Furrion Tankless Water Heater Manual: A Comprehensive Guide
Welcome! This manual provides detailed instructions for Furrion tankless water heaters, covering installation, operation, maintenance, and troubleshooting.
Resources like YouTube videos (Furrion Tankless Water Heater Controller Replacement V1)
and parts lists (Furrion 1500W Fireplace Parts List)
are available to assist you with your Furrion appliance.
Furrion has emerged as a prominent innovator in the realm of recreational vehicle (RV) and marine appliances, and their tankless water heaters represent a significant advancement in on-demand hot water technology. Unlike traditional tank water heaters that continuously heat and store water, Furrion tankless systems heat water only when it’s needed, offering substantial benefits in terms of energy efficiency and space saving.
These units are designed for convenience and reliability, providing a consistent supply of hot water for showers, sinks, and other applications. Furrion tankless water heaters are available in various models, catering to different BTU outputs and flow rates to suit diverse needs. Understanding the specific features and operation of your Furrion model is crucial for optimal performance and longevity. Resources like online videos, such as the Furrion Tankless Water Heater Controller Replacement V1, can be invaluable for visual learners.
This comprehensive guide will walk you through every aspect of owning and maintaining a Furrion tankless water heater, from initial setup and operation to troubleshooting common issues and performing essential maintenance tasks. Proper installation and adherence to safety guidelines are paramount for ensuring safe and efficient operation.
Understanding the Benefits of Tankless Systems
Tankless water heaters offer a compelling alternative to traditional storage tank systems, delivering numerous advantages for RV and marine applications. The most significant benefit is unlimited hot water – as long as there’s a water supply, you won’t run out of hot water, unlike tank heaters with limited capacity.
Energy efficiency is another key advantage. Tankless heaters only operate when hot water is needed, eliminating the standby heat loss associated with constantly heating a tank of water. This translates to lower energy consumption and reduced operating costs. Furthermore, tankless units are considerably more compact, freeing up valuable space within your RV or boat.

Extended lifespan is also a benefit; tankless heaters typically last longer than tank heaters due to fewer components prone to failure. While maintenance is still required, it’s often less frequent and less costly. Resources like parts lists, such as the Furrion 1500W Fireplace Parts List, can aid in future repairs. Understanding these benefits will help you maximize your investment in a Furrion tankless system.
Furrion Model Overview: Identifying Your Unit
Furrion offers a range of tankless water heaters designed for various RV and marine applications. Accurate model identification is crucial for accessing the correct documentation, parts, and support. Furrion models are typically designated by a series number and wattage rating, such as the 1500W series. Common models include both indoor and outdoor units, with varying BTU outputs to suit different needs.
Locate the model number on the unit’s label, usually found on the side or back panel. This label also contains important information like the serial number and voltage requirements; Referencing this information when contacting Furrion customer service or ordering replacement parts is essential. Resources like YouTube videos, such as Furrion Tankless Water Heater Controller Replacement V1, often specify the compatible models.
Understanding your specific model allows you to tailor maintenance and troubleshooting efforts. Knowing whether you have a gas or electric model, and its specific wattage, will guide you through the appropriate procedures outlined in this manual.
Key Components of a Furrion Tankless Water Heater
A Furrion tankless water heater comprises several key components working in unison to deliver on-demand hot water. The heat exchanger is central, rapidly heating water as it flows through. Ignition system (for gas models) or heating elements (for electric models) initiate and maintain the heating process. A flow sensor detects water flow, activating the heating mechanism only when water is needed.
The control board acts as the brain, managing temperature settings, safety features, and displaying error codes. A temperature sensor provides feedback to the control board, ensuring accurate temperature regulation. Inlet and outlet connections facilitate water flow, while a pressure relief valve prevents excessive pressure buildup.
Furthermore, models often include a filter to protect internal components from sediment, and an anode rod (in some models) to prevent corrosion. Understanding these components, particularly when referencing resources like Furrion 1500W Fireplace Parts List for potential replacements, is vital for maintenance and repair.
Control Panel Functions and Display Codes
The Furrion tankless water heater control panel is your interface for operation and monitoring. Typically, it features power buttons, temperature adjustment controls (often up/down arrows), and a digital display. The display shows the set temperature, incoming water temperature, and any active error codes.

Temperature control allows you to select your desired hot water temperature, usually in Fahrenheit or Celsius. Some models offer flow rate adjustment, influencing the water pressure and temperature. Understanding the display codes is crucial for troubleshooting. These codes indicate specific issues, such as low water pressure, overheating, or ignition failures.
Refer to your specific model’s manual for a complete list of error codes and their meanings. Resources like troubleshooting guides (potentially found alongside Furrion Tankless Water Heater Controller Replacement V1 videos) can help decode these messages and guide you towards solutions. Proper interpretation of these codes ensures efficient operation and timely maintenance.
Installation Requirements and Guidelines
Proper installation is critical for the safe and efficient operation of your Furrion tankless water heater. Always consult a qualified technician for installation, especially for gas models. Key requirements include adequate ventilation (for gas units) to prevent carbon monoxide buildup, and appropriate gas line sizing to ensure sufficient fuel supply.
Water supply lines must be compatible with the heater and free of debris. Electrical connections require proper grounding and adherence to local electrical codes. The unit should be mounted on a stable, non-combustible surface, protected from the elements. Ensure sufficient clearance around the unit for maintenance and airflow.
Review the detailed installation manual specific to your Furrion model. Resources like parts lists (found with Furrion 1500W Fireplace Parts List information) can help identify necessary components. Ignoring these guidelines can void the warranty and create hazardous conditions.
Initial Startup and Flushing Procedure
Before first use, a thorough flushing procedure is essential to remove any manufacturing debris from the Furrion tankless water heater. Begin by fully opening the cold water inlet valve, allowing water to flow through the unit for several minutes. This initial flush will dislodge any residual particles.
Next, carefully turn on the heater and run hot water through the system, continuing the flushing process. Inspect the water for any discoloration or debris. Repeat this process until the water runs clear and free of contaminants. Caution: The water may initially be hot, so exercise care.
Refer to your model-specific manual for detailed instructions and recommended flushing durations. Resources like controller replacement guides (Furrion Tankless Water Heater Controller Replacement V1) highlight the importance of a properly functioning system. A complete flush ensures optimal performance and extends the lifespan of your Furrion heater.
Operating Instructions: Setting Temperature and Flow Rate
Furrion tankless water heaters offer precise temperature control and adjustable flow rates for customized comfort. Utilize the control panel to set your desired water temperature, typically ranging from 85°F to 120°F. Start with a moderate setting and adjust incrementally to achieve your preferred warmth.
The flow rate determines the water pressure and volume delivered. Higher flow rates provide more water but may result in a slightly lower temperature, while lower flow rates increase temperature but reduce volume. Experiment to find the optimal balance for your needs.
Remember to consult your specific model’s manual for detailed instructions on control panel operation and display code interpretations. Resources like controller replacement videos (Furrion Tankless Water Heater Controller Replacement V1) demonstrate the system’s functionality. Proper adjustment ensures efficient and enjoyable hot water usage.
Winterization Procedures: Protecting from Freezing
Protecting your Furrion tankless water heater from freezing temperatures is crucial to prevent damage. When temperatures drop below freezing, water inside the unit can expand, causing cracks and malfunctions. Thorough winterization is essential, especially in colder climates.
Begin by draining all water from the heater and associated pipes. This includes disconnecting the water inlet and outlet lines and opening drain valves. Consider using compressed air to blow out any remaining water. Antifreeze specifically designed for plumbing systems (non-toxic RV antifreeze is recommended) should then be circulated through the unit.

Consult your Furrion model’s manual for specific winterization steps. Resources like controller replacement guides (Furrion Tankless Water Heater Controller Replacement V1) can offer insights into system components. Proper winterization ensures your heater is ready for use when warmer weather returns.
Troubleshooting Common Issues
Encountering issues with your Furrion tankless water heater is sometimes unavoidable. This section addresses common problems and potential solutions. No hot water is often caused by a tripped circuit breaker, a gas supply issue (for gas models), or a faulty igniter. Low water pressure can stem from clogged filters, partially closed valves, or issues with your water supply.

Error codes displayed on the control panel provide valuable diagnostic information. Refer to your manual to decode these messages – understanding the code pinpoints the problem. Resources like controller replacement videos (Furrion Tankless Water Heater Controller Replacement V1) can help identify component failures.
Always prioritize safety. If you’re uncomfortable troubleshooting electrical or gas components, contact a qualified technician. Regular maintenance, as outlined in the manual, can prevent many common issues and extend the life of your Furrion heater.
No Hot Water: Potential Causes and Solutions
A lack of hot water from your Furrion tankless heater can be frustrating. Several factors could be at play. First, check the power supply – a tripped circuit breaker is a common culprit. For gas models, verify the gas supply is turned on and there are no leaks. A faulty igniter can also prevent ignition.

Low water flow can mimic a lack of hot water. Ensure inlet water filters aren’t clogged, restricting water passage. Air in the lines can also cause intermittent hot water. Try running hot water at multiple fixtures to purge any trapped air.
If the unit powers on but doesn’t heat, the heat exchanger might be failing. Controller issues, as shown in resources like Furrion Tankless Water Heater Controller Replacement V1, can also be the cause. If these steps don’t resolve the issue, consult a qualified technician.
Low Water Pressure: Diagnosis and Fixes
Insufficient water pressure is a frequent concern with tankless heaters, impacting performance. Begin by checking the inlet water pressure; Furrion heaters typically require a minimum pressure for optimal operation. A pressure gauge connected to the inlet pipe will provide an accurate reading.
Clogged inlet filters are a primary cause. Regularly inspect and clean or replace these filters to ensure unrestricted water flow. Partially closed shut-off valves on the water supply lines can also restrict pressure. Fully open all valves connected to the heater.
Consider whether other appliances are simultaneously drawing water, reducing pressure available to the heater. Scale buildup within the heat exchanger can also contribute to reduced flow. Periodic descaling, as part of routine maintenance, can address this. Resources like troubleshooting guides may offer further insights into controller-related pressure issues, similar to those discussed in Furrion Tankless Water Heater Controller Replacement V1.
Error Codes: Decoding the System Messages
Furrion tankless water heaters utilize error codes to signal malfunctions, aiding in diagnosis and repair; These codes appear on the control panel display, providing specific information about the issue. Consult your model’s specific error code list within the full manual for accurate interpretations – codes vary between units.
Common codes relate to ignition failure (indicating gas supply or ignition component problems), overheat protection (suggesting airflow obstruction or excessive temperature), and low water flow (pointing to inlet restrictions or pump issues). Flame sensor errors can also occur, requiring inspection of the sensor and burner assembly.
Referencing online resources, such as troubleshooting videos like Furrion Tankless Water Heater Controller Replacement V1, can supplement the manual’s information. Note the code, power cycle the unit, and if the error persists, contact Furrion support for assistance. Ignoring error codes can lead to further damage or unsafe operation.
Furrion Tankless Water Heater Controller Replacement
Replacing the control panel on your Furrion tankless water heater might be necessary if it’s damaged, malfunctioning, or displaying persistent error codes. This process requires careful attention to detail and adherence to safety precautions. Always disconnect power (both AC and gas, if applicable) before beginning any repairs.
The replacement typically involves removing the unit’s exterior casing to access the control panel. Disconnect the wiring harness connected to the old controller, carefully noting the wire configuration for correct re-connection; Install the new controller, ensuring a secure fit and proper wiring.
Resources like the video Furrion Tankless Water Heater Controller Replacement V1 can provide a visual guide. After installation, thoroughly test the unit to confirm proper operation and verify all functions are working correctly. If unsure, consult a qualified technician.
Replacing the Control Board: A Step-by-Step Guide
Step 1: Safety First! Disconnect all power sources – AC and gas (if applicable) – to the Furrion tankless water heater. Step 2: Access the Control Board Remove the exterior casing, typically secured with screws, to reveal the internal components.
Step 3: Disconnect Wiring Carefully disconnect all wiring harnesses connected to the existing control board. Document the wiring configuration with photos or notes to ensure correct re-connection. Step 4: Remove the Old Board Unscrew and gently remove the faulty control board.
Step 5: Install the New Board Position the new control board and secure it with screws. Step 6: Reconnect Wiring Reconnect all wiring harnesses, referencing your documentation from Step 3. Step 7: Reassemble & Test Reattach the exterior casing and restore power. Test all functions to confirm proper operation. Refer to resources like Furrion Tankless Water Heater Controller Replacement V1 for visual guidance.
Maintenance Schedule: Ensuring Longevity

Monthly: Visually inspect the unit for any leaks or damage. Check all gas (if applicable) and water connections for tightness. Quarterly: Flush the system to remove sediment buildup. This prevents reduced efficiency and potential damage. Inspect the air intake and exhaust vents for obstructions, ensuring proper ventilation.
Annually: Perform a thorough descaling process to remove mineral deposits. This is crucial for maintaining optimal performance. Inspect the anode rod (if equipped) for corrosion and replace if necessary – this protects the tank from rust. Check the filter (if applicable) and replace it to maintain water quality.
Every 2-3 Years: Consider a professional inspection to identify potential issues before they escalate. Regular maintenance, as outlined, will significantly extend the lifespan of your Furrion tankless water heater. Resources like parts lists (Furrion 1500W Fireplace Parts List) can help with replacement components.
Cleaning and Descaling the Unit

Regular cleaning is vital for maintaining your Furrion tankless water heater’s efficiency. Begin by disconnecting the power and water supply. Prepare a descaling solution using white vinegar and water (follow the heater’s manual for the correct ratio). Flush the system with the solution, allowing it to circulate for approximately 30-60 minutes.
Flushing Procedure: After descaling, thoroughly flush the system with clean water until the vinegar smell is completely gone. This ensures no residual acidity remains. Inspect the burner assembly (for gas models) and clean any debris. For electric models, check the heating elements for mineral buildup.
Preventative Measures: Consider using a water softener if you have hard water, reducing scale formation. Resources like controller replacement guides (Furrion Tankless Water Heater Controller Replacement V1) highlight the importance of a well-maintained system. Consistent cleaning extends the heater’s life and optimizes performance.
Filter Replacement: Maintaining Water Quality
Maintaining optimal water quality is crucial for the longevity of your Furrion tankless water heater. The unit incorporates a filter to prevent sediment and debris from entering the system, protecting internal components. Regular filter replacement is essential – typically every 6-12 months, depending on water hardness and usage.
Replacement Procedure: First, shut off the water supply to the heater. Locate the filter housing (refer to your model’s specific manual). Unscrew the housing and remove the old filter. Clean the housing thoroughly before inserting a new, compatible filter. Ensure the filter is correctly seated and the housing is securely tightened to prevent leaks.
Importance of Clean Water: Using a clean filter prevents scale buildup, improves heating efficiency, and safeguards against potential damage. Resources like parts lists (Furrion 1500W Fireplace Parts List) can help you identify the correct filter for your model. Consistent filter changes contribute to a reliable and efficient hot water supply.
Anode Rod Inspection and Replacement
Protecting your Furrion tankless water heater from corrosion is vital for its lifespan. The anode rod, a sacrificial metal, attracts corrosive elements, shielding the tank itself. Regular inspection – annually is recommended – is crucial to assess the rod’s condition. If significantly depleted (more than 6 inches of core wire exposed, or heavily corroded), replacement is necessary.
Replacement Procedure: Begin by shutting off the water and power supply. Locate the anode rod access point (consult your model’s manual). Carefully remove the old anode rod; it may be difficult if heavily corroded. Clean the opening and apply pipe thread sealant to the new rod’s threads. Install the new anode rod, tightening securely.
Importance of Anode Rod: A functioning anode rod prevents tank failure and extends the heater’s life. While the provided resources (Furrion 1500W Fireplace Parts List) don’t directly detail anode rods, understanding their role is key to long-term maintenance. Ignoring this step can lead to costly repairs or replacement.
Safety Precautions and Warnings
Prioritize safety when installing, operating, and maintaining your Furrion tankless water heater. Always disconnect both the water and electrical (or gas) supply before performing any maintenance or repairs. Never attempt repairs you are not qualified to perform; consult a professional.
Risk of Scalding: Tankless heaters deliver water at very high temperatures. Always set the temperature to a safe level, especially for households with children or elderly individuals. Be cautious of hot water discharge during operation and maintenance.
Carbon Monoxide Hazard (Gas Models): Ensure proper ventilation when using gas models to prevent carbon monoxide buildup. Install carbon monoxide detectors in the vicinity of the heater. Refer to gas connection guidelines for safe installation practices. Resources like installation videos (Furrion Tankless Water Heater Controller Replacement V1) highlight the importance of correct setup. Ignoring these warnings can lead to serious injury or property damage.
Electrical Requirements and Grounding
Proper electrical connection is crucial for safe and efficient operation of your Furrion tankless water heater. Verify your electrical system meets the heater’s voltage and amperage requirements, typically 120V or 240V, and a dedicated circuit is recommended. Consult a qualified electrician for installation and to ensure compliance with local electrical codes.
Grounding is essential for preventing electrical shock. The heater must be properly grounded according to the National Electrical Code (NEC) or applicable local regulations. Never operate the heater with a damaged or missing ground wire. Ensure the grounding wire is securely connected to a grounded electrical outlet or a dedicated grounding rod.
Incorrect wiring can cause malfunction, fire hazard, or void the warranty. Resources like installation guides and videos (Furrion Tankless Water Heater Controller Replacement V1) often demonstrate proper wiring procedures. Always prioritize electrical safety and professional assistance when needed.

Gas Connection Guidelines (for Gas Models)
Gas connection for Furrion tankless water heaters must be performed by a qualified and licensed gas technician. Improper installation can lead to dangerous gas leaks, fire, or carbon monoxide poisoning. Always adhere to local gas codes and regulations.

Before connecting, verify the gas supply type (propane or natural gas) matches the heater’s specifications. Use only approved gas piping materials and fittings. Apply gas-rated pipe joint compound or Teflon tape to all threaded connections to prevent leaks. Inspect all connections for leaks using a soap and water solution after installation.
A manual shut-off valve should be installed upstream of the heater for easy access in emergencies. Ensure proper ventilation to prevent carbon monoxide buildup. Resources like installation manuals and online videos (Furrion Tankless Water Heater Controller Replacement V1) can provide visual guidance, but professional installation is strongly recommended for gas connections.
Warranty Information and Support Resources
Furrion tankless water heaters are backed by a limited warranty, covering defects in materials and workmanship. The warranty period varies depending on the specific model; refer to your product’s documentation for details. Warranty coverage typically excludes damage caused by improper installation, misuse, or lack of maintenance.
To initiate a warranty claim, retain your proof of purchase and contact Furrion Customer Service. Support resources are readily available online, including FAQs, troubleshooting guides, and downloadable manuals. Online communities and forums can also offer peer-to-peer support and advice.
Furrion’s website provides access to replacement parts and authorized service centers. YouTube videos, such as (Furrion Tankless Water Heater Controller Replacement V1), can assist with basic repairs. Contacting Furrion directly ensures you receive accurate and up-to-date information regarding your warranty and support needs.
Contacting Furrion Customer Service
Furrion offers multiple channels for customer support, ensuring assistance is readily available when you need it. For immediate assistance, you can reach their support team via phone during business hours. Email support is also available, providing a convenient way to submit detailed inquiries and documentation.
Furrion’s website features a comprehensive support section with FAQs, troubleshooting guides, and downloadable manuals. Live chat functionality may be available on their website for real-time assistance with common issues. Social media channels, while not a primary support avenue, can sometimes provide quick responses to general questions.
When contacting Furrion, have your model number and proof of purchase readily available. This will expedite the support process. Referencing online resources, like (Furrion Tankless Water Heater Controller Replacement V1), before contacting support can help you articulate your issue more effectively. Detailed descriptions of the problem and any error codes are also beneficial.
Finding Replacement Parts
Securing genuine Furrion replacement parts is crucial for maintaining the performance and safety of your tankless water heater. Furrion’s official website is the primary source for authentic parts, offering a dedicated parts store with detailed diagrams and part numbers. Authorized Furrion dealers also stock a range of common replacement components.
When searching for parts, having your model number is essential to ensure compatibility. Online retailers may offer Furrion parts, but verifying the seller’s authenticity is vital to avoid counterfeit or substandard components. Parts lists, such as those for Furrion fireplaces (Furrion 1500W Fireplace Parts List), can provide valuable insight into component identification.
Consider the specific issue when ordering parts; for controller replacements, resources like (Furrion Tankless Water Heater Controller Replacement V1) can aid identification. Always prioritize genuine Furrion parts to uphold warranty validity and ensure optimal system functionality.















































































