Why Does My Water Heater Make Noise?
A normal, optimally functioning home water heater typically produces a sound level ranging from 40 to 60 decibels (dB). This is similar to a refrigerator’s hum or a quiet conversation. If yours is louder, you might have a problem. Here are the common water heater noises and what they mean. Normal Operational Noises Before covering troublesome noises, it’s important to understand that not all water heater sounds indicate a problem. Some sounds are perfectly normal. They include: 1. Humming Water heaters sometimes make a humming noise during a refill cycle after hot water has been used.
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