Laing Thermotech Autocirc Undersink Instant Hot Water Circulating System "installing hose bib" Questions

hose bib style like you would have on the outside of your home for your garden hose (remember lefty loosie, righty tighty) or you could have a gate valve of which if the handle is inline with the pipe

...you turn the water off and open the hose bib at the bottom of the heater you will need to open some hot faucets so that air can get into the system. you don't have to do anything with the therm ...

...hose bib was opened; I found no evidence of foreign matter when I removed the pump. I did notice that the bearing ball has a crack from the top-center to the bottom edge. I can't remember if that ...

...hose from bottom of tank to kitchen sink upstairs to drain. We removed sink faucet screen before doing this. Had wondered if water would make it upstairs from tank drain, but no problem, pressure was ...