Hi all,
I've read through a couple threads here about HW recirculation. I have some questions about installing a system.
The house is all copper, though some is being replaced. There's 3/4" copper CW & HW in the crawl space along the length of the house ending at a 3 bathroom stack, all of which have 1/2" copper. The house has a main floor, a lower level, and a converted attic. The attic bathroom was abandoned but will be hooked up soon.
There's a 1/2" tee in the wall feeding HW to the sink and tub of the main, midlevel bathroom . The line runs down to the crawl space now and is capped.
The main/mid-level kitchen has 1/2" copper from the 3/4" lines. The plan is to tee off at the kitchen sink/dishwasher.
The 3/4" lines continues under the house about 10' to the HW heater and CW feed.
It's an old house and the lines are not laid out well. To say the least. The above is simplified but I hope it covers what's necessary.
I had planned on a loop from the bathrooms to the kitchen, but after reading through some threads I think a tee from the kitchen to the recirc pump is simpler? And hopefully easier.
I have a contractor doing some major sanitary work on the bathroom stack, and replacing/rerouting some of the copper. He hasn't done any recirculation work. I did the tee in the bathroom above, and redid some of the copper. But it's too much for me now.
What do I need? A recirc pump. A bridge? There's a pic ( Hot water recirculation? ) with a Grundfos pump and bridge posted by havasu. I'm not clear on how that works. I think there are also valves which will close when the return water gets hot? Should the CW feed to the HW heater have a check valve before the return feed from the pump? How is the pump turned on? Switches from the bathrooms and kitchen would be ideal. Are there pumps that work with wifi? At a reasonable price?
Thanks for any suggestions and ideas!
Riley
I've read through a couple threads here about HW recirculation. I have some questions about installing a system.
The house is all copper, though some is being replaced. There's 3/4" copper CW & HW in the crawl space along the length of the house ending at a 3 bathroom stack, all of which have 1/2" copper. The house has a main floor, a lower level, and a converted attic. The attic bathroom was abandoned but will be hooked up soon.
There's a 1/2" tee in the wall feeding HW to the sink and tub of the main, midlevel bathroom . The line runs down to the crawl space now and is capped.
The main/mid-level kitchen has 1/2" copper from the 3/4" lines. The plan is to tee off at the kitchen sink/dishwasher.
The 3/4" lines continues under the house about 10' to the HW heater and CW feed.
It's an old house and the lines are not laid out well. To say the least. The above is simplified but I hope it covers what's necessary.
I had planned on a loop from the bathrooms to the kitchen, but after reading through some threads I think a tee from the kitchen to the recirc pump is simpler? And hopefully easier.
I have a contractor doing some major sanitary work on the bathroom stack, and replacing/rerouting some of the copper. He hasn't done any recirculation work. I did the tee in the bathroom above, and redid some of the copper. But it's too much for me now.
What do I need? A recirc pump. A bridge? There's a pic ( Hot water recirculation? ) with a Grundfos pump and bridge posted by havasu. I'm not clear on how that works. I think there are also valves which will close when the return water gets hot? Should the CW feed to the HW heater have a check valve before the return feed from the pump? How is the pump turned on? Switches from the bathrooms and kitchen would be ideal. Are there pumps that work with wifi? At a reasonable price?
Thanks for any suggestions and ideas!
Riley
