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Water Heater Maintenance Tips for Scarborough Homeowners — Annual Service Guide
Proper water heater maintenance extends system life, maintains efficiency, and prevents unexpected failures. Here’s what Scarborough homeowners should do annually for both tank and tankless water heaters.
Annual Water Heater Maintenance: Tank Units in Scarborough
- Test pressure relief valve (PRV): Lift the lever briefly and release. It should snap closed. A PRV that doesn’t close or continuously drips needs replacement ($100–$200).
- Flush sediment: Connect a hose to the drain valve and flush 10–15 gallons. Scarborough’s moderate water hardness (200+ mg/L) causes significant sediment over time.
- Check anode rod (every 3–5 years): Depleted anode rods lead to tank corrosion. Replacement cost: $150–$300.
Annual Water Heater Maintenance: Tankless Units in Scarborough
- Descaling flush: Critically important in Scarborough due to hard water. Scale inside the heat exchanger reduces efficiency by up to 30% annually without descaling.
- Filter cleaning: Inlet water filter and air intake screen should be cleaned annually.
How often should I service my water heater in Scarborough?
Water heaters in Scarborough should be serviced annually. Tank units: PRV test, sediment flush, anode rod check. Tankless units: descaling flush (critical in Scarborough due to hard water), filter cleaning. Call Madina Mechanical at (416) 424-4328 for water heater service.
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Water Heater Service in Scarborough: (416) 424-4328

