TANKLESS WATER HEATER REPLACEMENT CHILLIWACK
- Residential Tankless Water Heater Replacement, Upgrades & Professional Installation
Time to replace your existing tankless water heater? Armacom Plumbing & Heating provides professional residential tankless water heater replacement throughout Chilliwack, including equipment selection, proper sizing, removal of the existing unit and installation of your new high-efficiency system.

Call Now
Need Tankless Replacement? Speak directly with an experienced plumber about replacing your existing tankless water heater.

Request Estimate
Planning a tankless installation or conversion? Request an estimate from Armacom.

Tankless Installation
Professional sizing and installation of high-efficiency residential tankless water heaters.

Maintenance & Descaling
Professional maintenance to help protect your new tankless water heater and maintain performance.

Financing Available
Explore financing options for qualifying tankless water heater replacement projects.
TANKLESS WATER HEATER REPLACEMENT IN CHILLIWACK
When an existing tankless water heater becomes unreliable, requires frequent repairs or reaches the point where a major repair no longer makes financial sense, replacement may be the better long-term option.
Armacom Plumbing & Heating provides professional residential tankless water heater replacement throughout Chilliwack. We assess your existing system, household hot water demand, gas supply, venting and installation conditions before recommending replacement equipment.
Replacing an existing tankless system also provides an opportunity to review newer high-efficiency equipment, improved controls, recirculation options and whether the original system was properly sized for your home
SIGNS IT MAY BE TIME TO REPLACE YOUR TANKLESS WATER HEATER
✓ Frequent or increasingly expensive repairs
✓ Repeated error codes or shutdowns
✓ Unreliable or inconsistent hot water
✓ Major component or heat exchanger problems
✓ Replacement parts becoming difficult to obtain
✓ Visible deterioration or leaking
✓ Existing unit is incorrectly sized for the home
✓ Older equipment with declining performance
✓ Changes to household hot water demand
✓ Repair cost is becoming significant compared with replacement
Not sure whether to repair or replace it? Armacom can diagnose the existing tankless water heater first and explain both options when they’re practical. We won’t recommend replacement simply because the system has developed a repairable problem.
For additional information about natural gas appliances and energy efficiency, homeowners can also review resources provided by FortisBC.
REPLACING AN EXISTING TANKLESS WATER HEATER
Replacing an older tankless water heater isn’t always as simple as installing a new unit in exactly the same location. Equipment specifications, venting requirements, gas connections, condensate drainage and controls can differ between manufacturers and between older and newer models.
Before replacing the system, Armacom Plumbing & Heating evaluates the existing installation and confirms that the new tankless water heater is properly sized for your household’s current hot water needs. We also assess whether existing gas piping, venting, water connections and other components can be reused or need modification.
This provides an opportunity to correct problems with an older installation and ensure the replacement system is properly configured for your home.
BEFORE REPLACEMENT
We assess:
✓ Existing tankless equipment
✓ Household hot water demand
✓ Required flow rate and capacity
✓ Existing gas supply
✓ Venting configuration
✓ Water piping and connections
✓ Condensate drainage
✓ Recirculation system, if equipped
DURING INSTALLATION
Replacement may include:
✓ Removal of the existing unit
✓ Installation of the new tankless system
✓ Required gas piping modifications
✓ Venting modifications where required
✓ New water connections as needed
✓ Condensate drainage modifications
✓ Control/recirculation setup
✓ Testing and commissioning
Already have tankless? Replacing an existing system can often be more straightforward than converting from a conventional hot water tank because much of the necessary infrastructure may already be present. However, compatibility should always be confirmed before assuming existing components can be reused.
CHOOSING YOUR REPLACEMENT TANKLESS WATER HEATER
Replacing an existing tankless water heater doesn’t necessarily mean installing the same brand or model again. Newer equipment may offer different efficiency levels, capacities, controls and recirculation features, while changes in venting or installation requirements can also affect which replacement is best suited to your home.
Armacom Plumbing & Heating works with several leading tankless water heater manufacturers, allowing us to compare suitable replacement options based on your existing installation, household hot water demand, available gas supply and budget.

Navien
High-efficiency residential tankless systems with multiple capacity and recirculation options for replacement installations.

Noritz
High-efficiency condensing tankless systems with options suitable for residential replacement applications.

Rinnai
A broad selection of residential tankless systems offering different capacities, efficiency levels and control options.

IBC
High-efficiency tankless water heating equipment with residential replacement options available for suitable applications.

Rheem
Residential tankless water heaters available in several capacities for replacing aging or unreliable equipment.

Bradford White
Professional-grade residential tankless water heating options for qualifying replacement installations.
DO I HAVE TO REPLACE MY TANKLESS WITH THE SAME BRAND?
Not necessarily. In some situations, replacing an older unit with a newer model from the same manufacturer may simplify parts of the installation. In other homes, a different manufacturer or model may provide a better combination of capacity, efficiency, features and long-term value.
We evaluate compatibility before recommending equipment because existing venting, gas connections, water piping, condensate drainage and controls may need modification when changing equipment.
Tankless Water Heater Replacement Chilliwack services may be recommended when an older unit has recurring faults, declining performance, or repair costs that no longer make sense.
REPAIR OR REPLACE YOUR TANKLESS WATER HEATER?
A tankless water heater problem doesn’t automatically mean the equipment needs to be replaced. If the system is otherwise in good condition and the problem can be repaired economically, repairing the existing unit may still provide the best value.
Replacement becomes more attractive when repairs are becoming frequent, major components are failing, parts are difficult to obtain or the existing equipment no longer meets your home’s needs.
CONSIDER REPAIR WHEN
✓ The system is otherwise reliable
✓ The problem can be clearly diagnosed
✓ Replacement parts are available
✓ Repair costs are reasonable
✓ The equipment has been properly maintained
✓ There are no major installation concerns
CONSIDER REPLACEMENT WHEN
✓ Repairs are becoming frequent
✓ A major component has failed
✓ Repair costs are becoming significant
✓ Parts are obsolete or difficult to obtain
✓ The existing unit is incorrectly sized
✓ Reliability or performance has noticeably declined
Not sure which option makes sense? Armacom can diagnose your existing system before you commit to replacement. If repair is the more practical option, we’ll tell you.
WHAT CHILLIWACK HOMEOWNERS SAY ABOUT ARMACOM
Choosing whether to repair or replace a tankless water heater can be a significant decision. See what Chilliwack homeowners have to say about Armacom’s workmanship, service and straightforward recommendations.
⭐⭐⭐⭐⭐ Trusted by Homeowners & Businesses Across Chilliwack and Abbotsford
See why homeowners, property managers, and businesses across Chilliwack and Abbotsford continue to choose Armacom Plumbing & Heating for reliable plumbing, gas fitting, drain cleaning, water heaters, and commercial plumbing services.






FLEXIBLE FINANCING FOR TANKLESS WATER HEATER REPLACEMENT
Replacing a tankless water heater can be an unexpected household expense, particularly when an older system fails and replacement is more practical than another major repair.
Armacom Plumbing & Heating offers financing options through Financeit for qualifying homeowners, allowing eligible tankless water heater replacement projects to be paid for over time rather than entirely upfront.
Upgrade your home’s plumbing now and pay over time.
Armacom Plumbing & Heating offers in-house financing through Financiet for qualified repiping projects. Whether you’re replacing aging Poly-B plumbing, repiping your entire home, or completing a major renovation, financing can help spread the cost into affordable monthly payments.
- Quick application process
- Flexible payment options
- Available on qualified projects
- Ask us for details during your free estimate
FINANCING MAY HELP COVER:
✓ New tankless water heater equipment
✓ Professional installation
✓ Required gas piping modifications
✓ Venting modifications
✓ Water piping and connections
✓ Other qualifying installation costs
Financing is subject to approval and applicable terms. Visit our Plumbing Financing page to learn more about available financing options.
TANKLESS WATER HEATER REPLACEMENT FAQS
Have questions about replacing an aging or unreliable tankless water heater? Here are answers to common questions from Chilliwack homeowners considering tankless water heater replacement.
Frequent repairs, repeated error codes, declining performance, leaking, difficulty obtaining replacement parts or a major component failure can all be reasons to consider replacement. Age alone doesn’t necessarily mean a tankless water heater needs replacing. Armacom can assess the existing system and help determine whether repair or replacement makes better financial sense.
Tankless water heater service life varies depending on the manufacturer, model, installation, water quality, household usage and maintenance history. Regular maintenance and descaling can help protect system performance, but eventually repairs and aging components may make replacement the more practical option.
Often, yes. Many tankless water heater problems can be diagnosed and repaired without replacing the entire system. If repair is practical and provides good value, Armacom will explain that option rather than recommending unnecessary replacement. Learn more at Tankless Water Heater Repair Chilliwack.
No. Depending on the existing installation, you may be able to replace your tankless water heater with equipment from a different manufacturer. Armacom works with Navien, Rinnai, Rheem, Noritz, Bradford White and IBC and can compare suitable options for your home.
Sometimes. Existing gas piping, venting and other components may be suitable for the replacement equipment, but compatibility needs to be confirmed. Different manufacturers and models can have different installation requirements, so we evaluate the existing system before determining what can safely remain.
Replacement time depends on the existing installation and the equipment selected. A straightforward replacement may require fewer modifications, while changing manufacturers, relocating equipment or modifying gas piping, venting, condensate drainage or water connections can increase the amount of work required. We can explain the expected scope after assessing the installation.
Yes. Armacom Plumbing & Heating is licensed and insured to provide professional plumbing and gas fitting services. Residential tankless water heater replacements are completed in accordance with applicable requirements and manufacturer installation specifications.
Armacom Plumbing & Heating provides residential tankless water heater replacement throughout Chilliwack, including Sardis, Vedder Crossing, Garrison Crossing, Promontory, Fairfield Island, Downtown Chilliwack, Greendale, Yarrow, Rosedale and surrounding Chilliwack communities.
RELATED TANKLESS & WATER HEATER SERVICES
Whether your tankless water heater needs repair, maintenance or replacement, Armacom Plumbing & Heating provides complete residential water-heating services throughout Chilliwack. Explore related services for your home’s hot water system.
Armacom Plumbing & Heating provides professional Tankless Water Heater Replacement Chilliwack homeowners can rely on when an existing tankless system becomes unreliable, outdated or no longer economical to repair.

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Diagnosis and repair for error codes, ignition problems, temperature issues and other tankless water heater concerns.

Tank-to-Tankless Conversion
Replace a conventional hot water tank with a professionally sized tankless water heating system.

Tankless Water Heater Repair
Professional diagnostics and repair for error codes, ignition problems, temperature issues and other tankless problems.

Water Heater Installation
Professional conventional hot water tank installation for Chilliwack homes.

Tankless Maintenance & Descaling
Professional flushing, descaling and preventative maintenance for residential tankless water heaters.

Plumbing Financing
Explore financing options for qualifying tankless water heater replacement and installation projects.
READY TO REPLACE YOUR TANKLESS WATER HEATER?
If your existing tankless water heater is becoming unreliable, requiring frequent repairs or no longer meeting your household’s hot water needs, Armacom Plumbing & Heating can help you determine the right next step.
We’ll assess your existing system, explain whether repair or replacement makes sense and help you select a properly sized replacement tankless water heater for your Chilliwack home.

Call Now
Speak directly with an experienced plumber about your existing tankless water heater.

Request Estimate
Planning a tankless replacement? Request an estimate for your Chilliwack home.

Contact Us
Have questions about replacing your tankless water heater? Contact Armacom for professional advice.
Contact Armacom Plumbing & Heating to discuss Tankless Water Heater Replacement Chilliwack, tank-to-tankless conversions, replacement options and residential tankless upgrades.
For professional Tankless Water Heater Replacement Chilliwack homeowners can contact Armacom Plumbing & Heating to assess the existing system and discuss suitable replacement options.
GET IN TOUCH TODAY
Contact us today to schedule an appointment and experience the Armacom difference for yourself.
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