s best to consult a professional technician for diagnosis and repair. Additionally, without a buffer tank or recirculation pump, it may take a minute for the water to heat up.

What Is The Most Common Issue With Tankless Water Heaters?

The most common issue with tankless water heaters is slow hot water delivery due to lack of a buffer tank or recirculation pump.

Why Is My Hot Water Heater Not Working?

If your hot water heater is not working, it could be due to a number of reasons such as a faulty high limit switch, dirty filter screen, or gas supply issues. Try resetting the high limit switch or cleaning the filter screen.

If the problem persists, it’s best to consult a professional technician to diagnose and fix the issue. Common causes of hot water issues include gas leaks, water tank leaks, pilot light problems, and faulty heating elements.


Troubleshooting Tempra Plus water heaters involves resetting high limit switches, cleaning filter screens, and adjusting anti-scald settings. For issues like no hot water, consult a professional to diagnose and fix problems promptly. With proper maintenance and expert help, your water heater can function efficiently.

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