Check out the amazing comments on this video. You will get an education from many opinions and many optional systems.
Update: After two years of using the pump, I am having an issue. After about the first 6 months the valve started making a clicking sound after the hot water was turned on anywhere in the house. The clicking started bothering me, I ordered a new valve for $75. Now the new valve is clicking???

In this video, I will show some simple demonstrations of what these pumps can do for you.
Introduction: 0:00
Demonstration of waste: 0:53
Pump Explained 5:39
Suggested Pumps 7:25
Add Voice Control 8:25
Installation 10:30
Success Test 13:01

Suggested recirculating pumps based only on my experience and reviews. (I have no connection with either of these companies. Shop around the prices will fluctuate in a short time.
Grundfos
https://www.amazon.com/Grundfos-GRU-5...

Watts Premier
https://www.amazon.com/Watts-500800-I...