Boiler (On-Demand/Tankless Water Heater)
A boiler or on-demand/tankless water heater provides instant hot water for domestic use without storing it in a tank. These energy-efficient systems heat water as needed, eliminating standby energy losses associated with traditional tank systems. They are compact, durable, and provide a continuous hot water supply when sized appropriately for the household demand. Proper installation, maintenance, and water quality management are essential for long-term performance.
Warrantability
Alberta New Home Warranty Standards:
- 1-Year Workmanship and Materials: Covers installation issues involving improper venting, leaky fittings, misaligned connections, or material defects that result in performance problems.
- 2-Year Mechanical Systems (Distribution System): Covers defects in plumbing distribution systems relating to the tankless water heater, including leaks, flow issues, or improperly connected piping components.
- Limitations: Excludes issues arising from homeowner neglect, improper maintenance, or system misuse.
Builder's Warranty:
- Covers plumbing and components connected to the boiler for 2 years, including piping, venting, and connections. Issues caused by improper installation, such as leaks, inadequate water or gas supply, or vent blockages, are also included.
- Limitations: Excludes physical damage caused by the homeowner, misuse, or external environmental factors.
Manufacturer's Warranty:
- Tankless water heaters typically include coverage for 10–15 years for the heat exchanger and 1–5 years for other components (e.g., control panel, sensors, or ignition systems).
- Warranties cover internal component malfunctions and durability issues but exclude damages caused by poor maintenance or improper installation.
Maintenance
- Flush the System: Descale the heat exchanger annually (or biannually in hard water areas) using a manufacturer-approved descaling solution or a water softener to reduce mineral buildup.
- Clean the Filter(s): Check and clean the unit's inlet water filter to remove sediment and debris.
- Inspect the Venting System: Ensure that the vent pipes are properly sealed and unobstructed. Flue blockages can lead to performance issues or safety hazards.
- Test the Temperature Settings: Verify that the set temperature is appropriate for safe household use (usually 120–140°F).
- Monitor Error Codes: Review the unit's error codes to identify and address performance alerts before they become major problems.
- Materials Needed:
Descaling solution, bucket, hose connections for flushing, water softener (optional), and a wrench for component adjustments.
Common Issues, Causes, Warrantability, and Repair Solutions
1. No Hot Water or Water Temperature Fluctuations
Causes:
- Improper installation, such as incorrect gas or water line connections.
- Blocked filters or buildup in the heat exchanger reducing efficiency.
- Temperature settings or flow rates exceeding system capacity.
Warrantability:
- Alberta New Home Warranty: Covered due to installation-related errors like calibration issues (1 Year). Covered if inconsistent water temperatures result from delivery system defects impacting heating performance (2 Years).
- Builder Warranty: Covered for 2 years under the distribution and delivery system warranty if the issue results from a failed connection or part failure.
- Manufacturer Warranty: Covered if no hot water is caused by material defects, such as faulty heat exchangers or burners.
Repair Solution:
- If within warranty period: Contact serviceQ for inspection and resolution of the issue.
- If outside warranty: Clean filters, descale the heat exchanger, reset temperature settings, or consult a technician to address gas supply or heating element faults.
2. Water Leaks from the Unit or Plumbing Connections
Causes:
- Improper sealing of connections during installation leading to leaks in water or gas lines.
- Internal component failure, such as cracked heat exchanger tubes or seals.
Warrantability:
- Alberta New Home Warranty: Covered if leaks result from installer errors, such as loose or insufficient connections (1 Year). Covered if water or gas leaks compromise system performance due to defects in heating or distribution systems (2 Years).
- Builder Warranty: Builders must repair leaks caused by faulty connections or installation practices during the first 2 years.
- Manufacturer Warranty: Covered if leaks result from cracks or defects in materials, such as heat exchangers or boiler seals.
Repair Solution:
- If within warranty period: Contact serviceQto inspect and replace faulty connections or components.
- If outside warranty: Tighten fittings, replace cracked seals, and inspect for hidden leaks within internal systems. For persistent leaks, consult a plumber or technician for detailed repairs.
3. Error Codes or Malfunctioning Control Panels
Causes:
- Faulty electrical connections during installation or damage to the control board.
- Internal system faults such as overheating, clogged waterlines, or gas pressure irregularities causing safety lockouts.
Warrantability:
- Alberta New Home Warranty: Covered if error codes or panel malfunctions stem from improper installation (1 Year). Covered if error codes result from delivery system defects affecting heat or water distribution (2 Years).
- Builder Warranty: Must address issues caused by misconfigured electrical or gas lines during the first 2 years.
- Manufacturer Warranty: Covered if caused by defective control panels or internal electrical components.
Repair Solution
- If within warranty period: Contact serviceQ for system diagnostics and replacement of faulty or poorly installed components.
- If outside warranty: Reset the system by following the boiler's manual instructions. Clean filters to remove obstructions. Contact a technician for advanced troubleshooting, such as repairing or replacing the control board.
4. Unusual Noises (Gurgling, Whistling, or Banging)
Causes:
- Air trapped in waterlines or gas entry points creating pressure changes.
- Scale buildup inside the heat exchanger or pipes reducing flow efficiency.
- Improper mounting or faulty installation leading to vibrations.
Warrantability:
- Alberta New Home Warranty: Covered if noise is related to poor installation practices (1 Year). Covered if noises arise from heating system inefficiencies caused by installation flaws (2 Years).
- Builder Warranty: Widely dependent on the cause of the noise, may not be covered under the builder warranty. If noise is due to lack of maintenance, this is not covered.
- Manufacturer Warranty: Excluded unless noises are caused by defective internal components.
Repair Solution:
- If within warranty period: Contact serviceQ for inspection and to rebalance or secure components causing noise.
- If outside warranty: Bleed air from waterlines, descale internal components, or tighten loose mounts and fittings. Hire a technician for advanced diagnostics if noise persists.
5. Bad odors coming from the refrigerator
Causes:
- Spoiled food or spilled liquids causing lingering odors.
- Clogged drains with debris or mold growth.
- Dirty or saturated water filters (in models with water dispensers).
- Poor airflow and high humidity levels leading to mold or mildew inside the fridge.
Warrantability:
- Odors are typically considered a maintenance issue and are not covered under most warranties.
Repair Solution:
- Clean the interior thoroughly with a solution of baking soda and water.
- Unclog and sanitize the drain line to remove any mold or debris.
- Replace the water filter if it is clogged or expired.
- Place a box of baking soda inside the fridge to absorb odors.
Disclaimer: The information provided on this website is for general guidance only and does not constitute legal, technical, or warranty advice and Qualico and its affiliated companies make no warranty whatsoever with respect to such information, including (but not limited to) for fitness for a particular purpose. Product warranties are governed by manufacturers’ terms and conditions, and proper maintenance is required to uphold functionality and coverage. Qualico and its affiliated companies are not liable for any injury (personal or otherwise), harm, personal damage, or property damage caused by (i) the use or misuse of, (ii) neglect related to, or (iii) unforeseen events related to, the information provided above. For specific warranty and maintenance details, please refer to the manufacturer’s documentation.
