Hot Water Heater Recirculating Pump Making Noise

This article describes how to diagnose fix noisy circulator pumps on hot water or hydronic heating systems.

Hot water heater recirculating pump making noise.

Another indication the heater needs maintenance is a rumbling sound produced by sediments being stirred by the water flow inside the tank. 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. It has a timer that turns on the pump at regular intervals mostly during peak usage times. It is designed to provide hot water on demand.

Zone circulator pump repair procedures for noises. Here are four problems with these pump systems that you should be aware of. Once again there are a few different things it could be. A recirculation system is a hot water line that runs throughout the house and returns back to the water heater.

Almost all recirculating pumps these days will have a timer on it so it only starts the recirculating at the hours when you re likely to need the instant hot water. Insert a gasket into the female fitting on the recirculating pump and screw it onto the threads of the water heater discharge outlet. Air in the line. If you hear noise coming from your hot water recirculation pump that isn t a good sign.

In this way the hot water plumbing pipes remain filled with hot water and you do not have to wait to use hot water. A hot water recirculating pump works by keeping the hot water in your pipes readily available. Use teflon tape and tighten with a wrench. Low flow rate sometimes hot water recirculation pumps have small motors which are unable to produce sufficient head pressure.

With an adjustable wrench disconnect the hot water discharge line coming out of your water heater. What makes this a not so attractive option for people is that it requires some additional plumbing to bring that loop together. The noise coming from your recirculation pump could also mean that the bearings are wearing out in which case you will need to replace the pump before it completely fails. The air will need to be bled out of the system.

With this option an additional pipe that is designated for hot water is installed in your home s plumbing. Use a deliming mixture to clean the tank and drain the water heater. It returns the hot water back to your heater when you close the hot water faucet. Zone circulator noise repair.

Kung fu maintenance shows screaming noisy hot water recirculating pump motor first try this before throwing money away get the new album up beat on itunes. We distinguish among buzzing relays that control the circulator vibrating electric motors shrieking circulator bearings and circulator pump noises.