Water Heater Recirculation Pump Making Noise

Such a blower would run whenever the water heater s burner is running which would occur from time to time anyway but especially after you ve used hot water.

Water heater recirculation pump making noise.

Zone circulator noise repair. The noise is not dangerous to your water heater but could lead to eventual wall damage if it is not corrected. This can be caused by a dishwasher or toilet bowl or by a water pump without a holding tank. Install a water hammer arrestor between the offending device and the water heater.

Some water heaters have an exhaust blower and they can be a bit noisy. The pump has an internal check valve and there is a separate check valve on the cold water supply line to the water heater. Many of these pumps can t even turn on a tankless heater. Air in the line.

I have run 1000 experiments to try to figure out the problem. The noise still starts every time the pump cycles on. We distinguish among buzzing relays that control the circulator vibrating electric motors shrieking circulator bearings and circulator pump noises. This made no sense since i didn t think i changed anything th.

Hot water recirculation pumps sometimes have a very small motor which means that they can t produce much head pressure. Zone circulator pump repair procedures for noises. If there has been a power outage or air has gotten into the line for some reason the pump can make a lot of noise. This article describes how to diagnose fix noisy circulator pumps on hot water or hydronic heating systems.

The air will need to be bled out of the system. This can negatively impact the flow rate. Once again there are a few different things it could be. I had a noisy hot water circulation pump after replacing a few other heating system components.