Water recirculating pump problem

By June 19, 2016 Plumbing, Problem Solving
grundfus pump

Estimated reading time: 1 minute, 52 seconds

grundfus pump

Grundfus pump

Stump the Plumber

This is another installment in the stump the plumber series.

The situation

I went to look at a kitchen remodeling project and during my evaluation I asked an open question that I always like to explore. “Is there anything else that you would like to discuss, or anything not working?”

They responded that they had a plumber install a Grundfos comfort system (recirculating pump with a timer) that was supposed to have hot water at the sink, but it had never worked.

I figured that they do fail occasionally but I had never had one not work right out of the box.

Naturally I had a look and sure enough “The Plumber”, likely a family friend had but it on the COLD side and set the instructions on top of the gas water heater near the flu.

The only other way to make a mistake would have been to install it upside down.

I laughed when I thought of how hard the pump had been working all these years pumping water back out into the city water system.

The solution

Other than the instructions had nearly caught on fire, sitting atop the gas water heater, switching the unit to the proper HOT side made a world of difference.

We are men. Instructions are for sissies, right? I call them “distructions” (a combination of directions & instructions) Who knew they had important information in them?

I felt like I had pulled a thorn from the lions paw. Odds are we will be friends for life!

What is all this about recirculating pumps

Recirculating pumps are great, I use one at my home. They recirculate hot water through the system in a continuous loop when you set the timer properly decreasing the amount of wasted water waiting for the hot water to show up.

Here is a link to another post about them.


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