How To Install A Hot Water Recirculating Pump

If you live in a house on a slab or where a majority of the hot water lines drop below the water heater you need to use a recirculating water pump.

How to install a hot water recirculating pump. With an adjustable wrench disconnect the hot water discharge line coming out of your water heater. Take the discharge line that had originally been connected to your water heater and screw onto the discharge outlet of. If you purchase a grundfos recirculating pump like the one just below you don t need to add any extra piping. Now go to the sink that is farthest away from the water heater to install the check valve.

Confirm that the flow arrow on the pump housing is. Drill a inch diameter hole through the vanity side and install the on off pump button. Plug the recirculation pump s power cord into the electrical outlet inside the vanity cabinet. Reconnect the hot water line to the top of the recirculating pump and tighten with channel type pliers.

You can loop the flexible line if necessary but make sure there are no kinks that might restrict the water flow. Turn the water back on at the water main in the basement.